diff --git a/api/v1/serializers/course.py b/api/v1/serializers/course.py
index 4382aae4..551830ad 100644
--- a/api/v1/serializers/course.py
+++ b/api/v1/serializers/course.py
@@ -10,7 +10,7 @@ from apps.course.models import (
     Comment, CourseComment, LessonComment,
     Material, Lesson,
     Like,
-)
+    LiveLessonComment)
 from .content import (
     ImageObjectSerializer, ContentSerializer, ContentCreateSerializer,
     GallerySerializer, GalleryImageSerializer,
@@ -137,6 +137,7 @@ class CourseCreateSerializer(DispatchContentMixin,
             'from_author',
             'cover',
             'price',
+            'age',
             'is_infinite',
             'deferred_start_at',
             'category',
@@ -288,6 +289,7 @@ class CourseSerializer(serializers.ModelSerializer):
             'from_author',
             'cover',
             'price',
+            'age',
             'is_infinite',
             'deferred_start_at',
             'category',
@@ -327,6 +329,7 @@ class CommentSerializer(serializers.ModelSerializer):
             'parent',
             'deactivated_at',
             'created_at',
+            'created_at_humanize',
             'update_at',
         )
 
@@ -342,6 +345,8 @@ class CommentSerializer(serializers.ModelSerializer):
             return CourseCommentSerializer(instance, context=self.context).to_representation(instance)
         elif isinstance(instance, LessonComment):
             return LessonCommentSerializer(instance, context=self.context).to_representation(instance)
+        elif isinstance(instance, LiveLessonComment):
+            return LiveLessonCommentSerializer(instance, context=self.context).to_representation(instance)
 
 
 class CourseCommentSerializer(serializers.ModelSerializer):
@@ -374,3 +379,67 @@ class LessonCommentSerializer(serializers.ModelSerializer):
         read_only_fields = CommentSerializer.Meta.read_only_fields + (
             'children',
         )
+
+
+class LiveLessonCommentSerializer(serializers.ModelSerializer):
+    author = UserSerializer()
+    children = CommentSerializer(many=True)
+
+    class Meta:
+        model = LiveLessonComment
+        fields = CommentSerializer.Meta.fields + (
+            'live_lesson',
+            'children',
+        )
+
+        read_only_fields = CommentSerializer.Meta.read_only_fields + (
+            'children',
+        )
+
+
+
+class CommentCreateSerializer(serializers.ModelSerializer):
+    obj_type = serializers.CharField(required=True)
+    obj_id = serializers.IntegerField(required=True)
+
+    class Meta:
+        model = Comment
+        fields = (
+            'id',
+            'content',
+            'author',
+            'parent',
+            'deactivated_at',
+            'created_at',
+            'update_at',
+            'obj_type',
+            'obj_id',
+        )
+
+        read_only_fields = (
+            'id',
+            'deactivated_at',
+            'created_at',
+            'update_at',
+        )
+
+    def create(self, validated_data):
+        obj_type = validated_data.pop('obj_type', None)
+        obj_id = validated_data.pop('obj_id', None)
+        if obj_type == Comment.OBJ_TYPE_COURSE:
+            validated_data['course_id'] = obj_id
+            return CourseCommentSerializer().create(validated_data)
+        elif obj_type == Comment.OBJ_TYPE_LESSON:
+            validated_data['lesson_id'] = obj_id
+            return LessonCommentSerializer().create(validated_data)
+        elif obj_type == Comment.OBJ_TYPE_LIVE_LESSON:
+            validated_data['live_lesson_id'] = obj_id
+            return LiveLessonCommentSerializer().create(validated_data)
+
+    def to_representation(self, instance):
+        if isinstance(instance, CourseComment):
+            return CourseCommentSerializer(instance, context=self.context).to_representation(instance)
+        elif isinstance(instance, LessonComment):
+            return LessonCommentSerializer(instance, context=self.context).to_representation(instance)
+        elif isinstance(instance, LiveLessonComment):
+            return LiveLessonCommentSerializer(instance, context=self.context).to_representation(instance)
diff --git a/api/v1/serializers/mixins.py b/api/v1/serializers/mixins.py
index 40584503..50e7d19d 100644
--- a/api/v1/serializers/mixins.py
+++ b/api/v1/serializers/mixins.py
@@ -32,35 +32,23 @@ class DispatchContentMixin(object):
                 if 'id' in cdata and cdata['id']:
                     t = Text.objects.get(id=cdata.pop('id'))
                     serializer = TextCreateSerializer(t, data=cdata)
-                    if serializer.is_valid():
-                        serializer.save()
                 else:
                     serializer = TextCreateSerializer(data=cdata)
-                    if serializer.is_valid():
-                        serializer.save()
+                if serializer.is_valid():
+                    serializer.save()
             elif ctype == 'image':
                 if 'id' in cdata and cdata['id']:
                     image = Image.objects.get(id=cdata.pop('id'))
                     serializer = ImageCreateSerializer(image, data=cdata)
-                    if serializer.is_valid():
-                        image = serializer.save()
-                    else:
-                        continue
-                    try:
-                        image_object = ImageObject.objects.get(id=cdata['img'])
-                    except ImageObject.DoesNotExist:
-                        pass
-                    else:
-                        image.img = image_object
-                        image.save()
                 else:
                     serializer = ImageCreateSerializer(data=cdata)
-                    if serializer.is_valid():
-                        image = serializer.save()
-                    else:
-                        continue
+                if serializer.is_valid():
+                    image = serializer.save()
+                else:
+                    continue
+                if 'img' in cdata:
                     try:
-                        image_object = ImageObject.objects.get(id=cdata['img'])
+                        image_object = ImageObject.objects.get(id=cdata.get('img'))
                     except ImageObject.DoesNotExist:
                         pass
                     else:
@@ -71,25 +59,15 @@ class DispatchContentMixin(object):
                 if 'id' in cdata and cdata['id']:
                     it = ImageText.objects.get(id=cdata.pop('id'))
                     serializer = ImageTextCreateSerializer(it, data=cdata)
-                    if serializer.is_valid():
-                        it = serializer.save()
-                    else:
-                        continue
-                    try:
-                        image_object = ImageObject.objects.get(id=cdata['img'])
-                    except ImageObject.DoesNotExist:
-                        pass
-                    else:
-                        it.img = image_object
-                        it.save()
                 else:
                     serializer = ImageTextCreateSerializer(data=cdata)
-                    if serializer.is_valid():
-                        it = serializer.save()
-                    else:
-                        continue
+                if serializer.is_valid():
+                    it = serializer.save()
+                else:
+                    continue
+                if 'img' in cdata:
                     try:
-                        image_object = ImageObject.objects.get(id=cdata['img'])
+                        image_object = ImageObject.objects.get(id=cdata.get('img'))
                     except ImageObject.DoesNotExist:
                         pass
                     else:
@@ -100,52 +78,36 @@ class DispatchContentMixin(object):
                 if 'id' in cdata and cdata['id']:
                     v = Video.objects.get(id=cdata.pop('id'))
                     serializer = VideoCreateSerializer(v, data=cdata)
-                    if serializer.is_valid():
-                        serializer.save()
                 else:
                     serializer = VideoCreateSerializer(data=cdata)
-                    if serializer.is_valid():
-                        serializer.save()
+                if serializer.is_valid():
+                    serializer.save()
             elif ctype == 'images':
                 if 'id' in cdata and cdata['id']:
                     g = Gallery.objects.get(id=cdata['id'])
                     g.position = cdata['position']
                     g.title = cdata['title']
                     g.uuid = cdata['uuid']
-                    setattr(g, obj_type, obj)
-                    g.save()
-                    if 'images' in cdata:
-                        for image in cdata['images']:
-                            if 'img' in image and image['img']:
-                                if 'id' in image and image['id']:
-                                    gi = GalleryImage.objects.get(id=image['id'])
-                                    gi.img = ImageObject.objects.get(id=image['img'])
-                                    gi.save()
-                                else:
-                                    gi = GalleryImage.objects.create(
-                                        gallery=g,
-                                        img=ImageObject.objects.get(id=image['img'])
-                                    )
                 else:
                     g = Gallery(
                         position=cdata['position'],
                         title=cdata['title'],
                         uuid=cdata['uuid'],
                     )
-                    setattr(g, obj_type, obj)
-                    g.save()
-                    if 'images' in cdata:
-                        for image in cdata['images']:
-                            if 'img' in image and image['img']:
-                                if 'id' in image and image['id']:
-                                    gi = GalleryImage.objects.get(id=image['id'])
-                                    gi.img = ImageObject.objects.get(id=image['img'])
-                                    gi.save()
-                                else:
-                                    gi = GalleryImage.objects.create(
-                                        gallery=g,
-                                        img=ImageObject.objects.get(id=image['img'])
-                                    )
+                setattr(g, obj_type, obj)
+                g.save()
+                if 'images' in cdata:
+                    for image in cdata['images']:
+                        if 'img' in image and image['img']:
+                            if 'id' in image and image['id']:
+                                gi = GalleryImage.objects.get(id=image['id'])
+                                gi.img = ImageObject.objects.get(id=image['img'])
+                                gi.save()
+                            else:
+                                gi = GalleryImage.objects.create(
+                                    gallery=g,
+                                    img=ImageObject.objects.get(id=image['img'])
+                                )
 
 
 class DispatchMaterialMixin(object):
diff --git a/api/v1/serializers/payment.py b/api/v1/serializers/payment.py
index 0d4aec8b..b388be21 100644
--- a/api/v1/serializers/payment.py
+++ b/api/v1/serializers/payment.py
@@ -68,7 +68,6 @@ class PaymentSerializer(serializers.ModelSerializer):
 
 class AuthorBalanceSerializer(serializers.ModelSerializer):
     author = UserSerializer()
-    # payment = PaymentSerializer()
     payment = serializers.SerializerMethodField()
 
     class Meta:
@@ -111,6 +110,41 @@ class AuthorBalanceSerializer(serializers.ModelSerializer):
         return data
 
 
+class PaymentSerializer(serializers.ModelSerializer):
+    user = UserSerializer()
+
+    class Meta:
+        model = Payment
+        fields = BASE_PAYMENT_FIELDS
+        read_only_fields = (
+            'id',
+            'user',
+            'data',
+            'created_at',
+            'update_at',
+        )
+
+    def to_representation(self, instance):
+        if isinstance(instance, CoursePayment):
+            return CoursePaymentSerializer(instance, context=self.context).to_representation(instance)
+        elif isinstance(instance, SchoolPayment):
+            return SchoolPaymentSerializer(instance, context=self.context).to_representation(instance)
+
+
+class CoursePaymentCreateSerializer(serializers.ModelSerializer):
+
+    class Meta:
+        model = CoursePayment
+        fields = BASE_PAYMENT_FIELDS + ('course',)
+        read_only_fields = (
+            'id',
+            'user',
+            'course',
+            'created_at',
+            'update_at',
+        )
+
+
 class CoursePaymentSerializer(serializers.ModelSerializer):
     user = UserSerializer()
     course = CourseSerializer()
@@ -127,6 +161,24 @@ class CoursePaymentSerializer(serializers.ModelSerializer):
         )
 
 
+class SchoolPaymentCreateSerializer(serializers.ModelSerializer):
+
+    class Meta:
+        model = SchoolPayment
+        fields = BASE_PAYMENT_FIELDS + (
+            'weekdays',
+            'date_start',
+            'date_end',
+        )
+        read_only_fields = (
+            'id',
+            'user',
+            'course',
+            'created_at',
+            'update_at',
+        )
+
+
 class SchoolPaymentSerializer(serializers.ModelSerializer):
     user = UserSerializer()
 
diff --git a/api/v1/urls.py b/api/v1/urls.py
index 51610cb6..0eafbe10 100644
--- a/api/v1/urls.py
+++ b/api/v1/urls.py
@@ -17,7 +17,7 @@ from .views import (
     GalleryViewSet, GalleryImageViewSet,
     UserViewSet, LessonViewSet, ImageObjectViewSet,
     SchoolScheduleViewSet, LiveLessonViewSet,
-    PaymentViewSet,
+    PaymentViewSet, ObjectCommentsViewSet,
     ContestViewSet, ContestWorkViewSet)
 
 router = DefaultRouter()
@@ -27,6 +27,7 @@ router.register(r'baners', BanerViewSet, base_name='baners')
 router.register(r'categories', CategoryViewSet, base_name='categories')
 router.register(r'courses', CourseViewSet, base_name='courses')
 router.register(r'comments', CommentViewSet, base_name='comments')
+router.register(r'obj-comments', ObjectCommentsViewSet, base_name='obj-comments')
 router.register(r'materials', MaterialViewSet, base_name='materials')
 router.register(r'lessons', LessonViewSet, base_name='lessons')
 router.register(r'likes', LikeViewSet, base_name='likes')
diff --git a/api/v1/views.py b/api/v1/views.py
index d5dae90d..a01f9d6d 100644
--- a/api/v1/views.py
+++ b/api/v1/views.py
@@ -1,7 +1,9 @@
+from datetime import datetime
+
 from django.contrib.auth import get_user_model
 
 from rest_framework import status, views, viewsets, generics
-from rest_framework.decorators import detail_route, list_route, action
+from rest_framework.decorators import detail_route, list_route, action, permission_classes, authentication_classes
 from rest_framework.response import Response
 
 from . import ExtendedModelViewSet
@@ -11,10 +13,11 @@ from .serializers.course import (
     CategorySerializer, LikeSerializer,
     CourseSerializer, CourseCreateSerializer,
     CourseBulkChangeCategorySerializer,
-    CommentSerializer,
+    CommentSerializer, CommentCreateSerializer,
     MaterialSerializer, MaterialCreateSerializer,
     LessonSerializer, LessonCreateSerializer,
-    LikeCreateSerializer)
+    LikeCreateSerializer, CourseCommentSerializer, LessonCommentSerializer,
+    LiveLessonCommentSerializer)
 from .serializers.content import (
     BanerSerializer,
     ImageSerializer, ImageCreateSerializer,
@@ -34,7 +37,7 @@ from .serializers.payment import (
     AuthorBalanceSerializer, AuthorBalanceCreateSerializer,
     PaymentSerializer, CoursePaymentSerializer,
     SchoolPaymentSerializer,
-)
+    CoursePaymentCreateSerializer, SchoolPaymentCreateSerializer)
 from .serializers.user import (
     AuthorRequestSerializer,
     UserSerializer, UserPhotoSerializer,
@@ -54,7 +57,7 @@ from apps.course.models import (
     Comment, CourseComment, LessonComment,
     Material, Lesson,
     Like,
-)
+    LiveLessonComment)
 from apps.config.models import Config
 from apps.content.models import (
     Baner, Image, Text, ImageText, Video,
@@ -66,6 +69,7 @@ from apps.payment.models import (
 )
 from apps.school.models import SchoolSchedule, LiveLesson
 from apps.user.models import AuthorRequest
+from project.pusher import pusher
 
 User = get_user_model()
 
@@ -429,15 +433,15 @@ class ConfigViewSet(generics.RetrieveUpdateAPIView):
 
 
 class CommentViewSet(ExtendedModelViewSet):
-    queryset = Comment.objects.filter(level=0)
+    queryset = Comment.objects.all()
     serializer_class = CommentSerializer
-    permission_classes = (IsAdmin,)
+    permission_classes = (IsAuthorObjectOrAdmin,)
 
     def get_queryset(self):
         queryset = self.queryset
         is_deactivated = self.request.query_params.get('is_deactivated', '0')
         if is_deactivated == '0':
-            queryset = queryset
+            queryset = queryset.filter(level=0)
         elif is_deactivated == '1':
             queryset = queryset.filter(deactivated_at__isnull=True)
         elif is_deactivated == '2':
@@ -446,6 +450,79 @@ class CommentViewSet(ExtendedModelViewSet):
         return queryset
 
 
+class ObjectCommentsViewSet(ExtendedModelViewSet):
+    queryset = Comment.objects.all()
+    serializer_class = CommentCreateSerializer
+    ordering_fields = ('update_at', )
+
+    def get_queryset(self):
+        queryset = self.queryset
+        obj_type = self.request.query_params.get('obj_type')
+        obj_id = self.request.query_params.get('obj_id')
+        is_deactivated = self.request.query_params.get('is_deactivated')
+        if obj_type == Comment.OBJ_TYPE_COURSE:
+            queryset = CourseComment.objects.filter(course=obj_id)
+        elif obj_type == Comment.OBJ_TYPE_LESSON:
+            queryset = LessonComment.objects.filter(lesson=obj_id)
+        elif obj_type == Comment.OBJ_TYPE_LIVE_LESSON:
+            queryset = LiveLessonComment.objects.filter(live_lesson=obj_id)
+        if is_deactivated == '0':
+            queryset = queryset.filter(level=0)
+        elif is_deactivated == '1':
+            queryset = queryset.filter(deactivated_at__isnull=True)
+        elif is_deactivated == '2':
+            queryset = queryset.filter(deactivated_at__isnull=False)
+        return queryset
+
+    def get_serializer_class(self):
+        if self.request.method == 'POST':
+            return CommentCreateSerializer
+        obj_type = self.request.query_params.get('obj_type')
+        serializer_class = CommentSerializer
+        if obj_type == Comment.OBJ_TYPE_COURSE:
+            serializer_class = CourseCommentSerializer
+        elif obj_type == Comment.OBJ_TYPE_LESSON:
+            serializer_class = LessonCommentSerializer
+        elif obj_type == Comment.OBJ_TYPE_LIVE_LESSON:
+            serializer_class = LiveLessonCommentSerializer
+        return serializer_class
+
+    def perform_create(self, serializer):
+        obj_type = self.request.data.get('obj_type')
+        obj_id = self.request.data.get('obj_id')
+        serializer.save()
+        try:
+            pusher().trigger(f'comments_{obj_type}_{obj_id}', 'add', serializer.data)
+        except Exception as e:
+            print(e)
+
+    @permission_classes((IsAuthorObjectOrAdmin,))
+    def perform_destroy(self, instance):
+        obj_type = None
+        obj_id = None
+        if isinstance(instance, LessonComment):
+            obj_type = Comment.OBJ_TYPE_LESSON
+            obj_id = instance.lesson_id
+        elif isinstance(instance, CourseComment):
+            obj_type = Comment.OBJ_TYPE_COURSE
+            obj_id = instance.course_id
+        elif isinstance(instance, LiveLessonComment):
+            obj_type = Comment.OBJ_TYPE_LIVE_LESSON
+            obj_id = instance.live_lesson_id
+        serializer = self.get_serializer(instance)
+        try:
+            pusher().trigger(f'comments_{obj_type}_{obj_id}', 'delete', serializer.data)
+        except Exception as e:
+            print(e)
+        instance.delete()
+
+    @authentication_classes([])
+    def list(self, request, *args, **kwargs):
+        queryset = self.filter_queryset(self.get_queryset()).filter(parent__isnull=True)
+        serializer = self.get_serializer(queryset, many=True)
+        return Response(serializer.data)
+
+
 class AuthorRequestViewSet(ExtendedModelViewSet):
     queryset = AuthorRequest.objects.all()
     serializer_class = AuthorRequestSerializer
@@ -453,7 +530,7 @@ class AuthorRequestViewSet(ExtendedModelViewSet):
     filter_fields = ('status',)
 
 
-class PaymentViewSet(ExtendedModelViewSet):
+class PaymentViewSet(viewsets.ModelViewSet):
     queryset = Payment.objects.all()
     serializer_class = PaymentSerializer
     permission_classes = (IsAdmin,)
@@ -465,6 +542,16 @@ class PaymentViewSet(ExtendedModelViewSet):
     )
     search_fields = ('user__email', 'user__first_name', 'user__last_name',)
 
