diff --git a/app/controllers/wechats_controller.rb b/app/controllers/wechats_controller.rb
index 9483043c8..475594687 100644
--- a/app/controllers/wechats_controller.rb
+++ b/app/controllers/wechats_controller.rb
@@ -211,7 +211,7 @@ class WechatsController < ActionController::Base
       when 'Project'
         case user_activity.act_type.to_s
           when 'Issue'
-            [activity.project.name.to_s+" | 项目问题", activity.subject.to_s, project_issues_path(activity.project), url_to_avatar(activity.author)]
+            [act.project.name.to_s+" | 项目问题", act.subject.to_s, project_issues_path(act.project), url_to_avatar(act.author)]
         end
     end
   end