diff --git a/app/controllers/wechats_controller.rb b/app/controllers/wechats_controller.rb
index 190502a3c..c5ef8c24e 100644
--- a/app/controllers/wechats_controller.rb
+++ b/app/controllers/wechats_controller.rb
@@ -306,7 +306,7 @@ class WechatsController < ActionController::Base
     role = 5
 
     ps = ProjectsService.new
-    status = ps.join_project({invite_code: project.invite_code}, user)
+    status = ps.join_project({role:5, invite_code: project.invite_code}, user)
     if status != 0
       raise ProjectsService::JoinProjectError.message(status)
     end
diff --git a/app/services/courses_service.rb b/app/services/courses_service.rb
index e0455022f..9ed6faaa6 100644
--- a/app/services/courses_service.rb
+++ b/app/services/courses_service.rb
@@ -226,7 +226,7 @@ class CoursesService
           end
         else
           CourseMessage.create(:user_id => apply_user.id, :course_id => c.id, :viewed => false,:content=> messages.content,:course_message_id=>current_user.id,:course_message_type=>'CourseRequestDealResult',:status=>2)
-          message.update_attributes(:status=>2,:viewed=>1)
+          messages.update_attributes(:status=>2,:viewed=>1)
           if integer_ids.include?(9)
             message = "您已拒绝教师"+apply_user.show_name+"，加入班级"
           else
diff --git a/app/services/projects_service.rb b/app/services/projects_service.rb
index e732571c5..dd1e6c2d7 100644
--- a/app/services/projects_service.rb
+++ b/app/services/projects_service.rb
@@ -150,7 +150,7 @@ class ProjectsService
               if !AppliedProject.where(:project_id => project.id, :user_id => current_user.id).first.nil?
                 status = 8
               else
-                AppliedProject.create(:user_id => current_user.id, :project_id => project.id, :role => params[:role_id])
+                AppliedProject.create(:user_id => current_user.id, :project_id => project.id, :role => params[:role])
 
                 status = 7
               end
diff --git a/app/services/wechat_service.rb b/app/services/wechat_service.rb
index afb0d0f8c..9a6351391 100644
--- a/app/services/wechat_service.rb
+++ b/app/services/wechat_service.rb
@@ -142,7 +142,7 @@ class WechatService
   def three_keys_template(openid, template_id, type, id, first, key1, key2, key3, remark="",uid)
     tmpurl = "#{Setting.protocol}://#{Setting.host_name}/wechat/user_activities#/#{type}/#{id}"
     if uid && uid != 0
-      tmpurl = tmpurl + "&user_id="+uid.to_s
+      tmpurl = "#{Setting.protocol}://#{Setting.host_name}/wechat/user_activities#/#{type}?id=#{id}"+ "&user_id="+uid.to_s
     end
 
     data = {
@@ -179,7 +179,7 @@ class WechatService
   def four_keys_template(openid, template_id, type, id, first, key1, key2, key3, key4, remark="",uid)
     tmpurl = "#{Setting.protocol}://#{Setting.host_name}/wechat/user_activities#/#{type}/#{id}"
     if uid && uid != 0
-      tmpurl = tmpurl + "&user_id="+uid.to_s
+      tmpurl = "#{Setting.protocol}://#{Setting.host_name}/wechat/user_activities#/#{type}?id=#{id}"+ "&user_id="+uid.to_s
     end
 
     data = {
diff --git a/public/javascripts/wechat/others/factory.js b/public/javascripts/wechat/others/factory.js
index 5e5e6d4bf..7ac0a3bdb 100644
--- a/public/javascripts/wechat/others/factory.js
+++ b/public/javascripts/wechat/others/factory.js
@@ -221,6 +221,7 @@ app.factory('common', ['$http', 'auth', '$routeParams','rms','config','wx', func
                     imgUrl = window.g_localhost+response.data.data.author.img_url;
                 }
 
+                var desc = ""
                 if(response.data.data.content){
                     desc = response.data.data.content.replace(/<[^>]+>/g,"").replace(/\s*/g,"").replace(/&nbsp;/g,"");
                 }