+    def get_serializer(self, instance, *args, **kwargs):
+        serializer_class = self.get_serializer_class()
+        if 'update' in self.action:
+            if isinstance(instance, CoursePayment):
+                serializer_class = CoursePaymentCreateSerializer
+            elif isinstance(instance, SchoolPayment):
+                serializer_class = SchoolPaymentCreateSerializer
+        kwargs['context'] = self.get_serializer_context()
+        return serializer_class(instance, *args, **kwargs)
+
     def get_queryset(self):
         queryset = self.queryset
         course = self.request.query_params.get('course')
@@ -481,10 +568,12 @@ class PaymentViewSet(ExtendedModelViewSet):
         user = request.query_params.get('user')
         course = request.query_params.get('course')
         weekdays = request.query_params.getlist('weekdays[]')
+        date_start = request.query_params.get('date_start')
         user = user and User.objects.get(pk=user)
         course = course and Course.objects.get(pk=course)
+        date_start = date_start and datetime.strptime(date_start, '%Y-%m-%d')
 
-        return Response(Payment.calc_amount(user=user, course=course, weekdays=weekdays))
+        return Response(Payment.calc_amount(user=user, course=course, date_start=date_start, weekdays=weekdays))
 
 
 class ContestViewSet(ExtendedModelViewSet):
diff --git a/apps/content/templates/content/blocks/video.html b/apps/content/templates/content/blocks/video.html
index 791920b1..8c707388 100644
--- a/apps/content/templates/content/blocks/video.html
+++ b/apps/content/templates/content/blocks/video.html
@@ -15,29 +15,3 @@
     </div>
   </div>
 </div>
-
-<style>
-  @media only screen and (max-width: 639px) {
-    iframe {
-      width: 100%;
-      height: 240px;
-    }
-
-    .iframe__container {
-      text-align: center;
-      width: 100%;
-      padding-bottom: 56.25%;
-      margin-bottom: -56.25%;
-    }
-  }
-
-  @media only screen and (min-width: 640px) {
-    .iframe__container {
-      text-align: center;
-    }
-    iframe {
-      width: 640px;
-      height: 360px;
-    }
-  }
-</style>
diff --git a/apps/course/filters.py b/apps/course/filters.py
index 6e4e873e..cfecd0a0 100644
--- a/apps/course/filters.py
+++ b/apps/course/filters.py
@@ -5,7 +5,8 @@ from .models import Course
 
 class CourseFilter(django_filters.FilterSet):
     category = django_filters.CharFilter(field_name='category')
+    age = django_filters.ChoiceFilter(field_name='age', choices=Course.AGE_CHOICES)
 
     class Meta:
         model = Course
-        fields = ['category']
+        fields = ['category', 'age']
diff --git a/apps/course/migrations/0044_course_age.py b/apps/course/migrations/0044_course_age.py
new file mode 100644
index 00000000..a45fd5eb
--- /dev/null
+++ b/apps/course/migrations/0044_course_age.py
@@ -0,0 +1,18 @@
+# Generated by Django 2.0.6 on 2018-09-07 00:20
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('course', '0043_auto_20180824_2132'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='course',
+            name='age',
+            field=models.SmallIntegerField(choices=[(0, 'Любой возраст'), (1, 'до 5'), (2, '5-7'), (3, '7-9'), (4, '9-12'), (5, '12-15'), (6, '15-18'), (7, 'от 18')], default=0),
+        ),
+    ]
diff --git a/apps/course/migrations/0044_livelessoncomment.py b/apps/course/migrations/0044_livelessoncomment.py
new file mode 100644
index 00000000..be5102af
--- /dev/null
+++ b/apps/course/migrations/0044_livelessoncomment.py
@@ -0,0 +1,30 @@
+# Generated by Django 2.0.6 on 2018-09-19 15:41
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('school', '0021_schoolschedule_trial_lesson'),
+        ('course', '0043_auto_20180824_2132'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='LiveLessonComment',
+            fields=[
+                ('comment_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='course.Comment')),
+                ('live_lesson', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='comments', to='school.LiveLesson')),
+            ],
+            options={
+                'verbose_name': 'Комментарий урока школы',
+                'verbose_name_plural': 'Комментарии уроков школы',
+                'ordering': ('tree_id', 'lft'),
+                'abstract': False,
+                'base_manager_name': 'objects',
+            },
+            bases=('course.comment',),
+        ),
+    ]
diff --git a/apps/course/models.py b/apps/course/models.py
index 843e768e..c7927600 100644
--- a/apps/course/models.py
+++ b/apps/course/models.py
@@ -10,6 +10,7 @@ from django.urls import reverse_lazy
 from django.conf import settings
 from polymorphic_tree.models import PolymorphicMPTTModel, PolymorphicTreeForeignKey
 
+from apps.school.models import LiveLesson
 from project.mixins import BaseModel, DeactivatedMixin
 
 from apps.content.models import ImageObject, Gallery, Video, ContestWork
@@ -49,6 +50,23 @@ class Course(BaseModel, DeactivatedMixin):
         (ARCHIVED, 'Archived'),
         (DENIED, 'Denied')
     )
+    AGE_LT5 = 1
+    AGE_57 = 2
+    AGE_79 = 3
+    AGE_912 = 4
+    AGE_1215 = 5
+    AGE_1518 = 6
+    AGE_GT18 = 7
+    AGE_CHOICES = (
+        (0, 'Любой возраст'),
+        (AGE_LT5, 'до 5'),
+        (AGE_57, '5-7'),
+        (AGE_79, '7-9'),
+        (AGE_912, '9-12'),
+        (AGE_1215, '12-15'),
+        (AGE_1518, '15-18'),
+        (AGE_GT18, 'от 18'),
+    )
     slug = models.SlugField(
         allow_unicode=True, null=True, blank=True,
         max_length=100, unique=True, db_index=True,
@@ -72,6 +90,7 @@ class Course(BaseModel, DeactivatedMixin):
         'Цена курса', help_text='Если цена не выставлена, то курс бесплатный',
         max_digits=10, decimal_places=2, null=True, blank=True
     )
+    age = models.SmallIntegerField(choices=AGE_CHOICES, default=0)
     is_infinite = models.BooleanField(default=False)
     deferred_start_at = models.DateTimeField(
         'Отложенный запуск курса', help_text='Заполнить если курс отложенный',
@@ -240,6 +259,9 @@ class Material(models.Model):
 
 
 class Comment(PolymorphicMPTTModel, DeactivatedMixin):
+    OBJ_TYPE_COURSE = 'course'
+    OBJ_TYPE_LESSON = 'lesson'
+    OBJ_TYPE_LIVE_LESSON = 'live-lesson'
     content = models.TextField('Текст комментария', default='')
     author = models.ForeignKey(User, on_delete=models.CASCADE)
     parent = PolymorphicTreeForeignKey(
@@ -284,5 +306,15 @@ class LessonComment(Comment):
         verbose_name_plural = 'Комментарии уроков'
 
 
+class LiveLessonComment(Comment):
+    live_lesson = models.ForeignKey(
+        LiveLesson, on_delete=models.CASCADE, related_name='comments'
+    )
+
+    class Meta(Comment.Meta):
+        verbose_name = 'Комментарий урока школы'
+        verbose_name_plural = 'Комментарии уроков школы'
+
+
 class ContestWorkComment(Comment):
     contest_work = models.ForeignKey(ContestWork, on_delete=models.CASCADE, related_name='comments')
diff --git a/apps/course/templates/course/_items.html b/apps/course/templates/course/_items.html
index b4356f2b..f27bd326 100644
--- a/apps/course/templates/course/_items.html
+++ b/apps/course/templates/course/_items.html
@@ -54,7 +54,7 @@
     {% endif %}
   </div>
   <a class="courses__title" href="{% url 'course' course.id %}?next={{ request.get_full_path }}">{{ course.title }}</a>
-  <div class="courses__content">{{ course.short_description }}
+  <div class="courses__content">{{ course.short_description | safe | linebreaks | truncatechars_html:300 }}
   </div>
   <div class="courses__user user">
     <a href="{% if course.author %}{% url 'user' course.author.id %}{% endif %}">
diff --git a/apps/course/templates/course/course.html b/apps/course/templates/course/course.html
index c3a35c4f..2502b9a0 100644
--- a/apps/course/templates/course/course.html
+++ b/apps/course/templates/course/course.html
@@ -4,14 +4,14 @@
 {% load rupluralize from plural %}
 {% block title %}{{ course.title }} - {{ block.super }}{% endblock title %}
 {% comment %} seo tags {% endcomment %}
-{% block description %}{{ course.short_description }}{% endblock description%}
+{% block description %}{{ course.short_description | striptags }}{% endblock description%}
 {% block twurl %}{{ request.build_absolute_uri }}{% endblock twurl %}
 {% block ogtitle %}{{ course.title }} - {{ block.super }}{% endblock ogtitle %}
 {% block ogurl %}{{ request.build_absolute_uri }}{% endblock ogurl %}
 {% if course.cover and course.cover.image %}
 {% block ogimage %}http://{{request.META.HTTP_HOST}}{% if course.cover %}{{ course.cover.image.url }}{% else %}{% static 'img/og_courses.jpg' %}{% endif %}{% endblock ogimage %}
 {% endif %}
-{% block ogdescription %}{{ course.short_description }}{% endblock ogdescription %}
+{% block ogdescription %}{{ course.short_description | striptags }}{% endblock ogdescription %}
 
 {% block content %}
 <div class="section section_border course">
@@ -25,6 +25,9 @@
         </div>
         <div class="go__title">Вернуться</div>
       </a>
+      {% if has_full_access %}
+      <a class="go__btn btn" href="{% url 'course_edit' course.id %}">Редактировать</a>
+      {% endif %}
       {% if course.author != request.user and not paid and course.price %}
       <a
         class="go__btn btn{% if pending %} btn_gray{% endif %} btn_md"
@@ -70,7 +73,7 @@
         </a>
       </div>
       <div class="course__title title">{{ course.title }}</div>
-      <div class="course__content">{{ course.short_description | linebreaks }}</div>
+      <div class="course__content">{{ course.short_description | safe | linebreaks }}</div>
       <a href="{% url 'user' course.author.id %}">
         <div class="course__user user">
           {% if course.author.photo %}
@@ -270,7 +273,7 @@
       </a>
     </div>
     <div class="course__title title">{{ course.title }}</div>
-    <div class="course__content">{{ course.short_description | linebreaks }}</div>
+    <div class="course__content">{{ course.short_description | safe | linebreaks }}</div>
     <a href="{% url 'user' course.author.id %}">
       <div class="course__user user user_white">
         {% if course.author.photo %}
@@ -340,38 +343,7 @@
   <div class="section__center center center_sm">
 
     <div class="title">Задавайте вопросы:</div>
-    <div class="questions">
-      {% if request.user.is_authenticated %}
-      <form class="questions__form" method="post" action="{% url 'coursecomment' course_id=course.id %}">
-        <input type="hidden" name="reply_id">
-        <div class="questions__ava ava">
-            <img
-            class="ava__pic"
-          {% if request.user.photo %}
-            src="{{ request.user.photo.url }}"
-            {% else %}
-            src="{% static 'img/user_default.jpg' %}"
-          {% endif %}
-          >
-        </div>
-        <div class="questions__wrap">
-          <div class="questions__reply-info">В ответ на
-            <a href="" class="questions__reply-anchor">этот комментарий</a>.
-            <a href="#" class="questions__reply-cancel grey-link">Отменить</a>
-          </div>
-          <div class="questions__field">
-            <textarea class="questions__textarea" placeholder="Спросите автора курса интересующие вас вопросы"></textarea>
-          </div>
-          <button class="questions__btn btn btn_light">ОТПРАВИТЬ</button>
-        </div>
-      </form>
-      {% else %}
-      <div>Только зарегистрированные пользователи могут оставлять комментарии.</div>
-      {% endif %}
-      <div class="questions__list">
-        {% include "templates/blocks/comments.html" with object=course %}
-      </div>
-    </div>
+    <comments obj-type="course" obj-id="{{ course.id }}"></comments>
   </div>
 </div>
 <div class="section">
diff --git a/apps/course/templates/course/course_only_lessons.html b/apps/course/templates/course/course_only_lessons.html
index 9efe873c..0e6e601d 100644
--- a/apps/course/templates/course/course_only_lessons.html
+++ b/apps/course/templates/course/course_only_lessons.html
@@ -4,14 +4,14 @@
 {% load rupluralize from plural %}
 {% block title %}{{ course.title }} - {{ block.super }}{% endblock title %}
 {% comment %} seo tags {% endcomment %}
-{% block description %}{{ course.short_description }}{% endblock description%}
+{% block description %}{{ course.short_description | striptags }}{% endblock description%}
 {% block twurl %}{{ request.build_absolute_uri }}{% endblock twurl %}
 {% block ogtitle %}{{ course.title }} - {{ block.super }}{% endblock ogtitle %}
 {% block ogurl %}{{ request.build_absolute_uri }}{% endblock ogurl %}
 {% if course.cover %}
 {% block ogimage %}http://{{request.META.HTTP_HOST}}{% if course.cover %}{{ course.cover.image.url }}{% else %}{% static 'img/og_courses.jpg' %}{% endif %}{% endblock ogimage %}
 {% endif %}
-{% block ogdescription %}{{ course.short_description }}{% endblock ogdescription %}
+{% block ogdescription %}{{ course.short_description | striptags }}{% endblock ogdescription %}
 
 {% block content %}
 <div class="section section_border">
@@ -25,6 +25,9 @@
         </div>
         <div class="go__title">Вернуться</div>
       </a>
+      {% if has_full_access %}
+      <a class="go__btn btn" href="{% url 'course_edit' course.id %}">Редактировать</a>
+      {% endif %}
       {% if not paid and course.price and not has_full_access %}
       <a
         class="go__btn btn{% if pending %} btn_gray{% endif %} btn_md"
@@ -68,7 +71,7 @@
         </a>
       </div>
       <div class="course__title title">{{ course.title }}</div>
-      <div class="course__content">{{ course.short_description }}</div>
+      <div class="course__content">{{ course.short_description | safe | linebreaks }}</div>
       <a href="{% url 'user' course.author.id %}">
         <div class="course__user user">
           {% if course.author.photo %}
@@ -174,27 +177,21 @@
       <div class="lessons__title title">Содержание курса</div>
       <div class="lessons__list">
         {% for lesson in lessons %}
-        {% if course.author == request.user or request.user.role >= request.user.TEACHER_ROLE or paid %}
-        <a href="{% url 'lesson' pk=lesson.id %}">
-        {% else %}
-        <a href="#">
-        {% endif %}
           <div class="lessons__item">
             <div class="lessons__row">
+              <div class="lessons__content-wrapper">
+                <div class="lessons__subtitle subtitle">{{ forloop.counter }}. {{ lesson.title }}</div>
+                <div class="lessons__content">{{ lesson.short_description | truncatechars_html:800 | safe }}</div>
+                <a href="{% url 'lesson' pk=lesson.id %}" class="btn btn_stroke">Перейти к уроку</a>
+              </div>
               <div class="lessons__preview">
                 <div class="lessons__pic-wrapper">
                   <img class="lessons__pic"
                        src="{% if lesson.cover %}{{ lesson.cover.image_thumbnail.url }}{% else %}{% static 'img/no_cover.png' %}{% endif %}">
                 </div>
               </div>
-              <div>
-                <div class="lessons__subtitle subtitle">{{ forloop.counter }}. {{ lesson.title }}</div>
-                <div class="lessons__content">{{ lesson.short_description | truncatechars_html:800 | safe }}</div>
-                <a href="{% url 'lesson' pk=lesson.id %}" class="btn btn_stroke">Перейти к уроку</a>
-              </div>
             </div>
           </div>
-        </a>
         {% endfor %}
       </div>
     </div>
@@ -204,31 +201,7 @@
 <div class="section section_gray">
   <div class="section__center center center_sm">
     <div class="title">Задавайте вопросы:</div>
-    <div class="questions">
-      {% if user.is_authenticated %}
-      <form class="questions__form" method="post" action="{% url 'coursecomment' course_id=course.id %}">
-        <input type="hidden" name="reply_id">
-        <div class="questions__ava ava">
-          <img class="ava__pic" src="{% static 'img/user_default.jpg' %}">
-        </div>
-        <div class="questions__wrap">
-          <div class="questions__reply-info">В ответ на
-            <a href="" class="questions__reply-anchor">этот комментарий</a>.
-            <a href="#" class="questions__reply-cancel grey-link">Отменить</a>
-          </div>
-          <div class="questions__field">
-            <textarea class="questions__textarea" placeholder="Задайте автору курса интересующие вас вопросы"></textarea>
-          </div>
-          <button class="questions__btn btn btn_light">ОТПРАВИТЬ</button>
-        </div>
-      </form>
-      {% else %}
-      <div>Только зарегистрированные пользователи могут оставлять комментарии.</div>
-      {% endif %}
-      <div class="questions__list">
-        {% include "templates/blocks/comments.html" with object=course %}
-      </div>
-    </div>
+    <comments obj-type="course" obj-id="{{ course.id }}"></comments>
   </div>
 </div>
 <div class="section">
diff --git a/apps/course/templates/course/courses.html b/apps/course/templates/course/courses.html
index 8f6f57d2..f56279f6 100644
--- a/apps/course/templates/course/courses.html
+++ b/apps/course/templates/course/courses.html
@@ -23,15 +23,32 @@
               <div class="field__select select js-select{% if category %} selected{% endif %}" data-category-select>
                 <div class="select__head js-select-head">Категории</div>
                 <div class="select__drop js-select-drop">
-                  <div class="select__option js-select-option{% if not category %} active{% endif %}"
-                      data-category-option data-category-url="{% url 'courses' %}">
-                    <div class="select__title">Все курсы</div>
+                  <div class="select__option js-select-option{% if not category.0 %} active{% endif %}" data-category-option>
+                    <div class="select__title">Все категории</div>
                   </div>
                   {% category_items category %}
                 </div>
                 <input class="select__input" type="hidden"></div>
             </div>
           </div>
+          <div class="head__field field">
+            <div class="field__wrap">
+              <div class="field__select select js-select{% if age.0 %} selected{% endif %}">
+                <div class="select__head js-select-head">{% if age_name %}{{ age_name }}{% else %}Возраст{% endif %}</div>
+                <div class="select__drop js-select-drop">
+                  <div class="select__option js-select-option{% if not age.0 %} active{% endif %}" data-age-option>
+                    <div class="select__title">Любой возраст</div>
+                  </div>
+                  {% for a in ages %}
+                    <div class="select__option js-select-option{% if age and age.0 == a.0 %} active{% endif %}" data-age-option
+                         data-age="{{ a.0 }}" data-age-name="{{ a.1 }}">
+                      <div class="select__title">{{ a.1 }}</div>
+                    </div>
+                  {% endfor %}
+                </div>
+                <input class="select__input" type="hidden"></div>
+            </div>
+          </div>
         </div>
       </div>
       <div class="courses">
@@ -40,7 +57,7 @@
         </div>
         <div class="courses__load load">
           {% if page_obj.has_next %}
-          <button class="load__btn btn" data-next-page-url="{% url 'courses' %}?page={{ page_obj.next_page_number }}">Подгрузить еще</button>
+          <button class="load__btn btn" data-next-page="{{ page_obj.next_page_number }}">Подгрузить еще</button>
           {% endif %}
         </div>
       </div>
diff --git a/apps/course/templates/course/inclusion/category_items.html b/apps/course/templates/course/inclusion/category_items.html
index 5549ffa4..9ebd98ed 100644
--- a/apps/course/templates/course/inclusion/category_items.html
+++ b/apps/course/templates/course/inclusion/category_items.html
@@ -1,6 +1,6 @@
 {% for cat in category_items %}
-  <div class="select__option js-select-option{% if category == cat.id %} active{% endif %}"
-       data-category-option data-category-name="{{ cat.title }}" data-category-url="{% url 'courses' %}?category={{ cat.id }}">
+  <div class="select__option js-select-option{% if category == cat.id %} active{% endif %}" data-category-option
+       data-category-name="{{ cat.title }}" data-category="{{ cat.id }}">
     <div class="select__title">{{ cat.title }}</div>
   </div>
-{% endfor %}
\ No newline at end of file
+{% endfor %}
diff --git a/apps/course/templates/course/lesson.html b/apps/course/templates/course/lesson.html
index 9c6b1583..547bb402 100644
--- a/apps/course/templates/course/lesson.html
+++ b/apps/course/templates/course/lesson.html
@@ -2,6 +2,9 @@
 {% load static %}
 {% block title %}{{ lesson.title }} - {{ block.super }}{% endblock title %}
 
