diff --git a/progress/serializers.py b/progress/serializers.py
index ac0c0dd..269f97e 100644
--- a/progress/serializers.py
+++ b/progress/serializers.py
@@ -35,6 +35,7 @@ class ProgressAnalyticSerializer(serializers.ModelSerializer):
 class ProgressLessonSerializer(serializers.ModelSerializer):
     teacher = serializers.SerializerMethodField()
     student = serializers.SerializerMethodField()
+    course_token = serializers.SerializerMethodField()
 
     class Meta:
         model = ProgressLesson
@@ -46,4 +47,8 @@ class ProgressLessonSerializer(serializers.ModelSerializer):
 
     @staticmethod
     def get_student(self):
-        return self.progress.user.get_full_name()
\ No newline at end of file
+        return self.progress.user.get_full_name()
+
+    @staticmethod
+    def get_course_token(self):
+        return self.progress.course_token
\ No newline at end of file
diff --git a/progress/views.py b/progress/views.py
index 2ae6bbf..f27f131 100644
--- a/progress/views.py
+++ b/progress/views.py
@@ -123,10 +123,10 @@ class UpdateProgress(APIView):
                         raise ValueError("Этого никогда не должно происходить, но я уверен, что произойдёт")
 
                 elif not is_student and pv.status == ProgressLesson.STATUSES.wait:
-                    if action == "fail":
+                    if action == "no":
                         pv.status = ProgressLesson.STATUSES.fail
 
-                    elif action == "done":
+                    elif action == "yes":
                         pv.status = ProgressLesson.STATUSES.done
                         pv.finish_date = datetime.datetime.now()