diff --git a/app/api/mobile/apis/courses.rb b/app/api/mobile/apis/courses.rb
index 301417781..1cde439b2 100644
--- a/app/api/mobile/apis/courses.rb
+++ b/app/api/mobile/apis/courses.rb
@@ -391,7 +391,12 @@ module Mobile
         end
         get ':course_id/exercises' do
           authenticate!
-          exercises = Course.find(params[:course_id]).exercises
+
+          course = Course.find(params[:course_id])
+          exercises = course.exercises
+          exercises.each do |v|
+            v[:coursename] = course.nil? ? "未知" : course.name
+          end
           present :data,exercises,with:Mobile::Entities::Exercise
           present :status,0
         end
diff --git a/app/views/wechats/user_activities.html.erb b/app/views/wechats/user_activities.html.erb
index 240fec434..f724be392 100644
--- a/app/views/wechats/user_activities.html.erb
+++ b/app/views/wechats/user_activities.html.erb
@@ -26,33 +26,33 @@
 <div ng-view>
 </div>
 
-<script src="https://dn-demotest.qbox.me/angular.all.min.js"></script>
-<!-- <script src="/javascripts/wechat/build/angular.all.min.js"></script> -->
-<script src="/javascripts/wechat/build/app.min.js?version=20160709-0920"></script>
-<!-- <script src="/javascripts/wechat/app.js"></script> -->
-<!-- <script src="/javascripts/wechat/others/factory.js"></script> -->
-<!-- <script src="/javascripts/wechat/others/filter.js"></script> -->
-<!-- <script src="/javascripts/wechat/directives/alert.js"></script> -->
-<!-- <script src="/javascripts/wechat/directives/form_validate.js"></script> -->
-<!-- <script src="/javascripts/wechat/directives/input_auto.js"></script> -->
-<!-- <script src="/javascripts/wechat/directives/loading_spinner.js"></script> -->
-<!-- <script src="/javascripts/wechat/controllers/reg.js"></script> -->
-<!-- <script src="/javascripts/wechat/controllers/invite_code.js"></script> -->
-<!-- <script src="/javascripts/wechat/controllers/login.js"></script> -->
-<!-- <script src="/javascripts/wechat/controllers/activity.js"></script> -->
-<!-- <script src="/javascripts/wechat/controllers/new_class.js"></script> -->
-<!-- <script src="/javascripts/wechat/controllers/edit_class.js"></script> -->
-<!-- <script src="/javascripts/wechat/controllers/blog.js"></script> -->
-<!-- <script src="/javascripts/wechat/controllers/course_notice.js"></script> -->
-<!-- <script src="/javascripts/wechat/controllers/discussion.js"></script> -->
-<!-- <script src="/javascripts/wechat/controllers/homework.js"></script> -->
-<!-- <script src="/javascripts/wechat/controllers/issue.js"></script> -->
-<!-- <script src="/javascripts/wechat/controllers/journals.js"></script> -->
-<!-- <script src="/javascripts/wechat/controllers/class.js"></script> -->
-<!-- <script src="/javascripts/wechat/controllers/class_list.js"></script> -->
-<!-- <script src="/javascripts/wechat/controllers/myresource.js"></script> -->
-<!-- <script src="/javascripts/wechat/controllers/send_class_list.js"></script> -->
-<!-- <script src="/javascripts/wechat/others/routes.js"></script> -->
+<!--<script src="https://dn-demotest.qbox.me/angular.all.min.js"></script>-->
+ <script src="/javascripts/wechat/build/angular.all.min.js"></script>
+<!--<script src="/javascripts/wechat/build/app.min.js?version=20160709-0920"></script>-->
+ <script src="/javascripts/wechat/app.js"></script>
+ <script src="/javascripts/wechat/others/factory.js"></script>
+ <script src="/javascripts/wechat/others/filter.js"></script>
+ <script src="/javascripts/wechat/directives/alert.js"></script>
+ <script src="/javascripts/wechat/directives/form_validate.js"></script>
+ <script src="/javascripts/wechat/directives/input_auto.js"></script>
+ <script src="/javascripts/wechat/directives/loading_spinner.js"></script>
+ <script src="/javascripts/wechat/controllers/reg.js"></script>
+ <script src="/javascripts/wechat/controllers/invite_code.js"></script>
+ <script src="/javascripts/wechat/controllers/login.js"></script>
+ <script src="/javascripts/wechat/controllers/activity.js"></script>
+ <script src="/javascripts/wechat/controllers/new_class.js"></script>
+ <script src="/javascripts/wechat/controllers/edit_class.js"></script>
+ <script src="/javascripts/wechat/controllers/blog.js"></script>
+ <script src="/javascripts/wechat/controllers/course_notice.js"></script>
+ <script src="/javascripts/wechat/controllers/discussion.js"></script>
+ <script src="/javascripts/wechat/controllers/homework.js"></script>
+ <script src="/javascripts/wechat/controllers/issue.js"></script>
+ <script src="/javascripts/wechat/controllers/journals.js"></script>
+ <script src="/javascripts/wechat/controllers/class.js"></script>
+ <script src="/javascripts/wechat/controllers/class_list.js"></script>
+ <script src="/javascripts/wechat/controllers/myresource.js"></script>
+ <script src="/javascripts/wechat/controllers/send_class_list.js"></script>
+ <script src="/javascripts/wechat/others/routes.js"></script>
 </body>
 
 </html>