+{% block twurl %}{{ request.build_absolute_uri }}{% endblock twurl %}
+{% block ogtitle %}{{ lesson.title }} - {{ block.super }}{% endblock ogtitle %}
+{% block ogurl %}{{ request.build_absolute_uri }}{% endblock ogurl %}
 {% block ogimage %}http://{{request.META.HTTP_HOST}}{% if lesson.course.cover %}{{ lesson.course.cover.image.url }}{% else %}{% static 'img/og_courses.jpg' %}{% endif %}{% endblock ogimage %}
 {% block content %}
 <div class="section" style="margin-bottom:0;padding-bottom:0">
@@ -28,15 +31,9 @@
     </div>
     <div class="lesson">
       <div class="lesson__row">
-        <div class="lesson__preview">
-          <div class="lesson__pic-wrapper">
-            <img class="lesson__pic"
-                 src="{% if lesson.cover %}{{ lesson.cover.image_thumbnail.url }}{% else %}{% static 'img/no_cover.png' %}{% endif %}">
-          </div>
-        </div>
         <div>
           <div class="lesson__subtitle subtitle">{{ lesson.title }}</div>
-          <div class="lesson__content">{{ lesson.short_description | linebreaks }}</div>
+          <div class="lesson__content">{{ lesson.short_description | safe | linebreaks }}</div>
           <a href="{% url 'user' lesson.author.id %}">
             <div class="lesson__user user">
               {% if lesson.author.photo %}
@@ -57,6 +54,12 @@
             </div>
           </a>
         </div>
+        <div class="lesson__preview">
+          <div class="lesson__pic-wrapper">
+            <img class="lesson__pic"
+                 src="{% if lesson.cover %}{{ lesson.cover.image_thumbnail.url }}{% else %}{% static 'img/no_cover.png' %}{% endif %}">
+          </div>
+        </div>
       </div>
     </div>
   </div>
@@ -114,38 +117,7 @@
 <div class="section section_gray">
   <div class="section__center center center_sm">
     <div class="title">Задавайте вопросы:</div>
-    <div class="questions">
-      {% if request.user.is_authenticated %}
-      <form class="questions__form" method="post" action="{% url 'lessoncomment' lesson_id=lesson.id %}">
-        <input type="hidden" name="reply_id">
-        <div class="questions__ava ava">
-          <img
-            class="ava__pic"
-          {% if request.user.photo %}
-            src="{{ request.user.photo.url }}"
-            {% else %}
-            src="{% static 'img/user_default.jpg' %}"
-          {% endif %}
-          >
-        </div>
-        <div class="questions__wrap">
-          <div class="questions__reply-info">В ответ на
-            <a href="" class="questions__reply-anchor">этот комментарий</a>.
-            <a href="#" class="questions__reply-cancel grey-link">Отменить</a>
-          </div>
-          <div class="questions__field">
-            <textarea class="questions__textarea" placeholder="Спросите автора курса интересующие вас вопросы"></textarea>
-          </div>
-          <button class="questions__btn btn btn_light">ОТПРАВИТЬ</button>
-        </div>
-      </form>
-      {% else %}
-      <div>Только зарегистрированные пользователи могут оставлять комментарии.</div>
-      {% endif %}
-      <div class="questions__list">
-        {% include "templates/blocks/comments.html" with object=lesson %}
-      </div>
-    </div>
+    <comments obj-type="lesson" obj-id="{{ lesson.id }}"></comments>
   </div>
 </div>
 <div class="section">
diff --git a/apps/course/views.py b/apps/course/views.py
index 857a57d0..6b578923 100644
--- a/apps/course/views.py
+++ b/apps/course/views.py
@@ -167,9 +167,8 @@ class CourseEditView(TemplateView):
             self.object = Course.objects.create(
                 author=request.user,
             )
-        #TODO
-        #if (request.user != self.object.author and request.user.role < User.AUTHOR_ROLE) or request.user.role != User.ADMIN_ROLE:
-        #    raise Http404
+        if request.user != self.object.author and request.user.role != User.ADMIN_ROLE:
+           raise Http404
         return super().get(request)
 
     def get_context_data(self):
@@ -283,6 +282,14 @@ class CoursesView(ListView):
         filtered = CourseFilter(self.request.GET)
         context.update(filtered.data)
         context['course_items'] = Course.shuffle(context.get('course_items'))
+        context['ages'] = Course.AGE_CHOICES[1:]
+        age = context.get('age')
+        if age and age[0]:
+            age = int(age[0])
+            context['age'] = [age]
+            context['age_name'] = dict(Course.AGE_CHOICES).get(age, '')
+        else:
+            context['age_name'] = ''
         return context
 
     def get_template_names(self):
diff --git a/apps/payment/models.py b/apps/payment/models.py
index f1613793..4811f489 100644
--- a/apps/payment/models.py
+++ b/apps/payment/models.py
@@ -116,13 +116,15 @@ class Payment(PolymorphicModel):
     def add_months(cls, sourcedate, months=1):
         result = arrow.get(sourcedate, settings.TIME_ZONE).shift(months=months)
         if months == 1:
-            if (sourcedate.month == 2 and sourcedate.day >= 28) or (sourcedate.day == 31 and result.day <= 30)\
+            if (sourcedate.month == 2 and sourcedate.day >= 28) or (sourcedate.day == 31 and result.day <= 30) \
                 or (sourcedate.month == 1 and sourcedate.day >= 29 and result.day == 28):
                 result = result.replace(day=1, month=result.month + 1)
         return result.datetime
 
     @classmethod
-    def calc_amount(cls, payment=None, user=None, course=None, weekdays=None):
+    def calc_amount(cls, payment=None, user=None, course=None, date_start=None, weekdays=None):
+        date_start = date_start or now().date()
+        date_end = Payment.add_months(date_start, 1)
         if isinstance(payment, CoursePayment):
             course = payment.course
             user = payment.user
@@ -135,6 +137,7 @@ class Payment(PolymorphicModel):
         if hasattr(user, 'referral') and not user.referral.payment:
             referral_bonus = user.referral.bonus
             referrer_bonus = user.referral.referrer_bonus
+            date_start = school_payment.date_start
         discount = 0
         if course:
             price = course.price
@@ -142,8 +145,8 @@ class Payment(PolymorphicModel):
             if user:
                 school_payments = SchoolPayment.objects.filter(
                     user=user,
-                    date_start__lte=now().date(),
-                    date_end__gte=now().date(),
+                    date_start__lte=date_start,
+                    date_end__gte=date_start,
                     status__in=[
                         Pingback.PINGBACK_TYPE_REGULAR,
                         Pingback.PINGBACK_TYPE_GOODWILL,
@@ -162,7 +165,8 @@ class Payment(PolymorphicModel):
                 weekday__in=weekdays,
             )
             if add_days:
-                weekdays_count = weekdays_in_date_range(now().date(), prev_school_payment.date_end)
+                date_end = prev_school_payment.date_end
+                weekdays_count = weekdays_in_date_range(date_start, prev_school_payment.date_end)
                 all_weekdays_count = weekdays_in_date_range(prev_school_payment.date_start, prev_school_payment.date_end)
                 for ss in school_schedules:
                     price += ss.month_price // all_weekdays_count.get(ss.weekday, 0) * weekdays_count.get(
@@ -182,6 +186,8 @@ class Payment(PolymorphicModel):
             'referral_bonus': referral_bonus,
             'referrer_bonus': referrer_bonus,
             'discount': discount,
+            'date_start': date_start,
+            'date_end': date_end,
             'weekdays': weekdays,
         }
 
diff --git a/apps/payment/views.py b/apps/payment/views.py
index 2f2f3df0..3e004a20 100644
--- a/apps/payment/views.py
+++ b/apps/payment/views.py
@@ -102,6 +102,8 @@ class SchoolBuyView(TemplateView):
         weekdays = set(request.GET.getlist('weekdays', []))
         use_bonuses = request.GET.get('use_bonuses')
         roistat_visit = request.COOKIES.get('roistat_visit', None)
+        date_start = request.GET.get('date_start')
+        date_start = date_start and datetime.datetime.strptime(date_start, '%Y-%m-%d') or now().date()
         if not weekdays:
             messages.error(request, 'Выберите несколько дней недели.')
             return redirect('school:school')
@@ -112,8 +114,8 @@ class SchoolBuyView(TemplateView):
             return redirect('school:school')
         prev_school_payment = SchoolPayment.objects.filter(
             user=request.user,
-            date_start__lte=now().date(),
-            date_end__gte=now().date(),
+            date_start__lte=date_start,
+            date_end__gte=date_start,
             add_days=False,
             status__in=[
                 Pingback.PINGBACK_TYPE_REGULAR,
@@ -126,7 +128,7 @@ class SchoolBuyView(TemplateView):
             school_payment = SchoolPayment.objects.create(
                 user=request.user,
                 weekdays=weekdays,
-                date_start=now().date(),
+                date_start=date_start,
                 date_end=prev_school_payment.date_end,
                 add_days=True,
                 roistat_visit=roistat_visit,
@@ -140,6 +142,8 @@ class SchoolBuyView(TemplateView):
                 user=request.user,
                 weekdays=weekdays,
                 roistat_visit=roistat_visit,
+                date_start=date_start,
+                date_end=Payment.add_months(date_start),
             )
         if use_bonuses:
             if request.user.bonus >= school_payment.amount:
@@ -224,30 +228,7 @@ class PaymentwallCallbackView(View):
                     product_type_name,
                 )
 
-                if product_type_name == 'school':
-                    school_payment = SchoolPayment.objects.filter(
-                        user=payment.user,
-                        add_days=False,
-                        date_start__lte=now().date(),
-                        date_end__gte=now().date(),
-                        status__in=[
-                            Pingback.PINGBACK_TYPE_REGULAR,
-                            Pingback.PINGBACK_TYPE_GOODWILL,
-                            Pingback.PINGBACK_TYPE_RISK_REVIEWED_ACCEPTED,
-                        ],
-                    ).last()
-                    if school_payment:
-                        if payment.add_days:
-                            date_start = now().date()
-                            date_end = school_payment.date_end
-                        else:
-                            date_start = arrow.get(school_payment.date_end, settings.TIME_ZONE).shift(days=1).datetime
-                            date_end = Payment.add_months(date_start)
-                    else:
-                        date_start = now().date()
-                        date_end = Payment.add_months(date_start)
-                    payment.date_start = date_start
-                    payment.date_end = date_end
+
             if product_type_name == 'course':
                 properties = {
                     'payment_id': payment.id,
diff --git a/apps/school/templates/blocks/online.html b/apps/school/templates/blocks/online.html
index 549dad08..bad5cd46 100644
--- a/apps/school/templates/blocks/online.html
+++ b/apps/school/templates/blocks/online.html
@@ -4,9 +4,6 @@
     <div class="online__type">ВИДЕОУРОКИ</div>
     <div class="online__title">Каждый день в 17.00 (по Мск) </div>
     <div class="online__text text">Кроме выходных. Запись эфира доступна по завершению трансляции</div>
-    <div class="online__action">
-      <svg class="icon icon-play">
-        <use xlink:href="{% static 'img/sprite.svg' %}#icon-play"></use>
-      </svg>СМОТРЕТЬ ПРИМЕР ЭФИРА</div>
+    <div class="online__action"></div>
   </div>
 </a>
diff --git a/apps/school/templates/school/livelesson_detail.html b/apps/school/templates/school/livelesson_detail.html
index cfa77ba3..d3e5c5af 100644
--- a/apps/school/templates/school/livelesson_detail.html
+++ b/apps/school/templates/school/livelesson_detail.html
@@ -2,19 +2,27 @@
 {% load static %}
 {% block title %}{{ livelesson.title }} - {{ block.super }}{% endblock title %}
 
+{% block twurl %}{{ request.build_absolute_uri }}{% endblock twurl %}
+{% block ogtitle %}{{ livelesson.title }} - {{ block.super }}{% endblock ogtitle %}
+{% block ogurl %}{{ request.build_absolute_uri }}{% endblock ogurl %}
+{% if livelesson.cover and livelesson.cover.image %}
+{% block ogimage %}http://{{request.META.HTTP_HOST}}{{ livelesson.cover.image.url }}{% endblock ogimage %}
+{% endif %}
+
 {% block content %}
 <div class="section" style="margin-bottom:0;padding-bottom:0">
   <div class="section__center center center_sm">
     <div class="lesson">
       <div class="lesson__subtitle subtitle">{{ livelesson.title }}</div>
-      <div class="lesson__content">{{ livelesson.short_description | linebreaks }}</div>
+      <div class="lesson__content">{{ livelesson.short_description | safe | linebreaks }}</div>
       <div class="lesson__video video">
         {% if livelesson.stream_index %}
         <iframe class="lesson__video_frame" src="https://player.vimeo.com/video/{{ livelesson.stream_index }}?autoplay=1" frameborder="0" webkitallowfullscreen
           mozallowfullscreen allowfullscreen>
         </iframe>
         <span>Если видео не загрузилось, - уменьшите качество видео или <a href="#" onclick="location.reload();">обновите страницу</a></span>
-        <iframe class="lesson__chat_frame" src="https://vimeo.com/live-chat/{{ livelesson.stream_index }}" frameborder="0"></iframe>
+        <!--<iframe class="lesson__chat_frame" src="https://vimeo.com/live-chat/{{ livelesson.stream_index }}" frameborder="0"></iframe>-->
+        <comments obj-type="live-lesson" obj-id="{{ livelesson.id }}" :is-chat="true"></comments>
         {% else %}
           {% if livelesson.cover %}
           <img class="video__pic" src="{{ livelesson.cover.image.url }}"/>
diff --git a/apps/school/templates/school/livelessons_list.html b/apps/school/templates/school/livelessons_list.html
index f19f81f0..1c0a1778 100644
--- a/apps/school/templates/school/livelessons_list.html
+++ b/apps/school/templates/school/livelessons_list.html
@@ -24,7 +24,7 @@
           </div>
           <div class="lessons__subtitle subtitle">{{ livelesson.date }} // {{ livelesson.title }}</div>
           <div class="lessons__row">
-            <div class="lessons__content">{{ livelesson.short_description | linebreaks }}</div>
+            <div class="lessons__content">{{ livelesson.short_description | safe | linebreaks | truncatechars_html:800 }}</div>
           </div>
         </div>
         {% endfor %}
diff --git a/apps/school/templates/summer/online.html b/apps/school/templates/summer/online.html
index 113965bb..53957d3f 100644
--- a/apps/school/templates/summer/online.html
+++ b/apps/school/templates/summer/online.html
@@ -3,10 +3,7 @@
   <div class="online__center center">
     <div class="online__type">ВИДЕОУРОКИ</div>
     <div class="online__title">В 17.00 (по Мск) </div>
-    <div class="online__text text">Каждый день с 1 сентября</div>
-    <div class="online__action">
-      <svg class="icon icon-play">
-        <use xlink:href="{% static 'img/sprite.svg' %}#icon-play"></use>
-      </svg>СМОТРЕТЬ ПРИМЕР ЭФИРА</div>
+    <div class="online__text text">Каждый день</div>
+    <div class="online__action"></div>
   </div>
 </a>
diff --git a/apps/school/templates/summer/prolong_btn.html b/apps/school/templates/summer/prolong_btn.html
index c4026242..75021093 100644
--- a/apps/school/templates/summer/prolong_btn.html
+++ b/apps/school/templates/summer/prolong_btn.html
@@ -1,9 +1,5 @@
 <a
-  {% if not user.is_authenticated %}
-  data-popup=".js-popup-auth"
-  {% else %}
-  data-popup=".js-popup-buy"
-  {% endif %}
+  data-popup=".js-popup-buy" data-prolong="1" data-date-start="{{ prolong_date_start|date:'Y-m-d' }}"
   class="casing__btn btn{% if pink %} btn_pink{% endif %}"
   href="#"
 >продлить</a>
diff --git a/apps/school/templates/summer/promo.html b/apps/school/templates/summer/promo.html
index 7878c9ef..8b1ed12e 100644
--- a/apps/school/templates/summer/promo.html
+++ b/apps/school/templates/summer/promo.html
@@ -5,7 +5,7 @@
       <span class="main__bold">Lil School</span> — первая образовательная онлайн-платформа креативного мышления для детей
     </div>
     <div class="main__subtitle">
-      Старт школы - 1 сентября
+      <!--Старт школы - 1 сентября-->
     </div>
     <div class="main__actions">
       <a
@@ -29,7 +29,7 @@
           </svg>
         </div>
         <div class="school__title">Видеоуроки</div>
-        <div class="school__text">Каждый день с 1 сентября</div>
+        <div class="school__text">Каждый день</div>
       </div>
       <div class="school__col">
         <div class="school__preview">
diff --git a/apps/school/templates/summer/schedule_purchased.html b/apps/school/templates/summer/schedule_purchased.html
index e22818c7..a2106299 100644
--- a/apps/school/templates/summer/schedule_purchased.html
+++ b/apps/school/templates/summer/schedule_purchased.html
@@ -5,14 +5,10 @@
     <div class="casing">
       <div class="casing__col">
         <div class="casing__subscribe">
-          {% if is_purchased %}
           <div class="casing__msg">Подписка истекает
             <span class="bold">{{ subscription_ends }}</span>
           </div>
-          {% else %}
-          <div class="casing__msg">Подписка
-            <span class="bold">истекла</span>
-          </div>
+          {% if allow_prolong %}
           {% include './prolong_btn.html' with pink=True %}
           {% endif %}
         </div>
diff --git a/apps/school/views.py b/apps/school/views.py
index 1728d443..bac97f5a 100644
--- a/apps/school/views.py
+++ b/apps/school/views.py
@@ -187,6 +187,7 @@ class SchoolView(TemplateView):
                 ll.school_schedule = school_schedules_dict.get(ll.date.isoweekday())
             live_lessons_exists = live_lessons.exists()
             live_lessons = live_lessons or None
+        subscription_ends = school_payment.filter(add_days=False).last().date_end if school_payment_exists else None
         context.update({
             'online': online,
             'live_lessons': live_lessons,
@@ -199,7 +200,9 @@ class SchoolView(TemplateView):
             'school_schedules': school_schedules,
             'school_schedules_purchased': school_schedules_purchased,
             'school_purchased_future': False,
-            'subscription_ends': school_payment.filter(add_days=False).first().date_end if school_payment_exists else None,
+            'subscription_ends': subscription_ends,
+            'prolong_date_start': subscription_ends + timedelta(days=1) if subscription_ends else None,
+            'allow_prolong': subscription_ends - date_now <= timedelta(days=14) if subscription_ends else False,
         })
         return context
 
diff --git a/apps/user/templates/user/profile.html b/apps/user/templates/user/profile.html
index 9bddf2b0..9ad4d552 100644
--- a/apps/user/templates/user/profile.html
+++ b/apps/user/templates/user/profile.html
@@ -73,13 +73,14 @@
       </div>
       <div class="tabs__container">
         <div class="tabs__item js-tabs-item" style="display: block;">
-          <div class="courses courses_scroll">
+          <div class="courses">
             <div class="courses__list">
               {% if is_school_purchased %}
               <div class="courses__item">
                 <a class="courses__preview"  href="{% url 'school:school' %}">
                   <img class="courses__pic" src="{% static 'img/og_main.jpg' %}"
-                       style="height: 201px; width: 300px; object-fit: cover;" />
+                       style="height: 200px; object-fit: cover;" />
+                  <div class="courses__view">Подробнее</div>
                 </a>
                 <div class="courses__details">
                   <a class="courses__theme theme">{{ school_purchased_weekdays }}</a>
@@ -110,7 +111,7 @@
         </div>
         {% if is_author %}
         <div class="tabs__item js-tabs-item">
-          <div class="courses courses_scroll">
+          <div class="courses">
             <div class="courses__list">
               {% if published.exists %}
               {% include "course/course_items.html" with course_items=published %}
diff --git a/project/context_processors.py b/project/context_processors.py
index ee33ef54..6e954da7 100644
--- a/project/context_processors.py
+++ b/project/context_processors.py
@@ -1,3 +1,4 @@
+from django.db.models import Func, F
 from django.utils.timezone import now
 from paymentwall.pingback import Pingback
 from django.contrib.auth import get_user_model
@@ -17,7 +18,7 @@ def baner(request):
     return {'baner': Baner.objects.filter(use=True).first()}
 
