fix activity.status

@@ -147,6 +147,7 @@ Page({
     console.log('hasActivityEvent',e);
     App.Task.GetTaskInfo({pos:'home'}).then(res=>{
       let activity=res.data.activity
+      if(!activity) return;
       let time=new Date()/1000
       if(activity.status==1 && activity.starttime<time && time<activity.endtime){
         this.setData({