fix

access/views.py

@@ -314,6 +314,7 @@ class ManagementPassword(generics.GenericAPIView):
             return Response('user not found', status=404)
 
         user.set_password(password)
+        user.is_active=True
         user.save()
 
         logger.info('''set password: %s to the 

courses/serializers.py

@@ -8,7 +8,7 @@ class TopicSerializer(serializers.ModelSerializer):
 
     class Meta:
         model = Topic
-        exclude = ['id']
+        fields = '__all__'
 
     @staticmethod
     def get_children(self):