 
-def is_summer_school_purchased(request):
+def school_purchased(request):
     if request.user.is_authenticated:
         n = now().date()
         school_payment = SchoolPayment.objects.filter(
@@ -30,8 +31,18 @@ def is_summer_school_purchased(request):
             date_start__lte=n,
             date_end__gte=n
         )
-        return {'is_summer_school_purchased': school_payment.exists()}
-    return {'is_summer_school_purchased': False}
+        school_schedules_purchased = school_payment.annotate(
+            joined_weekdays=Func(F('weekdays'), function='unnest', )
+        ).values_list('joined_weekdays', flat=True).distinct()
+        return {
+            'is_school_purchased': school_payment.exists(),
+            'school_schedules_purchased': school_schedules_purchased,
+        }
+    return {
+        'is_school_purchased': False,
+        'school_schedules_purchased': [],
+    }
+
 
 def referrer(request):
     referrer = request.session.get('referrer')
diff --git a/project/pusher.py b/project/pusher.py
new file mode 100644
index 00000000..af6c74a8
--- /dev/null
+++ b/project/pusher.py
@@ -0,0 +1,14 @@
+from django.conf import settings
+from pusher import Pusher
+
+
+def pusher():
+    try:
+        pusher_cluster = settings.PUSHER_CLUSTER
+    except AttributeError:
+        pusher_cluster = 'mt1'
+
+    return Pusher(app_id=settings.PUSHER_APP_ID,
+                key=settings.PUSHER_KEY,
+                secret=settings.PUSHER_SECRET,
+                cluster=pusher_cluster)
diff --git a/project/settings.py b/project/settings.py
index cb9ac8d4..8cdb2ed2 100644
--- a/project/settings.py
+++ b/project/settings.py
@@ -95,7 +95,7 @@ TEMPLATES = [
             'context_processors': [
                 'project.context_processors.config',
                 'project.context_processors.baner',
-                'project.context_processors.is_summer_school_purchased',
+                'project.context_processors.school_purchased',
                 'project.context_processors.referrer',
                 'project.context_processors.settings',
                 'django.template.context_processors.debug',
@@ -200,6 +200,13 @@ TWILIO_FROM_PHONE = os.getenv('TWILIO_FROM_PHONE', '+37128914409')
 
 ACTIVE_LINK_STRICT = True
 
+# PUSHER settings
+
+PUSHER_APP_ID = os.getenv('PUSHER_APP_ID', '')
+PUSHER_KEY = os.getenv('PUSHER_KEY', '')
+PUSHER_SECRET = os.getenv('PUSHER_SECRET', '')
+PUSHER_CLUSTER = 'eu'
+
 # DRF settings
 
 REST_FRAMEWORK = {
diff --git a/project/templates/blocks/about.html b/project/templates/blocks/about.html
index de379799..9d285f6c 100644
--- a/project/templates/blocks/about.html
+++ b/project/templates/blocks/about.html
@@ -13,7 +13,7 @@
           </svg>
         </div>
         <div class="school__title">Видеоуроки</div>
-        <div class="school__text">Каждый день с 1 сентября</div>
+        <div class="school__text">Каждый день</div>
       </div>
       <div class="school__col">
         <div class="school__preview">
diff --git a/project/templates/blocks/gallery.html b/project/templates/blocks/gallery.html
index ccba4448..9a8c634a 100644
--- a/project/templates/blocks/gallery.html
+++ b/project/templates/blocks/gallery.html
@@ -11,80 +11,56 @@
     </div>
     <div class="gallery">
       <div class="gallery__grid">
-        <div
-        class="gallery__item gallery__item_lg"
-        style="background-image: url({% get_media_prefix %}instagram/results/0.jpg);"
-        >
+        <a href="{% get_media_prefix %}instagram/results/0.jpg"
+        class="gallery__item gallery__item_lg">
           <img class="gallery__pic" src="{% get_media_prefix %}instagram/results/0.jpg" onerror="this.style.display='none'">
-        </div>
-        <div
-        class="gallery__item"
-        style="background-image: url({% get_media_prefix %}instagram/results/1.jpg);"
-        >
-          {% comment %} <img class="gallery__pic" src="{% get_media_prefix %}instagram/results/1.jpg" onerror="this.style.display='none'"> {% endcomment %}
-        </div>
-        <div
-        class="gallery__item"
-        style="background-image: url({% get_media_prefix %}instagram/results/2.jpg);"
-        >
-          {% comment %} <img class="gallery__pic" src="{% get_media_prefix %}instagram/results/2.jpg" onerror="this.style.display='none'"> {% endcomment %}
-        </div>
-        <div
-        class="gallery__item"
-        style="background-image: url({% get_media_prefix %}instagram/results/3.jpg);"
-        >
-          {% comment %} <img class="gallery__pic" src="{% get_media_prefix %}instagram/results/3.jpg" onerror="this.style.display='none'"> {% endcomment %}
-        </div>
-        <div
-        class="gallery__item"
-        style="background-image: url({% get_media_prefix %}instagram/results/4.jpg);"
-        >
-          {% comment %} <img class="gallery__pic" src="{% get_media_prefix %}instagram/results/4.jpg" onerror="this.style.display='none'"> {% endcomment %}
-        </div>
-        <div
-        class="gallery__item"
-        style="background-image: url({% get_media_prefix %}instagram/results/5.jpg);"
-        >
-          {% comment %} <img class="gallery__pic" src="{% get_media_prefix %}instagram/results/5.jpg" onerror="this.style.display='none'"> {% endcomment %}
-        </div>
+        </a>
+        <a href="{% get_media_prefix %}instagram/results/1.jpg"
+        class="gallery__item">
+          <img class="gallery__pic" src="{% get_media_prefix %}instagram/results/1.jpg" onerror="this.style.display='none'">
+        </a>
+        <a href="{% get_media_prefix %}instagram/results/2.jpg"
+        class="gallery__item">
+          <img class="gallery__pic" src="{% get_media_prefix %}instagram/results/2.jpg" onerror="this.style.display='none'">
+        </a>
+        <a href="{% get_media_prefix %}instagram/results/3.jpg"
+        class="gallery__item">
+          <img class="gallery__pic" src="{% get_media_prefix %}instagram/results/3.jpg" onerror="this.style.display='none'">
+        </a>
+        <a href="{% get_media_prefix %}instagram/results/4.jpg"
+        class="gallery__item">
+          <img class="gallery__pic" src="{% get_media_prefix %}instagram/results/4.jpg" onerror="this.style.display='none'">
+        </a>
+        <a href="{% get_media_prefix %}instagram/results/5.jpg"
+        class="gallery__item">
+          <img class="gallery__pic" src="{% get_media_prefix %}instagram/results/5.jpg" onerror="this.style.display='none'">
+        </a>
       </div>
       <div class="gallery__grid">
-        <div
-        class="gallery__item"
-        style="background-image: url({% get_media_prefix %}instagram/results/6.jpg);"
-        >
-          {% comment %} <img class="gallery__pic" src="{% get_media_prefix %}instagram/results/6.jpg" onerror="this.style.display='none'"> {% endcomment %}
-        </div>
-        <div
-        class="gallery__item"
-        style="background-image: url({% get_media_prefix %}instagram/results/7.jpg);"
-        >
-          {% comment %} <img class="gallery__pic" src="{% get_media_prefix %}instagram/results/7.jpg" onerror="this.style.display='none'"> {% endcomment %}
-        </div>
-        <div
-        class="gallery__item"
-        style="background-image: url({% get_media_prefix %}instagram/results/8.jpg);"
-        >
-          {% comment %} <img class="gallery__pic" src="{% get_media_prefix %}instagram/results/8.jpg" onerror="this.style.display='none'"> {% endcomment %}
-        </div>
-        <div class="gallery__item gallery__item_lg"
-        style="background-image: url({% get_media_prefix %}instagram/results/9.jpg);"
-
-        >
-          {% comment %} <img class="gallery__pic" src="{% get_media_prefix %}instagram/results/9.jpg" onerror="this.style.display='none'"> {% endcomment %}
-        </div>
-        <div
-        class="gallery__item"
-        style="background-image: url({% get_media_prefix %}instagram/results/10.jpg);"
-        >
-          {% comment %} <img class="gallery__pic" src="{% get_media_prefix %}instagram/results/10.jpg" onerror="this.style.display='none'"> {% endcomment %}
-        </div>
-        <div
-        class="gallery__item"
-        style="background-image: url({% get_media_prefix %}instagram/results/11.jpg);"
-        >
-          {% comment %} <img class="gallery__pic" src="{% get_media_prefix %}instagram/results/11.jpg" onerror="this.style.display='none'"> {% endcomment %}
-        </div>
+        <a href="{% get_media_prefix %}instagram/results/6.jpg"
+        class="gallery__item">
+          <img class="gallery__pic" src="{% get_media_prefix %}instagram/results/6.jpg" onerror="this.style.display='none'">
+        </a>
+        <a href="{% get_media_prefix %}instagram/results/7.jpg"
+        class="gallery__item">
+          <img class="gallery__pic" src="{% get_media_prefix %}instagram/results/7.jpg" onerror="this.style.display='none'">
+        </a>
+        <a href="{% get_media_prefix %}instagram/results/8.jpg"
+        class="gallery__item">
+          <img class="gallery__pic" src="{% get_media_prefix %}instagram/results/8.jpg" onerror="this.style.display='none'">
+        </a>
+        <a href="{% get_media_prefix %}instagram/results/9.jpg"
+        class="gallery__item gallery__item_lg">
+          <img class="gallery__pic" src="{% get_media_prefix %}instagram/results/9.jpg" onerror="this.style.display='none'">
+        </a>
+        <a href="{% get_media_prefix %}instagram/results/10.jpg"
+        class="gallery__item">
+          <img class="gallery__pic" src="{% get_media_prefix %}instagram/results/10.jpg" onerror="this.style.display='none'">
+        </a>
+        <a href="{% get_media_prefix %}instagram/results/11.jpg"
+        class="gallery__item">
+          <img class="gallery__pic" src="{% get_media_prefix %}instagram/results/11.jpg" onerror="this.style.display='none'">
+        </a>
       </div>
     </div>
   </div>
diff --git a/project/templates/blocks/last_courses.html b/project/templates/blocks/last_courses.html
index 9eee94ce..910b4ca3 100644
--- a/project/templates/blocks/last_courses.html
+++ b/project/templates/blocks/last_courses.html
@@ -3,9 +3,8 @@
   <div class="section__center center">
     <div class="title title_center">Видео-курсы без расписания</div>
     <div class="text text_courses">Если вам не совсем удобно заниматься с нами каждый день в нашей онлайн-школе, специально для вас мы
-      делаем отдельные уроки в записи, которые вы можете проходить когда вам будем удобно.</div>
-    <div class="head">
-      <div class="head__text">Учите и развивайте креативное мышление когда и где угодно</div>
+      делаем отдельные уроки в записи, которые вы можете проходить когда вам будем удобно.<br><br>
+      Учите и развивайте креативное мышление когда и где угодно
     </div>
     <div class="courses">
       <div class="courses__list">
diff --git a/project/templates/blocks/lil_store_js.html b/project/templates/blocks/lil_store_js.html
index 43fb92bd..8f3197a3 100644
--- a/project/templates/blocks/lil_store_js.html
+++ b/project/templates/blocks/lil_store_js.html
@@ -1,11 +1,26 @@
 {% load static %}
+{% load setting from settings %}
 <script>
   window.LIL_STORE = {
+    roles: {
+        USER_ROLE: 0,
+        AUTHOR_ROLE: 1,
+        TEACHER_ROLE: 2,
+        ADMIN_ROLE: 3,
+    },
+    pusherKey: '{% setting "PUSHER_KEY" %}',
     staticUrl: '{% static "" %}',
     accessToken: '{{ request.user.auth_token }}',
     isMobile: {{ request.user_agent.is_mobile|yesno:"true,false" }},
+    defaultUserPhoto: "{% static 'img/user_default.jpg' %}",
     user: {
       id: '{{ request.user.id|default:'' }}',
+      role: +'{{ request.user.role }}',
+      photo: '{% if request.user.photo %}{{ request.user.photo.url }}{% else %}{% static 'img/user_default.jpg' %}{% endif %}',
+    },
+    components: {},
+    urls: {
+      courses: "{% url 'courses' %}"
     },
     flags: {
       referrer: '{{ referrer.id|default:'' }}',
diff --git a/project/templates/blocks/live.html b/project/templates/blocks/live.html
index 113965bb..53957d3f 100644
--- a/project/templates/blocks/live.html
+++ b/project/templates/blocks/live.html
@@ -3,10 +3,7 @@
   <div class="online__center center">
     <div class="online__type">ВИДЕОУРОКИ</div>
     <div class="online__title">В 17.00 (по Мск) </div>
-    <div class="online__text text">Каждый день с 1 сентября</div>
-    <div class="online__action">
-      <svg class="icon icon-play">
-        <use xlink:href="{% static 'img/sprite.svg' %}#icon-play"></use>
-      </svg>СМОТРЕТЬ ПРИМЕР ЭФИРА</div>
+    <div class="online__text text">Каждый день</div>
+    <div class="online__action"></div>
   </div>
 </a>
diff --git a/project/templates/blocks/popup_buy.html b/project/templates/blocks/popup_buy.html
index d9f59b77..b2f81760 100644
--- a/project/templates/blocks/popup_buy.html
+++ b/project/templates/blocks/popup_buy.html
@@ -20,40 +20,6 @@
           </div>
           <div class="buy__col">
             <div class="buy__list">
-              {% if all_school_schedules %}
-              {% for school_schedule in all_school_schedules %}
-              <label class="switch switch_lesson">
-                <input
-                  class="switch__input"
-                  type="checkbox"
-                  data-day="{{school_schedule.weekday}}"
-                  data-price="{{school_schedule.month_price}}"
-                  autocomplete="off"
-                  {% if school_schedule.weekday in school_schedules_purchased %}
-                  disabled
-                  {% endif %}
-                  {% if not is_purchased %}
-                  checked
-                  {% endif %}>
-                <span class="switch__content">
-                  <span class="switch__cell">{{ school_schedule }}</span>
-                  {% comment %} dont delete {% endcomment %}
-                  <span class="switch__cell"></span>
-                  <span class="switch__cell">{{ school_schedule.title }}</span>
-                  <span class="buy__trial-lesson switch__cell">
-                    {% if school_schedule.weekday in school_schedules_purchased %}
-                      Куплено
-                    {% else %}
-                      {% if school_schedule.trial_lesson %}
-                      <a class="js-video-modal" data-video-url="{{ school_schedule.trial_lesson }}" href="">Пробный урок</a>
-                      {% endif %}
-                    {% endif %}
-                  </span>
-                  <span class="switch__cell">{{school_schedule.month_price}}р в мес.</span>
-                </span>
-              </label>
-              {% endfor %}
-              {% else %}
               {% for school_schedule in school_schedules %}
               <label class="switch switch_lesson">
                 <input
@@ -63,6 +29,7 @@
                   data-price="{{school_schedule.month_price}}"
                   autocomplete="off"
                   {% if school_schedule.weekday in school_schedules_purchased %}
+                  data-purchased="1"
                   disabled
                   {% endif %}
                   {% if not is_purchased %}
@@ -86,7 +53,6 @@
                 </span>
               </label>
               {% endfor %}
-              {% endif %}
             </div>
           </div>
           <div class="buy__col">
@@ -102,6 +68,7 @@
                 </div>
                 <div class="order__info">
                   <div class="order__label">ШКОЛА</div>
+                  <div class="order__dates"></div>
                   <div class="order__days"></div>
                   {% if request.user.bonuses %}
                   <label class="buy__bonuses switch" style="display: none;">
diff --git a/project/templates/blocks/popup_course_lock.html b/project/templates/blocks/popup_course_lock.html
index 45f87ae0..e7445d96 100644
--- a/project/templates/blocks/popup_course_lock.html
+++ b/project/templates/blocks/popup_course_lock.html
@@ -6,7 +6,7 @@
       <div class="lock">
         <div class="lock__label">ЧТОБЫ ПРОДОЛЖИТЬ ПРОСМОТР</div>
         <div class="lock__title title">{{ course.title }}</div>
-        <div class="lock__content">{{ course.short_description }}</div>
+        <div class="lock__content">{{ course.short_description | safe | linebreaks }}</div>
         <a href="{% url 'course-checkout' course.id %}" class="lock__btn btn">КУПИТЬ КУРС</a>
       </div>
     </div>
diff --git a/project/templates/blocks/promo.html b/project/templates/blocks/promo.html
index 904fb142..c3bee182 100644
--- a/project/templates/blocks/promo.html
+++ b/project/templates/blocks/promo.html
@@ -48,7 +48,7 @@
       </div>
     {% else %}
     <div class="main__subtitle">
-      Приглашаем вас присоединиться к онлайн-школе с 1 сентября!
+      Приглашаем вас присоединиться к онлайн-школе
     </div>
     <div class="main__actions">
       {% if not is_purchased and not is_purchased_future %}
diff --git a/project/templates/lilcity/edit_index.html b/project/templates/lilcity/edit_index.html
index 18be67aa..70691489 100644
--- a/project/templates/lilcity/edit_index.html
+++ b/project/templates/lilcity/edit_index.html
@@ -316,12 +316,12 @@
   </div>
 </div>
 {% include 'templates/blocks/lil_store_js.html' %}
-<script type="text/javascript" src={% static "app.js" %}></script>
 <script>
   var schoolDiscount = parseFloat({{ config.SERVICE_DISCOUNT }});
   var schoolAmountForDiscount = parseFloat({{ config.SERVICE_DISCOUNT_MIN_AMOUNT }});
 </script>
 {% block foot %}{% endblock foot %}
+<script type="text/javascript" src={% static "app.js" %}></script>
 </body>
 
