有我相关500问题

app/controllers/activity_notifys_controller.rb

@@ -22,6 +22,9 @@ class ActivityNotifysController < ApplicationController
       list = query.order('is_read,id desc').limit(limit).offset(@obj_pages.offset).all();
       events=[];
       for item in list
+        if item.activity.nil?
+          next
+        end
         event = item.activity;
         event.set_notify_id(item.id)
         event.set_notify_is_read(item.is_read)