 </html>
diff --git a/project/templates/lilcity/index.html b/project/templates/lilcity/index.html
index 9d3c8551..7b8204a0 100644
--- a/project/templates/lilcity/index.html
+++ b/project/templates/lilcity/index.html
@@ -56,6 +56,7 @@
     powered by <a href="https://www.livechatinc.com/?welcome" rel="noopener" target="_blank">LiveChat</a>
     </noscript>
     <!-- End of LiveChat code -->
+    <script src="https://js.pusher.com/4.1/pusher.min.js"></script>
     <script>
         var viewportmeta = document.querySelector('meta[name="viewport"]');
         if (viewportmeta) {
diff --git a/project/templates/lilcity/main.html b/project/templates/lilcity/main.html
index 4227d9ec..06cc2758 100644
--- a/project/templates/lilcity/main.html
+++ b/project/templates/lilcity/main.html
@@ -9,7 +9,7 @@
   {% include "templates/blocks/about.html" %}
   {% include "templates/blocks/last_courses.html" %}
   {% include "templates/blocks/gallery.html" %}
-  {% include "templates/blocks/game.html" %}
   {% include "templates/blocks/teachers.html" %}
+  {% include "templates/blocks/game.html" %}
   {% include "templates/blocks/partners.html" %}
 {% endblock content %}
diff --git a/project/urls.py b/project/urls.py
index fc5f9ee2..b5721fb6 100644
--- a/project/urls.py
+++ b/project/urls.py
@@ -47,14 +47,14 @@ urlpatterns = [
     path('author-request/success/', TemplateView.as_view(template_name='user/become-author-success.html'), name='author-request-success'),
     path('courses/', CoursesView.as_view(), name='courses'),
     path('course/create', CourseEditView.as_view(), name='course_create'),
-    path('course/create/lessons', CourseEditView.as_view(), name='course_create_lessons'),
-    path('course/create/lessons/new', CourseEditView.as_view(), name='course_create_lessons_new'),
-    path('course/create/lessons/edit/<int:lesson>', CourseEditView.as_view(), name='course_create_lessons_edit'),
+    path('course/<int:pk>/lessons/new', CourseEditView.as_view(), name='course_lessons_new'),
+    path('course/<int:pk>/lessons/<int:lesson>/edit', CourseEditView.as_view(), name='course_lessons_edit'),
     path('course/on-moderation', CourseOnModerationView.as_view(), name='course-on-moderation'),
     path('course/<int:pk>/', CourseView.as_view(), name='course'),
     path('course/<str:slug>/', CourseView.as_view(), name='course'),
     path('course/<int:pk>/checkout', CourseBuyView.as_view(), name='course-checkout'),
     path('course/<int:pk>/edit', CourseEditView.as_view(), name='course_edit'),
+    path('course/<int:pk>/edit/lessons', CourseEditView.as_view(), name='course_edit_lessons'),
     path('course/<int:pk>/lessons', CourseView.as_view(template_name='course/course_only_lessons.html', only_lessons=True), name='course-only-lessons'),
     path('course/<int:course_id>/like', likes, name='likes'),
     path('course/<int:course_id>/comment', coursecomment, name='coursecomment'),
diff --git a/project/views.py b/project/views.py
index 5cb9e46a..29189994 100644
--- a/project/views.py
+++ b/project/views.py
@@ -83,7 +83,7 @@ class IndexView(TemplateView):
             'online': online,
             'online_coming_soon': online_coming_soon,
             'school_schedule': school_schedule,
-            'course_items': Course.shuffle(Course.objects.filter(status=Course.PUBLISHED)[:6]),
+            'course_items': Course.shuffle(Course.objects.filter(status=Course.PUBLISHED)[:3]),
             'is_purchased': school_payment_exists,
             'min_school_price': SchoolSchedule.objects.aggregate(Min('month_price'))['month_price__min'],
             'school_schedules': SchoolSchedule.objects.all(),
diff --git a/requirements.txt b/requirements.txt
index 3c5d1087..c5b6d33f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,5 +30,5 @@ user-agents==1.1.0
 ua-parser==0.8.0
 django-ipware
 django-imagekit
-short_url
-
+pusher==2.0.1
+short_url
\ No newline at end of file
diff --git a/web/src/components/Comment.vue b/web/src/components/Comment.vue
new file mode 100644
index 00000000..3b5260b1
--- /dev/null
+++ b/web/src/components/Comment.vue
@@ -0,0 +1,71 @@
+<template>
+  <div>
+    <div v-if="! comment.deactivated_at">
+      <a class="questions__anchor" :id="'question__' + comment.id"></a>
+      <div :id="'question__replyto__' + comment.id" :class="{'questions__item_reply': comment.parent && ! controller.isChat}" class="questions__item">
+
+        <div v-if="comment.author.photo" class="questions__ava ava">
+          <img class="ava__pic" :src="comment.author.photo">
+        </div>
+
+        <div v-if="! comment.author.photo" class="questions__ava ava">
+          <img class="ava__pic" :src="$root.store.defaultUserPhoto">
+        </div>
+
+        <div class="questions__wrap">
+          <div class="questions__details">
+            <div class="questions__head">
+              <span class="questions__author">{{ comment.author.first_name }} {{ comment.author.last_name }}</span>
+              <span class="questions__date">{{ comment.created_at_humanize }}</span>
+            </div>
+            <div class="questions__content">
+              <svg  v-if="isHeart" class="icon questions__heart"><use xlink:href="/static/img/sprite.svg#icon-like"></use></svg>
+              <span v-if="! isHeart">{{ comment.content }}</span>
+            </div>
+          </div>
+          <div class="questions__foot">
+            <button @click="controller.reply(comment)" v-if="$root.store.user.id && ! controller.isChat" class="questions__action question__reply-button">ОТВЕТИТЬ</button>
+            <button @click="controller.remove(comment)"
+                    v-if="$root.store.user.id == comment.author.id || $root.store.user.role == $root.store.roles.ADMIN_ROLE"
+                    class="questions__action question__reply-button">
+              <span v-if="! controller.isChat">УДАЛИТЬ</span>
+              <span v-if="controller.isChat">
+                <svg class="icon questions__delete-icon"><use xlink:href="/static/img/sprite.svg#icon-delete"></use></svg>
+              </span>
+            </button>
+          </div>
+        </div>
+      </div>
+    </div>
+    <comment-form v-if="$root.store.user.id && !controller.$data.isChat && controller.$data.replyTo && controller.$data.replyTo.id == comment.id"
+                  :controller="controller"></comment-form>
+
+    <ul v-if="comment.children" v-for="(node, index) in comment.children" :key="index">
+      <li>
+        <comment v-if="! node.deactivated_at" :controller="controller" :comment="node"></comment>
+      </li>
+    </ul>
+  </div>
+</template>
+
+
+<script>
+    import CommentForm from './CommentForm';
+
+    export default {
+        name: 'comment',
+        props: ['controller', 'comment',],
+        computed: {
+            isHeart(){
+                return this.comment.content === '❤';
+            },
+        },
+        mounted(){
+            this.controller.flatComments[this.comment.id] = this.comment;
+        },
+        components: {
+          CommentForm
+        }
+    }
+</script>
+
diff --git a/web/src/components/CommentForm.vue b/web/src/components/CommentForm.vue
new file mode 100644
index 00000000..a7c9fd29
--- /dev/null
+++ b/web/src/components/CommentForm.vue
@@ -0,0 +1,53 @@
+<template>
+  <div class="questions__form" :class="{'questions__item_reply': controller.$data.replyTo}">
+    <div class="questions__form-loader loading-loader"></div>
+    <div class="questions__ava ava">
+      <img class="ava__pic" :src="$root.store.user.photo || $root.store.defaultUserPhoto">
+    </div>
+    <div class="questions__wrap">
+      <div class="questions__field">
+        <textarea v-model="content" class="questions__textarea" @keyup.enter.exact="addOnEnter"
+                  :placeholder="controller.$data.replyTo ? 'Ответ на комментарий' : 'Ваш комментарий или вопрос'"></textarea>
+      </div>
+      <div class="questions__form-foot">
+        <button v-if="controller.isChat" class="questions__btn"
+                @click="controller.addHeart"><svg class="icon questions__heart"><use xlink:href="/static/img/sprite.svg#icon-like"></use></svg></button>
+        <button class="questions__btn"  :class="{'btn btn_light': ! controller.isChat}" @click="add">
+          <span :class="{'mobile-hide': controller.isChat }">ОТПРАВИТЬ</span>
+          <span class="mobile-show" v-if="controller.isChat">
+            <svg class="icon questions__send-icon"><use xlink:href="/static/img/sprite.svg#icon-plus"></use></svg>
+          </span>
+        </button>
+        <button v-show="! controller.isChat && controller.$data.replyTo" class="questions__btn" @click="controller.cancelReply">
+          <span>ОТМЕНИТЬ</span>
+        </button>
+      </div>
+    </div>
+  </div>
+</template>
+
+
+<script>
+    import {api} from "../js/modules/api";
+
+    export default {
+          name: 'comment-form',
+          props: ['controller',],
+          data() {
+              return {
+                  content: '',
+              }
+          },
+          methods: {
+              addOnEnter() {
+                  if(this.controller.isChat) {
+                      this.add();
+                  }
+              },
+              add() {
+                  this.controller.add(this.content);
+                  this.content = '';
+              },
+          }
+    }
+</script>
diff --git a/web/src/components/Comments.vue b/web/src/components/Comments.vue
new file mode 100644
index 00000000..2fd5bbb4
--- /dev/null
+++ b/web/src/components/Comments.vue
@@ -0,0 +1,134 @@
+<template>
+  <div class="questions" :class="{'questions--chat': isChat, 'questions--loading': loading}">
+    <div v-show="nodes.length" class="questions__items">
+      <ul v-for="(node, index) in nodes" :key="index">
+        <li>
+          <comment v-if="! node.deactivated_at" :comment="node" :controller="controller" v-on:remove="remove"></comment>
+        </li>
+      </ul>
+    </div>
+    <comment-form v-if="$root.store.user.id && ! replyTo" :controller="controller"></comment-form>
+  </div>
+</template>
+
+<script type="text/javascript">
+    import Comment from './Comment';
+    import CommentForm from './CommentForm';
+    import {api} from "../js/modules/api";
+
+    export default {
+        name: 'comments',
+        props: ['objType', 'objId', 'isChat'],
+        data() {
+            return {
+                loading: false,
+                replyTo: null,
+                nodes: [],
+                controller: this,
+                flatComments: {},
+            }
+        },
+        methods: {
+            reply(comment) {
+                this.replyTo = comment;
+            },
+            cancelReply(){
+                this.replyTo = null;
+            },
+            addHeart(){
+                this.add('❤');
+            },
+            add(content){
+                let vm = this;
+                this.loading = true;
+                let request = api.addObjComment(this.objId, this.objType, {
+                    content: content,
+                    author: this.$root.store.user.id,
+                    parent: this.replyTo && this.replyTo.id,
+                });
+                request.then((response) => {
+                    vm.loading = false;
+                    vm.onAdd(response.data);
+                    if(vm.replyTo){
+                        vm.cancelReply();
+                    }
+                }).catch(() => {
+                    vm.loading = false;
+                });
+            },
+            remove(comment){
+                if(! confirm('Удалить комментарий?')){
+                    return;
+                }
+                let vm = this;
+                this.loading = true;
+                let request = api.removeObjComment(comment.id);
+                request.then((response) => {
+                    vm.loading = false;
+                    vm.onRemove(comment);
+                });
+            },
+            onAdd(comment){
+                if(this.flatComments[comment.id]){
+                    return;
+                }
+                const method = this.isChat ? 'push' : 'unshift';
+                if(comment.parent){
+                    this.flatComments[comment.parent].children[method](comment);
+                }
+                else{
+                    this.nodes[method](comment);
+                }
+                this.flatComments[comment.id] = comment;
+            },
+            onRemove(comment){
+                let comments = [];
+                if(comment.parent){
+                    comments = this.flatComments[comment.parent].children;
+                }
+                else{
+                    comments = this.nodes;
+                }
+                let index = comments.findIndex((c) => +c.id === +comment.id);
+                if(index === -1){
+                    return;
+                }
+                comments.splice(index, 1);
+                delete this.flatComments[comment.id];
+            },
+            connectToPusher(){
+                let vm = this;
+                // Enable pusher logging - don't include this in production
+                Pusher.logToConsole = true;
+
+                let pusher = new Pusher(this.$root.store.pusherKey, {
+                  cluster: 'eu',
+                  encrypted: true
+                });
+
+                let channel = pusher.subscribe('comments_' + this.objType + '_' + this.objId);
+                channel.bind('add', this.onAdd);
+                channel.bind('delete', this.onRemove);
+            }
+        },
+        mounted() {
+            let vm = this;
+            this.loading = true;
+            let request = api.getObjComments(this.objId, this.objType, this.isChat ? 'update_at' : '-update_at');
+            request
+                .then((response) => {
+                    vm.loading = false;
+                    vm.nodes = response.data;
+                    vm.connectToPusher();
+                })
+                .catch(() => {
+                    vm.loading = false;
+                });
+        },
+        components: {
+            Comment,
+            CommentForm
+        }
+    }
+</script>
+
diff --git a/web/src/components/ContestRedactor.vue b/web/src/components/ContestRedactor.vue
index 41820a66..a0cffc9d 100644
--- a/web/src/components/ContestRedactor.vue
+++ b/web/src/components/ContestRedactor.vue
@@ -66,45 +66,7 @@
       <div class="section__center center">
         <div class="kit">
           <div class="kit__body">
-            <vue-draggable v-model="contest.content" @start="drag=true" @end="drag=false" :options="{ handle: '.sortable__handle' }">
-              <div v-for="(block, index) in contest.content" :key="block.data.id ? block.data.id : block.data.guid">
-                <block-text v-if="block.type === 'text'"
-                            :index="index"
-                            :title.sync="block.data.title"
-                            :text.sync="block.data.text"
-                            v-on:remove="onBlockRemoved"
-                            :access-token="accessToken"/>
-                <block-image-text v-if="block.type === 'image-text'"
-                                  :index="index"
-                                  :title.sync="block.data.title"
-                                  :text.sync="block.data.text"
-                                  :image-id.sync="block.data.image_id"
-                                  :image-url.sync="block.data.image_url"
-                                  v-on:remove="onBlockRemoved"
-                                  :access-token="accessToken"/>
-                <block-image v-if="block.type === 'image'"
-                             :index="index"
-                             :title.sync="block.data.title"
-                             :image-id.sync="block.data.image_id"
-                             :image-url.sync="block.data.image_url"
-                             v-on:remove="onBlockRemoved"
-                             :access-token="accessToken"/>
-                <block-images v-if="block.type === 'images'"
-                              :index="index"
-                              :title.sync="block.data.title"
-                              :text.sync="block.data.text"
-                              :images.sync="block.data.images"
-                              v-on:remove="onBlockRemoved"
-                              :access-token="accessToken"/>
-                <block-video v-if="block.type === 'video'"
-                             :index="index"
-                             :title.sync="block.data.title"
-                             v-on:remove="onBlockRemoved"
-                             :video-url.sync="block.data.video_url"/>
-              </div>
-            </vue-draggable>
-
-            <block-add v-on:added="onBlockAdded"/>
+            <block-content :content.sync="contest.content"></block-content>
           </div>
         </div>
       </div>
@@ -113,15 +75,9 @@
 </template>
 
 <script>
-    import BlockText from './blocks/BlockText'
-    import BlockImage from './blocks/BlockImage'
-    import BlockImages from './blocks/BlockImages'
-    import BlockImageText from './blocks/BlockImageText'
-    import BlockVideo from './blocks/BlockVideo'
-    import BlockAdd from "./blocks/BlockAdd";
     import {api} from "../js/modules/api";
     import DatePicker from 'vuejs-datepicker';
-    import Draggable from 'vuedraggable';
+    import BlockContent from './blocks/BlockContent'
     import slugify from 'slugify';
     import {required, minValue, numeric, url } from 'vuelidate/lib/validators'
     import _ from 'lodash';
@@ -175,18 +131,6 @@
         }
       },
       methods: {
-        onBlockRemoved(blockIndex) {
-          const blockToRemove = this.contest.content[blockIndex];
-          // Удаляем блок из Vue
-          this.contest.content.splice(blockIndex, 1);
-          // Если блок уже был записан в БД, отправляем запрос на сервер на удаление блока из БД
-          if (blockToRemove.data.id) {
-            api.removeContentBlock(blockToRemove, this.accessToken);
-          }
-        },
-        onBlockAdded(blockData) {
-          this.contest.content.push(blockData);
-        },
         onTitleInput() {
            this.$v.contest.title.$touch();
           if (!this.slugChanged) {
@@ -219,7 +163,7 @@
             id: data.id,
             title: data.title,
             description: data.description,
-            content: api.convertContentResponse(data.content),
+            content: api.convertContentJson(data.content),
             date_start: data.date_start,
             date_end: data.date_end,
             slug: data.slug,
@@ -252,70 +196,7 @@
           data.date_start = data.date_start ? moment(data.date_start).format('MM-DD-YYYY') : null;
           data.date_end = data.date_end ? moment(data.date_end).format('MM-DD-YYYY') : null;
           data.cover = this.contest.coverImageId || '';
-          data.content = this.contest.content.map((block, index) => {
-            if (block.type === 'text') {
-              return {
-                'type': 'text',
-                'data': {
-                  'id': block.data.id ? block.data.id : null,
-                  'uuid': block.uuid,
-                  'position': ++index,
-                  'title': block.data.title,
-                  'txt': block.data.text,
-                }
-              }
-            } else if (block.type === 'image') {
-              return {
-                'type': 'image',
-                'data': {
-                  'id': block.data.id ? block.data.id : null,
-                  'uuid': block.uuid,
-                  'position': ++index,
-                  'title': block.data.title,
-                  'img': block.data.image_id,
-                }
-              }
-            } else if (block.type === 'image-text') {
-              return {
-                'type': 'image-text',
-                'data': {
-                  'id': block.data.id ? block.data.id : null,
-                  'uuid': block.uuid,
-                  'position': ++index,
-                  'title': block.data.title,
-                  'img': block.data.image_id,
-                  'txt': block.data.text,
-                }
-              }
-            } else if (block.type === 'images') {
-              return {
-                'type': 'images',
-                'data': {
-                  'id': block.data.id ? block.data.id : null,
-                  'uuid': block.uuid,
-                  'position': ++index,
-                  'title': block.data.title,
-                  'images': block.data.images.map((galleryImage) => {
-                    return {
-                      'id': galleryImage.id ? galleryImage.id : null,
-                      'img': galleryImage.img,
-                    }
-                  }),
-                }
-              }
-            } else if (block.type === 'video') {
-              return {
-                'type': 'video',
-                'data': {
-                  'id': block.data.id ? block.data.id : null,
-                  'uuid': block.uuid,
-                  'position': ++index,
-                  'title': block.data.title,
-                  'url': block.data.video_url,
-                }
-              }
-            }
-          });
+          data.content = api.convertContentJson(this.contest.content, true);
 
           const request = this.contest.id
             ? api.put(`/api/v1/contests/${this.contest.id}/`, data, {
@@ -343,15 +224,8 @@
         }
       },
       components: {
-        BlockAdd,
+        BlockContent,
         'vue-datepicker': DatePicker,
-        'block-text': BlockText,
-        'block-image': BlockImage,
-        'block-image-text': BlockImageText,
-        'block-images': BlockImages,
-        'block-video': BlockVideo,
-        'vue-draggable': Draggable,
-
       }
     };
 </script>
diff --git a/web/src/components/CourseRedactor.vue b/web/src/components/CourseRedactor.vue
index b3703785..767a4254 100644
--- a/web/src/components/CourseRedactor.vue
+++ b/web/src/components/CourseRedactor.vue
@@ -37,10 +37,8 @@
                      v-bind:class="{ error: ($v.course.short_description.$dirty || showErrors) && $v.course.short_description.$invalid }">
                   <div class="field__label">{{titles.shortDescription}}</div>
                   <div class="field__wrap">
-                    <textarea class="field__textarea"
-                              v-autosize="course.short_description"
-                              @input="$v.course.short_description.$touch()"
-                              v-model="course.short_description"></textarea>
+                    <vue-redactor :value="course.short_description"
+                                  v-on:update:value="(value) => { this.course.short_description = value; }" />
                   </div>
                 </div>
               </div>
@@ -49,7 +47,7 @@
                      v-bind:class="{ error: ($v.course.category.$dirty || showErrors) && $v.course.category.$invalid }">
                   <div class="field__label field__label_gray">КАТЕГОРИЯ</div>
                   <div class="field__wrap">
-                    <lil-select :value.sync="categorySelect" :options="categoryOptions"
+                    <lil-select :value.sync="course.category" :options="categoryOptions"
                                 placeholder="Выберите категорию"/>
                   </div>
                 </div>
@@ -113,6 +111,13 @@
                     <button disabled class="field__append">руб.</button>
                   </div>
                 </div>
+                <div v-if="!live" class="info__field field">
+                  <div class="field__label field__label_gray">ВОЗРАСТ</div>
+                  <div class="field__wrap">
+                    <lil-select :value.sync="course.age" :options="ages" value-key="value"
+                                placeholder="Выберите возраст"/>
+                  </div>
+                </div>
                 <label v-if="me && !live && me.role === ROLE_ADMIN" class="info__switch switch switch_lg">
                   <input type="checkbox" class="switch__input" v-model="course.is_featured">
                   <span class="switch__content">Выделить</span>
@@ -166,45 +171,7 @@
                 </button>
               </div>
               <div v-if="viewSection === 'course'" class="kit__body">
-                <vue-draggable v-model="course.content" @start="drag=true" @end="drag=false" :options="{ handle: '.sortable__handle' }">
-                  <div v-for="(block, index) in course.content" :key="block.data.id ? block.data.id : block.data.guid">
-                    <block-text v-if="block.type === 'text'"
-                                :index="index"
-                                :title.sync="block.data.title"
-                                :text.sync="block.data.text"
-                                v-on:remove="onBlockRemoved"
-                                :access-token="accessToken"/>
-                    <block-image-text v-if="block.type === 'image-text'"
-                                      :index="index"
-                                      :title.sync="block.data.title"
-                                      :text.sync="block.data.text"
-                                      :image-id.sync="block.data.image_id"
-                                      :image-url.sync="block.data.image_url"
-                                      v-on:remove="onBlockRemoved"
-                                      :access-token="accessToken"/>
-                    <block-image v-if="block.type === 'image'"
-                                 :index="index"
-                                 :title.sync="block.data.title"
-                                 :image-id.sync="block.data.image_id"
-                                 :image-url.sync="block.data.image_url"
-                                 v-on:remove="onBlockRemoved"
-                                 :access-token="accessToken"/>
-                    <block-images v-if="block.type === 'images'"
-                                  :index="index"
-                                  :title.sync="block.data.title"
-                                  :text.sync="block.data.text"
-                                  :images.sync="block.data.images"
-                                  v-on:remove="onBlockRemoved"
-                                  :access-token="accessToken"/>
-                    <block-video v-if="block.type === 'video'"
-                                 :index="index"
-                                 :title.sync="block.data.title"
-                                 v-on:remove="onBlockRemoved"
-                                 :video-url.sync="block.data.video_url"/>
-                  </div>
-                </vue-draggable>
-
-                <block-add v-on:added="onBlockAdded"/>
+                <block-content :content.sync="course.content"></block-content>
 
                 <!--<div class="kit__foot">
                   <button type="submit" class="kit__submit btn btn_md" v-bind:class="{ loading: courseSaving }">
@@ -236,7 +203,7 @@
                         </div>
                         <div class="lessons__subtitle subtitle">{{ lesson.title }}</div>
                         <div class="lessons__row">
-                          <div class="lessons__content">{{ lesson.short_description | linebreaks }}</div>
+                          <div class="lessons__content" v-html="lesson.short_description"></div>
                         </div>
                       </div>
                   </vue-draggable>
@@ -269,15 +236,11 @@
     import { ROLE_ADMIN, ROLE_AUTHOR } from './consts'
     import LinkInput from './inputs/LinkInput'
     import DatePicker from 'vuejs-datepicker'
-    import BlockText from './blocks/BlockText'
-    import BlockImage from './blocks/BlockImage'
-    import BlockImages from './blocks/BlockImages'
-    import BlockImageText from './blocks/BlockImageText'
-    import BlockVideo from './blocks/BlockVideo'
+    import BlockContent from './blocks/BlockContent'
+    import VueRedactor from './redactor/VueRedactor';
     import LilSelect from "./inputs/LilSelect";
     import LessonRedactor from "./LessonRedactor";
     import {api} from "../js/modules/api";
-    import BlockAdd from "./blocks/BlockAdd";
     import $ from 'jquery';
     import {required, minValue, numeric, url } from 'vuelidate/lib/validators'
     import slugify from 'slugify';
@@ -312,6 +275,7 @@
                     duration: null,
                     author: null,
                     price: null,
+                    age: 0,
                     url: '',
                     coverImage: '',
                     kit__body: null,
@@ -376,6 +340,40 @@
                         'value': '18:00',
                     }
                 ],
+                ages: [
+                    {
+                        'title': 'Любой возраст',
+                        'value': 0,
+                    },
+                    {
+                        'title': 'до 5',
+                        'value': 1,
+                    },
+                    {
+                        'title': '5-7',
+                        'value': 2,
+                    },
+                    {
+                        'title': '7-9',
+                        'value': 3,
+                    },
+                    {
+                        'title': '9-12',
+                        'value': 4,
+                    },
+                    {
+                        'title': '12-15',
+                        'value': 5,
+                    },
+                    {
+                        'title': '15-18',
+                        'value': 6,
+                    },
+                    {
+                        'title': 'от 18',
+                        'value': 7,
+                    },
+                ],
 
                 weekdays: [
                     '',
@@ -484,27 +482,6 @@
                     this.course.url = slugify(this.course.title);
                 }
             },
-            updateCategory() {
-                if (this.categoryOptions && Array.isArray(this.categoryOptions) && this.course.category) {
-                    this.categoryOptions.forEach((category) => {
-                        if (category.id === this.course.category) {
-                            this.course.categorySelect = category;
-                        }
-                    });
-                }
-            },
-            onBlockRemoved(blockIndex) {
-                const blockToRemove = this.course.content[blockIndex];
-                // Удаляем блок из Vue
-                this.course.content.splice(blockIndex, 1);
-                // Если блок уже был записан в БД, отправляем запрос на сервер на удаление блока из БД
-                if (blockToRemove.data.id) {
-                    api.removeContentBlock(blockToRemove, this.accessToken);
-                }
-            },
-            onBlockAdded(blockData) {
-                this.course.content.push(blockData);
-            },
             removeLesson(lessonIndex) {
                 if (!confirm('Вы действительно хотите удалить этот урок?')) {
                     return;
@@ -518,18 +495,18 @@
             },
             editLesson(lessonIndex) {
                 this.currentLesson = this.lessons[lessonIndex];
-                history.push("/course/create/lessons/edit/"+this.currentLesson.id);
+                history.push(`/course/${this.course.id}/lessons/${this.currentLesson.id}/edit`);
                 this.viewSection = 'lessons-edit';
             },
             showCourse() {
                 if (this.viewSection !== 'course') {
-                  history.push("/course/create");
+                  history.push(this.course.id ? `/course/${this.course.id}/edit` : "/course/create");
                 }
                 this.viewSection = 'course'
             },
             showLessons() {
                 if (this.viewSection !== 'lessons') {
-                  history.push("/course/create/lessons");
+                  history.push(`/course/${this.course.id}/edit/lessons`);
                 }
                 this.viewSection = 'lessons';
             },
@@ -540,7 +517,7 @@
                     content: [],
                 };
                 if (this.viewSection !== 'lessons-edit') {
-                    history.push("/course/create/lessons/new");
+                    history.push(`/course/${this.course.id}/lessons/new`);
                 }
                 this.viewSection = 'lessons-edit';
                 window.scrollTo(0, 0);
@@ -613,7 +590,7 @@
                 return req;
             },
             goToLessons() {
-                history.push("/course/create/lessons");
+                history.push(`/course/${this.course.id}/edit/lessons`);
                 this.viewSection = 'lessons';
                 this.$nextTick(() => {
                     const elementTop = $('#course-redactor__nav').position().top - 130;
@@ -868,18 +845,17 @@
             },
             updateViewSection(location, action) {
                 //console.log('updateViewSection[action]', action);
-                if (location.pathname === '/course/create/lessons') {
+                if (location.pathname.match(/course\/\d+\/edit\/lessons/)) {
                     this.viewSection = 'lessons';
-                } else if (location.pathname === '/course/create') {
-                    this.viewSection = 'course';
-                } else if (location.pathname === '/course/create/lessons/new') {
+                } else if (location.pathname.match(/course\/\d+\/lessons\/new/)){
                     this.viewSection = 'lessons-edit';
-                } else if (location.pathname.indexOf('/course/create/lessons/edit') !== -1) {
-                    let lessonId = parseInt(location.pathname.split('/').pop());
-                    //console.log('lessonId', lessonId, this.lessons.toString());
-                    //console.log('lessod edit', this.lessons.find((i)=>{return i.id === lessonId}));
+                } else if (location.pathname.match(/course\/\d+\/lessons\/\d+\/edit/)) {
+                    // let lessonId = parseInt(location.pathname.split('/').pop());
+                    const lessonId = +location.pathname.match(/lessons\/(\d+)\/edit/)[1];
                     this.currentLesson = this.lessons.find((i)=>{return i.id === lessonId});
                     this.viewSection = 'lessons-edit';
+                } else {
+                    this.viewSection = 'course';
                 }
             },
             onLessonsChanged() {
@@ -941,14 +917,8 @@
             promises.push(cats);
             cats.then((response) => {
                     if (response.data) {
-                        this.categoryOptions = response.data.results.map((category) => {
-                            return {
-                                title: category.title,
-                                value: category.id
-                            }
-                        });
+                        this.categoryOptions = response.data.results;
                     }
-                    this.updateCategory();
                 });
 
             if(this.live) {
@@ -988,7 +958,6 @@
 
                             this.scheduleOptions = _.orderBy(options, (item)=>{return moment(item.value)});
                         }
-                        this.updateCategory();
                     });
             }
 
@@ -1059,23 +1028,6 @@
                     this.course.price = value || 0;
                 }
             },
-            categorySelect: {
-                get() {
-                    if (!this.categoryOptions || this.categoryOptions.length === 0 || !this.course || !this.course.category) {
-                        return null;
-                    }
-                    let value;
-                    this.categoryOptions.forEach((category) => {
-                        if (category.value === this.course.category) {
-                            value = category;
-                        }
-                    });
-                    return value;
-                },
-                set(value) {
-                    this.course.category = value.value;
-                }
-            },
             // userSelect: {
             //     get() {
             //         if (!this.users || this.users.length === 0 || !this.course || !this.course.author) {
@@ -1127,19 +1079,14 @@
 
         },
         components: {
-            BlockAdd,
             LessonRedactor,
             LilSelect,
-            BlockText,
+            BlockContent,
             'link-input': LinkInput,
             'vue-datepicker': DatePicker,
-            'block-text': BlockText,
-            'block-image': BlockImage,
-            'block-image-text': BlockImageText,
-            'block-images': BlockImages,
-            'block-video': BlockVideo,
             'lesson-redactor': LessonRedactor,
             'vue-draggable': Draggable,
+            'vue-redactor': VueRedactor,
         }
     }
 </script>
@@ -1240,9 +1187,10 @@
     overflow: scroll;
   }
 
-  .field_short_description {
+  .field_short_description .redactor-box {
+    overflow-x: visible;
+    overflow-y: auto;
     max-height: 200px;
-    overflow: scroll;
   }
 </style>
 
diff --git a/web/src/components/LessonRedactor.vue b/web/src/components/LessonRedactor.vue
index a0a245e2..de458e55 100644
--- a/web/src/components/LessonRedactor.vue
+++ b/web/src/components/LessonRedactor.vue
@@ -27,50 +27,14 @@
               <div class="kit__field field"
                    v-bind:class="{ error: $v.currentLesson.short_description.$invalid }">
                 <div class="field__wrap">
-                  <textarea class="field__input" v-autosize="lesson.short_description" placeholder="Описание урока" v-model="lesson.short_description"></textarea>
+                  <vue-redactor :value="lesson.short_description"
+                                  v-on:update:value="(value) => { this.lesson.short_description = value; }" placeholder="Описание урока"/>
                 </div>
               </div>
             </div>
           </div>
         </div>
-        <vue-draggable v-model="lesson.content" @start="drag=true" @end="drag=false" :options="{ handle: '.sortable__handle' }">
-          <div v-for="(block, index) in lesson.content">
-            <block-text v-if="block.type === 'text'"
-                        :index="index"
-                        :title.sync="block.data.title"
-                        :text.sync="block.data.text"
-                        v-on:remove="onBlockRemoved"
-                        :access-token="accessToken"/>
-            <block-image-text v-if="block.type === 'image-text'"
-                              :index="index"
-                              :title.sync="block.data.title"
-                              :text.sync="block.data.text"
-                              :image-id.sync="block.data.image_id"
-                              :image-url.sync="block.data.image_url"
-                              v-on:remove="onBlockRemoved"
-                              :access-token="accessToken"/>
-            <block-image v-if="block.type === 'image'"
-                         :index="index"
-                         :title.sync="block.data.title"
-                         :image-id.sync="block.data.image_id"
-                         :image-url.sync="block.data.image_url"
-                         v-on:remove="onBlockRemoved"
-                         :access-token="accessToken"/>
-            <block-images v-if="block.type === 'images'"
-                          :index="index"
-                          :title.sync="block.data.title"
-                          :text.sync="block.data.text"
-                          :images.sync="block.data.images"
-                          v-on:remove="onBlockRemoved"
-                          :access-token="accessToken"/>
-            <block-video v-if="block.type === 'video'"
-                         :index="index"
-                         :title.sync="block.data.title"
-                         v-on:remove="onBlockRemoved"
-                         :video-url.sync="block.data.video_url"/>
-          </div>
-        </vue-draggable>
-        <block-add v-on:added="onBlockAdded" />
+        <block-content :content.sync="lesson.content"></block-content>
 
         <div class="kit__foot">
           <button class="kit__submit btn btn_md" v-bind:class="{ loading: saving }">Сохранить</button>
@@ -81,13 +45,9 @@
 </template>
 
 <script>
-    import BlockAdd from "./blocks/BlockAdd";
-    import BlockText from './blocks/BlockText'
-    import BlockImage from './blocks/BlockImage'
-    import BlockImages from './blocks/BlockImages'
-    import BlockImageText from './blocks/BlockImageText'
-    import BlockVideo from './blocks/BlockVideo'
+    import BlockContent from './blocks/BlockContent'
     import LilImage from "./blocks/Image"
+    import VueRedactor from './redactor/VueRedactor';
     import {api} from "../js/modules/api";
     import Draggable from 'vuedraggable';
     import _ from 'lodash'
@@ -99,20 +59,6 @@
             goBack() {
                 this.$emit('back');
             },
-            onBlockAdded(blockData) {
-                this.lesson.content.push(blockData);
-                this.$emit('update:lesson', this.lesson);
-            },
-            onBlockRemoved(blockIndex) {
-                const blockToRemove = this.lesson.content[blockIndex];
-                // Удаляем блок из Vue
-                this.lesson.content.splice(blockIndex, 1);
-                this.$emit('update:lesson', this.lesson);
-                // Если блок уже был записан в БД, отправляем запрос на сервер на удаление блока из БД
-                if (blockToRemove.data.id) {
-                    api.removeContentBlock(blockToRemove, this.accessToken);
-                }
-            },
             onUpdateCoverUrl(newValue) {
                 this.lesson.coverImage = newValue;
             },
@@ -126,14 +72,9 @@
             }
         },
         components: {
-            BlockAdd,
-            'block-text': BlockText,
-            'block-image': BlockImage,
-            'block-image-text': BlockImageText,
-            'block-images': BlockImages,
-            'block-video': BlockVideo,
-            'vue-draggable': Draggable,
+            BlockContent,
             'lil-image': LilImage,
+            'vue-redactor': VueRedactor,
         }
     }
 </script>
diff --git a/web/src/components/blocks/BlockContent.vue b/web/src/components/blocks/BlockContent.vue
new file mode 100644
index 00000000..cc4a87ce
--- /dev/null
+++ b/web/src/components/blocks/BlockContent.vue
@@ -0,0 +1,93 @@
+<template>
+  <div>
+  <vue-draggable :list="content" @start="drag=true" @end="drag=false" :options="{ handle: '.sortable__handle' }">
+    <div v-for="(block, index) in content" :key="block.id ? block.id : block.uuid">
+      <block-text v-if="block.type === 'text'"
+                  :index="index"
+                  :title.sync="block.data.title"
+                  :text.sync="block.data.text"
+                  v-on:remove="onBlockRemoved"/>
+      <block-image-text v-if="block.type === 'image-text'"
+                        :index="index"
+                        :title.sync="block.data.title"
+                        :text.sync="block.data.text"
+                        :image-id.sync="block.data.image_id"
+                        :image-url.sync="block.data.image_thumbnail_url"
+                        v-on:remove="onBlockRemoved"
+                        :access-token="$root.store.accessToken"/>
+      <block-image v-if="block.type === 'image'"
+                   :index="index"
+                   :title.sync="block.data.title"
+                   :image-id.sync="block.data.image_id"
+                   :image-url.sync="block.data.image_thumbnail_url"
+                   v-on:remove="onBlockRemoved"
+                   :access-token="$root.store.accessToken"/>
+      <block-images v-if="block.type === 'images'"
+                    :index="index"
+                    :title.sync="block.data.title"
+                    :text.sync="block.data.text"
+                    :images.sync="block.data.images"
+                    v-on:remove="onBlockRemoved"
+                    :access-token="$root.store.accessToken"/>
+      <block-video v-if="block.type === 'video'"
+                   :index="index"
+                   :title.sync="block.data.title"
+                   v-on:remove="onBlockRemoved"
+                   :video-url.sync="block.data.video_url"/>
+    </div>
+  </vue-draggable>
+
+  <block-add v-on:added="onBlockAdded"/>
+  </div>
+</template>
+
+<script>
+    import {api} from "../../js/modules/api";
+    import Draggable from 'vuedraggable';
+    import BlockText from './BlockText'
+    import BlockImage from './BlockImage'
+    import BlockImages from './BlockImages'
+    import BlockImageText from './BlockImageText'
+    import BlockVideo from './BlockVideo'
+    import BlockAdd from "./BlockAdd"
+
+    export default {
+        name: 'block-content',
+        props: ['content'],
+        methods: {
+            onBlockRemoved(blockIndex) {
+                const remove = () => {
+                    // Удаляем блок из Vue
+                    content.splice(blockIndex, 1);
+                    this.$emit('update:content', content);
+                }
+                const content = this.content;
+                const blockToRemove = this.content[blockIndex];
+                // Если блок уже был записан в БД, отправляем запрос на сервер на удаление блока из БД
+                if (blockToRemove.data.id) {
+                    api.removeContentBlock(blockToRemove, this.$root.store.accessToken).then(response => {
+                        remove();
+                    });
+                }
+                else {
+                    remove();
+                }
+            },
+            onBlockAdded(blockData) {
+              const content = this.content;
+              content.push(blockData);
+              this.$emit('update:content', content);
+            },
+        },
+
+        components: {
+            BlockAdd,
+            'block-text': BlockText,
+            'block-image': BlockImage,
+            'block-image-text': BlockImageText,
+            'block-images': BlockImages,
+            'block-video': BlockVideo,
+            'vue-draggable': Draggable,
+        }
+    }
+</script>
diff --git a/web/src/components/blocks/BlockImages.vue b/web/src/components/blocks/BlockImages.vue
index a99576b6..80f3a8ab 100644
--- a/web/src/components/blocks/BlockImages.vue
+++ b/web/src/components/blocks/BlockImages.vue
@@ -23,7 +23,7 @@
     </div>
     <div class="kit__gallery">
       <div class="kit__preview" v-for="(image, index) in images" v-bind:class="{ 'kit__preview--loading': image.loading }">
-        <img :src="image.src" class="kit__pic">
+        <img :src="image.image_thumbnail_url" class="kit__pic">
         <button type="button" @click="onRemoveImage(index)">
           <svg class="icon icon-delete">
             <use xlink:href="/static/img/sprite.svg#icon-delete"></use>
@@ -66,12 +66,12 @@
                         api.uploadImage(reader.result, this.accessToken)
                             .then((response) => {
                                 let images = this.images;
-                                console.log('images before', JSON.stringify(images));
                                 images.forEach((image, index) => {
                                     if (image.src === reader.result) {
-                                        images[index].img = response.data.id;
+                                        images[index].image_id = response.data.id;
                                         images[index].loading = false;
-                                        images[index].src = response.data.image;
+                                        images[index].image_url = response.data.image;
+                                        images[index].image_thumbnail_url = response.data.image_thumbnail;
                                     }
                                 });
                                 console.log('images after', JSON.stringify(images));
@@ -91,12 +91,14 @@
             },
             onRemoveImage(index) {
                 let images = this.images;
-                let id = images[index].img;
-                images.splice(index, 1);
-                this.$emit('update:images', images);
+                let id = images[index].image_id;
 
-                api.removeImage(id, this.accessToken);
+                api.removeImage(id, this.accessToken)
+                    .then(response => {
+                        images.splice(index, 1);
+                        this.$emit('update:images', images);
+                    });
             }
         }
     }
-</script>
\ No newline at end of file
+</script>
diff --git a/web/src/components/blocks/Image.vue b/web/src/components/blocks/Image.vue
index 527df9f1..81436fbf 100644
--- a/web/src/components/blocks/Image.vue
+++ b/web/src/components/blocks/Image.vue
@@ -18,6 +18,7 @@
         data() {
             return {
                 loading: false,
+
             }
         },
         methods: {
@@ -45,7 +46,7 @@
                                 .then((response) => {
                                     this.loading = false;
                                     this.$emit('update:imageId', response.data.id);
-                                    this.$emit('update:imageUrl', response.data.image);
+                                    this.$emit('update:imageUrl', response.data.image_thumbnail);
                                 })
                                 .catch((error) => {
                                     this.loading = false;
diff --git a/web/src/components/inputs/LilSelect.vue b/web/src/components/inputs/LilSelect.vue
index 7fd19d60..182f2d2e 100644
--- a/web/src/components/inputs/LilSelect.vue
+++ b/web/src/components/inputs/LilSelect.vue
@@ -4,8 +4,9 @@
       {{ selectedTitle }}
     </div>
     <div class="select__drop">
-      <div v-for="option in options" :class="{ select__option: true, active: value && option.value == value.value }" @click.stop.prevent="selectOption(option)">
-        <div class="select__title">{{ option.title }}</div>
+      <div v-for="option in options" :class="{ select__option: true, active: option[vk] == selectedValue }"
+           @click.stop.prevent="selectOption(option)">
+        <div class="select__title">{{ option[tk] }}</div>
       </div>
     </div>
   </div>
@@ -14,11 +15,14 @@
 <script>
     export default {
         name: "lil-select",
-        props: ["options", "value", "valueKey", "placeholder"],
+        props: ["options", "value", "titleKey", "valueKey", "isObj", "placeholder"],
         data() {
             return {
-                key: this.valueKey ? this.valueKey : 'title',
+                tk: this.titleKey || 'title',
+                vk: this.valueKey || 'id',
                 isOpened: false,
+                selected: null,
+                optionsDict: {},
             }
         },
         methods: {
@@ -30,22 +34,30 @@
             },
             selectOption(option) {
                 this.isOpened = !this.isOpened;
-                this.$emit('update:value', option);
+                this.$emit('update:value', this.isObj ? option : option[this.vk]);
+                this.selected = option;
             }
         },
         mounted() {
             document.addEventListener("click", this.clickListener);
+            this.options.forEach((option) => {
+                this.optionsDict[option[this.vk]] = option;
+            });
+            this.selected = this.optionsDict[this.selectedValue];
         },
         destroyed() {
             document.removeEventListener("click", this.clickListener);
         },
         computed: {
             isSelected() {
-                return this.value && this.value[this.key] ? true : false;
+                return !!this.selected;
+            },
+            selectedValue() {
+                return this.isObj ? this.value && this.value[this.vk] : this.value;
             },
             selectedTitle() {
                 if (this.isSelected) {
-                    return this.value[this.key];
+                    return this.selected[this.tk];
                 }
                 return this.placeholder ? this.placeholder : '';
             }
@@ -55,4 +67,4 @@
 
 <style scoped>
 
-</style>
\ No newline at end of file
+</style>
diff --git a/web/src/components/redactor/VueRedactor.vue b/web/src/components/redactor/VueRedactor.vue
index e575aec6..1b99545b 100644
--- a/web/src/components/redactor/VueRedactor.vue
+++ b/web/src/components/redactor/VueRedactor.vue
@@ -7,7 +7,7 @@
     import './redactor-full.js';
 
     export default {
-        props: ['value', 'placeholder'],
+        props: ['value', 'placeholder', 'air', 'buttonsHide'],
         name: "vue-redactor",
         data() {
             return {
@@ -18,7 +18,7 @@
             const me = this;
             $(me.$refs.input).redactor({
                 air: true,
-                buttonsHide: ['image', 'format'],
+                buttonsHide: this.buttonsHide || ['image', 'format'],
                 lang: 'ru',
                 placeholder: this.placeholder,
                 callbacks: {
diff --git a/web/src/js/app.js b/web/src/js/app.js
index 69f737c7..f72d6767 100644
--- a/web/src/js/app.js
+++ b/web/src/js/app.js
@@ -15,6 +15,7 @@ import "./modules/tabs";
 import "./modules/popup";
 import "./modules/courses";
 import "./modules/comments";
+import "./modules/comments";
 import "./modules/password-show";
 import "./modules/profile";
 import "./modules/notification";
@@ -24,17 +25,29 @@ import "../sass/app.sass";
 
 import Vue from 'vue';
 import Vuelidate from 'vuelidate';
+import VueAutosize from '../components/directives/autosize'
+import Comments from '../components/Comments';
 import UploadContestWork from '../components/UploadContestWork.vue';
 import ContestWorks from '../components/ContestWorks.vue';
 import Likes from '../components/blocks/Likes.vue';
 
 Vue.use(Vuelidate);
+Vue.use(VueAutosize);
 
 if (process.env.NODE_ENV === 'development') {
   // Enable vue-devtools
   Vue.config.devtools = true;
 }
 
+const components = {
+  UploadContestWork,
+  ContestWorks,
+  Likes,
+  Comments,
+};
+
+Object.assign(components, window.LIL_STORE.components);
+
 const app = new Vue({
   el: '#lilcity-vue-app',
   data() {
@@ -42,9 +55,5 @@ const app = new Vue({
       store: window.LIL_STORE,
     }
   },
-  components: {
-    UploadContestWork,
-    ContestWorks,
-    Likes,
-  }
+  components: components
 });
diff --git a/web/src/js/contest-redactor.js b/web/src/js/contest-redactor.js
index a485cac6..afbbb193 100644
--- a/web/src/js/contest-redactor.js
+++ b/web/src/js/contest-redactor.js
@@ -1,19 +1,4 @@
-import Vue from 'vue'
-import Vuelidate from 'vuelidate'
-import VueAutosize from '../components/directives/autosize'
 import ContestRedactor from '../components/ContestRedactor.vue'
 
-if (process.env.NODE_ENV === 'development') {
-    // Enable vue-devtools
-    Vue.config.devtools = true;
-}
+window.LIL_STORE.components['contest-redactor'] = ContestRedactor;
 
-Vue.use(VueAutosize);
-Vue.use(Vuelidate);
-
-let app = new Vue({
-    el: '#lilcity-vue-app',
-    components: {
-        'contest-redactor': ContestRedactor,
-    }
-});
diff --git a/web/src/js/course-redactor.js b/web/src/js/course-redactor.js
index 91cad2cf..45b3c970 100644
--- a/web/src/js/course-redactor.js
+++ b/web/src/js/course-redactor.js
@@ -1,24 +1,8 @@
-import Vue from 'vue'
-import VueAutosize from '../components/directives/autosize'
-import Vuelidate from 'vuelidate'
 import 'babel-polyfill'
 import CourseRedactor from '../components/CourseRedactor.vue'
 import $ from 'jquery';
 
-if (process.env.NODE_ENV === 'development') {
-    // Enable vue-devtools
-    Vue.config.devtools = true;
-}
-
-Vue.use(VueAutosize);
-Vue.use(Vuelidate);
-
-let app = new Vue({
-    el: '#lilcity-vue-app',
-    components: {
-        'course-redactor': CourseRedactor,
-    }
-});
+window.LIL_STORE.components['course-redactor'] = CourseRedactor;
 
 $(document).ready(function () {
     $('#course-redactor__publish-button').on('click', function () {
@@ -29,4 +13,4 @@ $(document).ready(function () {
         let event = new Event('course_preview');
         document.getElementById('lilcity__course-redactor').dispatchEvent(event);
     });
-});
\ No newline at end of file
+});
diff --git a/web/src/js/modules/api.js b/web/src/js/modules/api.js
index 63c8412a..bc6f2292 100644
--- a/web/src/js/modules/api.js
+++ b/web/src/js/modules/api.js
@@ -108,6 +108,7 @@ export const api = {
             short_description: courseObject.short_description,
             category: courseObject.category,
             price: courseObject.is_paid && courseObject.price || 0,
+            age: courseObject.age,
             deferred_start_at: deferredStart,
             duration: courseObject.duration || 0,
             is_featured: courseObject.is_featured,
@@ -116,72 +117,9 @@ export const api = {
             stream: courseObject.stream,
             cover: courseObject.coverImageId ? courseObject.coverImageId : null,
             gallery: {
-                gallery_images: courseObject.gallery && courseObject.gallery.images ? courseObject.gallery.images : []
+                gallery_images: courseObject.gallery && courseObject.gallery.images || []
             },
-            content: courseObject.content.map((block, index) => {
-                if (block.type === 'text') {
-                    return {
-                        'type': 'text',
-                        'data': {
-                            'id': block.data.id ? block.data.id : null,
-                            'uuid': block.uuid,
-                            'position': ++index,
-                            'title': block.data.title,
-                            'txt': block.data.text,
-                        }
-                    }
-                } else if (block.type === 'image') {
-                    return {
-                        'type': 'image',
-                        'data': {
-                            'id': block.data.id ? block.data.id : null,
-                            'uuid': block.uuid,
-                            'position': ++index,
-                            'title': block.data.title,
-                            'img': block.data.image_id,
-                        }
-                    }
-                } else if (block.type === 'image-text') {
-                    return {
-                        'type': 'image-text',
-                        'data': {
-                            'id': block.data.id ? block.data.id : null,
-                            'uuid': block.uuid,
-                            'position': ++index,
-                            'title': block.data.title,
-                            'img': block.data.image_id,
-                            'txt': block.data.text,
-                        }
-                    }
-                } else if (block.type === 'images') {
-                    return {
-                        'type': 'images',
-                        'data': {
-                            'id': block.data.id ? block.data.id : null,
-                            'uuid': block.uuid,
-                            'position': ++index,
-                            'title': block.data.title,
-                            'images': block.data.images.map((galleryImage) => {
-                                return {
-                                    'id': galleryImage.id ? galleryImage.id : null,
-                                    'img': galleryImage.img,
-                                }
-                            }),
-                        }
-                    }
-                } else if (block.type === 'video') {
-                    return {
-                        'type': 'video',
-                        'data': {
-                            'id': block.data.id ? block.data.id : null,
-                            'uuid': block.uuid,
-                            'position': ++index,
-                            'title': block.data.title,
-                            'url': block.data.video_url,
-                        }
-                    }
-                }
-            }),
+            content: api.convertContentJson(courseObject.content, true),
         };
 
         if(courseObject.live) {
@@ -209,16 +147,70 @@ export const api = {
             short_description: lessonObject.short_description,
             course: lessonObject.course_id,
             position: lessonObject.position,
-            content: lessonObject.content.map((block, index) => {
+            content: api.convertContentJson(lessonObject.content, true),
+        };
+
+        if (isAdding) {
+            return api.addLesson(lessonJson, accessToken);
+        } else {
+            return api.updateLesson(lessonObject.id, lessonJson, accessToken);
+        }
+    },
+    convertLessonJson: (lessonJSON) => {
+        return {
+            id: lessonJSON.id,
+            title: lessonJSON.title,
+            short_description: lessonJSON.short_description,
+            coverImageId: lessonJSON.cover && lessonJSON.cover.id ? lessonJSON.cover.id : null,
+            coverImage: lessonJSON.cover && lessonJSON.cover.image ? lessonJSON.cover.image : null,
+            content: api.convertContentJson(lessonJSON.content),
+            position: lessonJSON.position,
+        }
+    },
+    convertCourseJson: (courseJSON) => {
+        let isDeferred = false;
+        let deferredDate = false;
+        let deferredTime = '';
+        if (courseJSON.deferred_start_at) {
+            let deferredDateTime = moment(courseJSON.deferred_start_at);
+            isDeferred = true;
+            deferredDate = deferredDateTime.format('MM-DD-YYYY');
+            deferredTime = deferredDateTime.format('HH:mm');
+        }
+        return {
+            id: courseJSON.id,
+            title: courseJSON.title,
+            status: courseJSON.status,
+            short_description: courseJSON.short_description,
+            category: courseJSON.category && courseJSON.category.id ? courseJSON.category.id : courseJSON.category,
+            author: courseJSON.author && courseJSON.author.id ? courseJSON.author.id : courseJSON.author,
+            price: parseFloat(courseJSON.price),
+            is_paid: parseFloat(courseJSON.price) > 0,
+            is_deferred: isDeferred,
+            date: deferredDate || courseJSON.date,
+            time: deferredTime ? {title: deferredTime, value: deferredTime} : null,
+            duration: courseJSON.duration,
+            is_featured: courseJSON.is_featured,
+            url: courseJSON.slug,
+            stream: courseJSON.stream,
+            coverImageId: courseJSON.cover && courseJSON.cover.id ? courseJSON.cover.id : null,
+            coverImage: courseJSON.cover && courseJSON.cover.image ? courseJSON.cover.image : null,
+            content: api.convertContentJson(courseJSON.content),
+            gallery: {images: (courseJSON.gallery) ? courseJSON.gallery.gallery_images:[]},
+        }
+    },
+    convertContentJson: (contentJson, forSaving) => {
+        if(forSaving){
+            return contentJson.map((block, index) => {
                 if (block.type === 'text') {
                     return {
                         'type': 'text',
                         'data': {
                             'id': block.data.id ? block.data.id : null,
+                            'uuid': block.uuid,
                             'position': ++index,
                             'title': block.data.title,
                             'txt': block.data.text,
-                            'uuid': block.uuid,
                         }
                     }
                 } else if (block.type === 'image') {
@@ -226,10 +218,10 @@ export const api = {
                         'type': 'image',
                         'data': {
                             'id': block.data.id ? block.data.id : null,
+                            'uuid': block.uuid,
                             'position': ++index,
                             'title': block.data.title,
                             'img': block.data.image_id,
-                            'uuid': block.uuid,
                         }
                     }
                 } else if (block.type === 'image-text') {
@@ -237,11 +229,11 @@ export const api = {
                         'type': 'image-text',
                         'data': {
                             'id': block.data.id ? block.data.id : null,
+                            'uuid': block.uuid,
                             'position': ++index,
                             'title': block.data.title,
                             'img': block.data.image_id,
                             'txt': block.data.text,
-                            'uuid': block.uuid,
                         }
                     }
                 } else if (block.type === 'images') {
@@ -249,15 +241,15 @@ export const api = {
                         'type': 'images',
                         'data': {
                             'id': block.data.id ? block.data.id : null,
+                            'uuid': block.uuid,
                             'position': ++index,
                             'title': block.data.title,
                             'images': block.data.images.map((galleryImage) => {
                                 return {
                                     'id': galleryImage.id ? galleryImage.id : null,
-                                    'img': galleryImage.img,
+                                    'img': galleryImage.image_id,
                                 }
                             }),
-                            'uuid': block.uuid,
                         }
                     }
                 } else if (block.type === 'video') {
@@ -265,66 +257,15 @@ export const api = {
                         'type': 'video',
                         'data': {
                             'id': block.data.id ? block.data.id : null,
+                            'uuid': block.uuid,
                             'position': ++index,
                             'title': block.data.title,
                             'url': block.data.video_url,
-                            'uuid': block.uuid,
                         }
                     }
                 }
-            }),
-        };
-
-        if (isAdding) {
-            return api.addLesson(lessonJson, accessToken);
-        } else {
-            return api.updateLesson(lessonObject.id, lessonJson, accessToken);
-        }
-    },
-    convertLessonJson: (lessonJSON) => {
-        return {
-            id: lessonJSON.id,
-            title: lessonJSON.title,
-            short_description: lessonJSON.short_description,
-            coverImageId: lessonJSON.cover && lessonJSON.cover.id ? lessonJSON.cover.id : null,
-            coverImage: lessonJSON.cover && lessonJSON.cover.image ? lessonJSON.cover.image : null,
-            content: api.convertContentResponse(lessonJSON.content),
-            position: lessonJSON.position,
+            });
         }
-    },
-    convertCourseJson: (courseJSON) => {
-        let isDeferred = false;
-        let deferredDate = false;
-        let deferredTime = '';
-        if (courseJSON.deferred_start_at) {
-            let deferredDateTime = moment(courseJSON.deferred_start_at);
-            isDeferred = true;
-            deferredDate = deferredDateTime.format('MM-DD-YYYY');
-            deferredTime = deferredDateTime.format('HH:mm');
-        }
-        return {
-            id: courseJSON.id,
-            title: courseJSON.title,
-            status: courseJSON.status,
-            short_description: courseJSON.short_description,
-            category: courseJSON.category && courseJSON.category.id ? courseJSON.category.id : courseJSON.category,
-            author: courseJSON.author && courseJSON.author.id ? courseJSON.author.id : courseJSON.author,
-            price: parseFloat(courseJSON.price),
-            is_paid: parseFloat(courseJSON.price) > 0,
-            is_deferred: isDeferred,
-            date: deferredDate || courseJSON.date,
-            time: deferredTime ? {title: deferredTime, value: deferredTime} : null,
-            duration: courseJSON.duration,
-            is_featured: courseJSON.is_featured,
-            url: courseJSON.slug,
-            stream: courseJSON.stream,
-            coverImageId: courseJSON.cover && courseJSON.cover.id ? courseJSON.cover.id : null,
-            coverImage: courseJSON.cover && courseJSON.cover.image ? courseJSON.cover.image : null,
-            content: api.convertContentResponse(courseJSON.content),
-            gallery: {images: (courseJSON.gallery) ? courseJSON.gallery.gallery_images:[]},
-        }
-    },
-    convertContentResponse: (contentJson) => {
         return contentJson.sort((a, b) => {
             if (a.position < b.position) {
                 return -1;
@@ -353,6 +294,7 @@ export const api = {
                         'title': contentItem.title,
                         'image_id': (contentItem.img) ? contentItem.img.id:null,
                         'image_url': (contentItem.img) ? contentItem.img.image:null,
+                        'image_thumbnail_url': (contentItem.img) ? contentItem.img.image_thumbnail:null,
                     }
                 }
             } else if (contentItem.type === 'image-text') {
@@ -364,6 +306,7 @@ export const api = {
                         'title': contentItem.title,
                         'image_id': (contentItem.img) ? contentItem.img.id:null,
                         'image_url': (contentItem.img) ? contentItem.img.image:null,
+                        'image_thumbnail_url': (contentItem.img) ? contentItem.img.image_thumbnail:null,
                         'text': contentItem.txt,
                     }
                 }
@@ -377,8 +320,9 @@ export const api = {
                         'images': contentItem.gallery_images.map((galleryImage) => {
                             return {
                                 'id': galleryImage.id,
-                                'img': galleryImage.img.id,
-                                'src': galleryImage.img.image,
+                                'image_id': galleryImage.img.id,
+                                'image_url': galleryImage.img.image,
+                                'image_thumbnail_url': galleryImage.img.image_thumbnail,
                             }
                         }),
                     }
@@ -509,5 +453,31 @@ export const api = {
                 'Authorization': `Token ${window.LIL_STORE.accessToken}`,
             }
         });
+    },
+    getObjComments: (objId, objType, ordering) => {
+        return api.get('/api/v1/obj-comments/', {
+            params: {
+              obj_id: objId,
+              obj_type: objType,
+              ordering: ordering || '',
+            }
+        });
+    },
+    addObjComment: (objId, objType, commentJson) => {
+        let data = commentJson;
+        data.obj_id = objId;
+        data.obj_type = objType;
+        return api.post('/api/v1/obj-comments/', data, {
+            headers: {
+                'Authorization': `Token ${window.LIL_STORE.accessToken}`,
+            }
+        });
+    },
+    removeObjComment: (commentId) => {
+        return api.delete(`/api/v1/obj-comments/${commentId}/`, {
+            headers: {
+                'Authorization': `Token ${window.LIL_STORE.accessToken}`,
+            }
+        });
     }
 };
diff --git a/web/src/js/modules/comments.js b/web/src/js/modules/comments.js
index 30b0a815..084b172f 100644
--- a/web/src/js/modules/comments.js
+++ b/web/src/js/modules/comments.js
@@ -62,3 +62,4 @@ $(document).ready(function () {
         form.find('.questions__reply-info').hide();
     }
 });
+
diff --git a/web/src/js/modules/courses.js b/web/src/js/modules/courses.js
index 1353ae43..9996167e 100644
--- a/web/src/js/modules/courses.js
+++ b/web/src/js/modules/courses.js
@@ -12,9 +12,12 @@ moment.locale('ru');
 const history = createHistory();
 
 $(document).ready(function () {
-    const currentCategory = $('div.js-select-option.active[data-category-option]').attr('data-category-name');
-    if(currentCategory) {
-        $('.js-select[data-category-select] .js-select-head').text(currentCategory);
+    const categoryName = $('div.js-select-option.active[data-category-option]').attr('data-category-name');
+    let category = $('div.js-select-option.active[data-category-option]').attr('data-category');
+    let age =  $('div.js-select-option.active[data-age-option]').data('age');
+    let page = 1;
+    if(category) {
+        $('.js-select[data-category-select] .js-select-head').text(categoryName);
     }
     // Обработчик отложенных курсов
     setInterval(() => {
@@ -29,17 +32,30 @@ $(document).ready(function () {
 
     // Обработчик кнопки "Подгрузить еще"
     $('.courses').on('click', 'button.load__btn', function () {
-        load_courses($(this).attr('data-next-page-url'), false);
+        page = $(this).attr('data-next-page');
+        loadCourses();
     });
 
     // Обработчик выбора категории
     $('div.js-select-option[data-category-option]').on('click', function (e) {
         e.preventDefault();
-        const currentCategory = $(this).attr('data-category-name');
+        const categoryName = $(this).attr('data-category-name');
         $('[data-category-name]').removeClass('active');
-        $(`[data-category-name='${currentCategory}']`).addClass('active');
-        history.replace($(this).attr('data-category-url'));
-        load_courses($(this).attr('data-category-url'), true);
+        $(`[data-category-name='${categoryName}']`).addClass('active');
+        category = $(this).attr('data-category');
+        page = 1;
+        loadCourses(true);
+    });
+
+    // Обработчик выбора возраста
+    $('div.js-select-option[data-age-option]').on('click', function (e) {
+        e.preventDefault();
+        const currentAge = $(this).attr('data-age-name');
+        $('[data-age-name]').removeClass('active');
+        $(`[data-age-name='${currentAge}']`).addClass('active');
+        age = $(this).attr('data-age');
+        page = 1;
+        loadCourses(true);
     });
 
     // Обработчик лайков
@@ -95,42 +111,50 @@ $(document).ready(function () {
                 }
             });
     })
-});
 
-function load_courses(coursesUrl, fromStart) {
-    $('.courses__list').css('opacity', '0.9');
-    const buttonElement = $('.courses').find('button.load__btn');
-    if (!fromStart) {
-        buttonElement.addClass('loading');
-    }
-    $.ajax(coursesUrl, {
-        method: 'GET'
-    })
-        .done(function (data) {
-            if (data.success === true) {
-                if (!fromStart) {
-                    $('.courses__list').append(data.content);
-                } else {
-                    $('.courses__list').html(data.content);
+    function loadCourses(replaceHistory) {
+        $('.courses__list').css('opacity', '0.9');
+        const buttonElement = $('.courses').find('button.load__btn');
+        let coursesUrl = window.LIL_STORE.urls.courses + '?' + $.param({
+                category: category,
+                age: age,
+            });
+        if (page > 1) {
+            buttonElement.addClass('loading');
+        }
+        else{
+            history.replace(coursesUrl);
+        }
+        coursesUrl += `&page=${page}`;
+        $.ajax(coursesUrl, {
+            method: 'GET'
+        })
+            .done(function (data) {
+                if (data.success === true) {
+                    if (page > 1) {
+                        $('.courses__list').append(data.content);
+                    } else {
+                        $('.courses__list').html(data.content);
+                    }
+                    if (data.next_url) {
+                        buttonElement.attr('data-next-page-url', data.next_url);
+                        buttonElement.show();
+                    } else {
+                        buttonElement.hide()
+                    }
                 }
-                if (data.next_url) {
-                    buttonElement.attr('data-next-page-url', data.next_url);
-                    buttonElement.show();
-                } else {
-                    buttonElement.hide()
+            })
+            .fail(function (xhr) {
+                if (xhr.status === 404) {
+                    // Нет результатов, скрываем кнопку
+                    buttonElement.hide();
                 }
-            }
-        })
-        .fail(function (xhr) {
-            if (xhr.status === 404) {
-                // Нет результатов, скрываем кнопку
-                buttonElement.hide();
-            }
-        })
-        .always(function () {
-            $('.courses__list').css('opacity', '1');
-            if (buttonElement) {
-                buttonElement.removeClass('loading');
-            }
-        });
-}
+            })
+            .always(function () {
+                $('.courses__list').css('opacity', '1');
+                if (buttonElement) {
+                    buttonElement.removeClass('loading');
+                }
+            });
+    }
+});
diff --git a/web/src/js/modules/popup.js b/web/src/js/modules/popup.js
index 4e455840..b6469075 100644
--- a/web/src/js/modules/popup.js
+++ b/web/src/js/modules/popup.js
@@ -1,6 +1,9 @@
 import $ from 'jquery';
+import moment from 'moment';
 import {api} from './api';
 
+moment.locale('ru');
+
 var selectedWeekdays = {};
 $(document).ready(function () {
     $(".js-video-modal").each(function(){
@@ -46,21 +49,12 @@ $(document).ready(function () {
         popup = $(data);
         showPopup();
 
-        let is_extend = false;
-
         if(data === '.js-popup-buy') {
             console.log('reset selected');
+            popup.data('date-start', $this.data('date-start') || '');
+            popup.data('day', $this.data('day') || '');
             $('[data-day]').prop('checked', false);
 
-            if ($this.text() === 'продлить') {
-                //data-purchased
-                //restore purchased selection
-                console.log('restore purchased');
-                $('[data-purchased]').each(function(){
-                    $('[data-day='+$(this).data('purchased')+']').prop('checked', true);
-                });
-                is_extend = true;
-            }
             if(! window.LIL_STORE.user.id) {
                 const $btn = popup.find('.buy__btn');
                 $btn.click(function(event) {
@@ -72,7 +66,30 @@ $(document).ready(function () {
                     });
                 });
             }
+
+            if ($this.data('prolong')) {
+                $('[data-day][data-purchased]').each(function(){
+                    $(this).prop('checked', true).prop('disabled', false);
+                });
+            }
+            else{
+                if($this.data('day')) {
+                    let day = $this.data('day');
+                    $('[data-day][data-purchased]').each(function(){
+                        $(this).prop('checked', false).prop('disabled', true);
+                    });
+                    $('[data-day='+day+']').prop('checked', true);
+                }
+                else{
+                    $('[data-day]').each(function(){
+                        $(this).prop('checked', true).prop('disabled', false);
+                    });
+                }
+            }
+
+            updateCart();
         }
+
         if( data === '.js-popup-auth') {
             let nextUrl = $this.data('auth-next-url');
             if(nextUrl === 'href') {
@@ -80,20 +97,6 @@ $(document).ready(function () {
             }
             popup.data('next-url', nextUrl);
         }
-
-        if($this.data('day')) {
-            let day = $this.data('day');
-            $('[data-day='+day+']').prop('checked', true);
-        }
-
-        if(!is_extend && !$this.data('day')) {
-            console.log('check all');
-            $('[data-day]').each(function(){
-                $(this).prop('checked', true);
-            });
-        }
-
-        updateCart();
     });
 
     $('.js-popup-close').on('click', function(e){
@@ -151,7 +154,10 @@ $(document).ready(function () {
     });
 
     function updateCart(){
+        var link = $('.but_btn_popup').data('link');
         var $orderPrice = $('.order_price_text');
+        var $orderDates = $('.order__dates');
+        var dateStart = popup.data('date-start');
         var days = ['', 'Понедельник', 'Вторник', 'Среда', 'Четверг', 'Пятница', 'Суббота', 'Воскресенье'];
         var weekdays = [], daysText = [];
         var $bonuses = $('.buy__bonuses');
@@ -167,7 +173,7 @@ $(document).ready(function () {
         });
 
         if(weekdays.length){
-            api.getPaymentAmount({ user: window.LIL_STORE.user.id, weekdays: weekdays })
+            api.getPaymentAmount({ user: window.LIL_STORE.user.id, weekdays: weekdays, date_start: dateStart})
             .then((response) => {
                 var text = '';
                 var amount = +response.data.amount;
@@ -183,15 +189,17 @@ $(document).ready(function () {
                     text = amount + 'p.';
                 }
                 $orderPrice.html(text);
+                $orderDates.text(moment(response.data.date_start).format('D MMM') + ' - ' + moment(response.data.date_end).format('D MMM'));
+                $('.but_btn_popup').attr('href', link+'?'+decodeURIComponent($.param({
+                  weekdays: weekdays,
+                  date_start: moment(response.data.date_start).format('YYYY-MM-DD'),
+                  use_bonuses: useBonuses || '',
+                }, true)));
             });
         }
         else {
             $orderPrice.html('0p.');
         }
 
-        $('.order__days').html((daysText.length) ? daysText.join(', '):'Ничего не выбрано');
-        var link = $('.but_btn_popup').data('link');
-        link = link+'?'+decodeURIComponent($.param({weekdays: weekdays, use_bonuses: useBonuses || ''}, true));
-        $('.but_btn_popup').attr('href', link);
     }
 });
diff --git a/web/src/sass/_common.sass b/web/src/sass/_common.sass
index d8d5924d..10a2f713 100755
--- a/web/src/sass/_common.sass
+++ b/web/src/sass/_common.sass
@@ -891,11 +891,11 @@ a[name]
     font-size: 20px
 
 .section
-  padding: 60px 0
+  padding: 50px 0
   +t
-    padding: 40px 0
-  +m
     padding: 30px 0
+  +m
+    padding: 20px 0
   &_review
     background: url(../img/bg-elephants.jpg) 0 0 / 100px 102px
   &_gray
@@ -1352,6 +1352,8 @@ a[name]
   &__pic
     display: block
     width: 100%
+    height: 100%
+    object-fit: cover
 
 .app
   position: relative
@@ -2456,11 +2458,11 @@ a.grey-link
 
 .go
   display: flex
-  margin-bottom: 50px
+  margin-bottom: 40px
   justify-content: space-between
   align-items: center
   +t
-    margin-bottom: 30px
+    margin-bottom: 20px
   &__item
     display: flex
     max-width: calc(50% - 20px)
@@ -2517,11 +2519,11 @@ a.grey-link
       fill: white
 
 .course
-  margin-bottom: 60px
+  margin-bottom: 50px
   &__head
     display: flex
     min-height: 40px
-    margin-bottom: 30px
+    margin-bottom: 20px
     align-items: center
     justify-content: space-between
     +t
@@ -2531,9 +2533,9 @@ a.grey-link
     +t
       margin-bottom: 10px
   &__content
-    margin-bottom: 40px
+    margin-bottom: 30px
     +t
-      margin-bottom: 25px
+      margin-bottom: 15px
   &__about
     position: relative
     margin-bottom: 40px
@@ -2563,9 +2565,9 @@ a.grey-link
     &:active
       color: rgba(white,.4)
   &__user
-    margin-bottom: 40px
+    margin-bottom: 30px
     +t
-      margin-bottom: 30px
+      margin-bottom: 20px
   &__info
     display: flex
     align-items: center
@@ -2580,17 +2582,17 @@ a.grey-link
       margin: 20px 0 0
   &__metas
     display: flex
-    margin-bottom: 45px
+    margin-bottom: 35px
     justify-content: space-between
     +m
       display: block
-      margin-bottom: 25px
+      margin-bottom: 15px
   &__metas &__meta
     +m
       margin-bottom: 20px
   &__actions
     display: flex
-    margin: 0 -10px 50px
+    margin: 0 -10px 40px
   &__action
     position: relative
     margin: 0 10px
@@ -2658,6 +2660,8 @@ a.grey-link
     visibility: visible
   &__subtitle
     margin-bottom: 20px
+    text-transform: none
+    letter-spacing: normal
   &__row
     display: flex
     +m
@@ -2676,6 +2680,8 @@ a.grey-link
     object-fit: cover
     width: 100%
     height: 100%
+  &__content-wrapper
+    flex: 1
   &__content
     flex: 0 0 calc(100% - 165px)
   &__actions
@@ -2715,6 +2721,8 @@ a.grey-link
 
 .lesson
   &__subtitle
+    letter-spacing: normal
+    text-transform: none
     margin-bottom: 10px
     color: #191919
   &__content
@@ -2811,16 +2819,23 @@ a.grey-link
   &__item
     display: flex
   &__form
-    margin-bottom: 40px
+    position: relative;
+    margin-top: 20px
     padding-bottom: 20px
     border-bottom: 1px solid $border
+  &__form-loader
+    display: none;
+  &__form-foot
+    text-align: center;
   &__item
     &:not(:last-child)
       margin-bottom: 25px
+    +m
+      padding: 10px 0
     &_reply
       padding-left: 80px
       +m
-        padding: 0
+        padding: 10px 0
   &__reply-info
     display: none
     margin-bottom: 10px
@@ -2859,11 +2874,13 @@ a.grey-link
     +m
       height: 64px
   &__btn
-    display: block
-    margin: 0 auto
+    margin: 0 15px;
     border-radius: 20px
+    +m
+      margin-left: 0
   &__details
     margin-bottom: 5px
+    flex: 1
   &__head,
   &__action
     +fb
@@ -2880,11 +2897,76 @@ a.grey-link
   &__author
     margin-right: 15px
   &__date
+    font-size: 10px
     display: inline-block
   &__foot
+    height: 20px
     text-align: right
   &__action
     margin-left: auto
+  &__heart
+    fill: #d40700
+    width: 28px
+    height: 28px
+  &__send-icon
+    fill: $gray
+    width: 20px
+    height: 20px
+  &__delete-icon
+    fill: #C8C8C8
+    width: 17px
+    height: 17px
+    :hover
+      fill: #000000
+  &--heart
+    &__content
+      font-size: 24px
+      color: #d40700
+
+  &--chat
+    margin-top: 15px
+  &--chat &__items
+    background: white
+    padding: 10px
+    border-radius: 5px
+    max-height: 400px
+    overflow: auto
+    +m
+      max-height: inherit
+  &--chat &__item, &--chat &__item_reply
+    +m
+      padding: 0
+  &--chat &__ava
+    height: 40px
+    margin-right: 10px
+    flex: 0 0 40px
+    +m
+      display: none
+  &--chat &__content
+    margin-bottom: 10px
+  &--chat &__wrap
+    display: flex
+    flex: 0 0 calc(100% - 60px);
+    +m
+      flex: 1
+  &--chat &__field
+    margin-bottom: 0;
+    flex: 0 0 calc(100% - 160px);
+    +m
+      flex: 1
+  &--chat &__btn
+    font-weight: 600;
+    text-shadow: 1px 1px #fff;
+    +m
+      margin: 0 0 0 15px;
+  &--chat &__form-foot
+    display: flex;
+
+  &--loading &__form-loader
+    display: block
+
+  &--loading &__form &__ava, &--loading &__form &__wrap
+    opacity: 0.4
 
 .share
   &__title
@@ -3676,6 +3758,11 @@ a.grey-link
   +m
     display: none
 
+.mobile-show
+  display: none
+  +m
+    display: block
+
 .school
   display: flex
   position: relative
@@ -4118,6 +4205,8 @@ a
     font-size: 16px
     padding-bottom: 24px
     text-align: left
+    margin: 0
+    max-width: 100%
   &.pic
     position: relative
     width: 100%
@@ -4127,6 +4216,24 @@ a
     max-width: 100%;
     max-height: 60%;
 
+@media only screen and (max-width: 639px)
+  .content-block__video iframe
+    width: 100%;
+    height: 240px;
+
+  .content-block__video.iframe__container
+    text-align: center;
+    width: 100%;
+    padding-bottom: 56.25%;
+    margin-bottom: -56.25%;
+
+@media only screen and (min-width: 640px)
+  .content-block__video.iframe__container
+    text-align: center;
+  iframe
+    width: 640px;
+    height: 360px;
+
 
 .banner
   height: 140px