no message

pages/home/employee/index.js

@@ -41,7 +41,10 @@ Scene({
   },
   onEvent: function(message){
     if (message.what == 120) {
-      this.fetchMemberList()
+      var that = this
+      this.timeout = setTimeout(() => {
+        that.fetchMemberList()
+      }, 1000)
     }
   },
   fetchMemberList: function(){
@@ -106,6 +109,10 @@ Scene({
     }
   },
   onUnload: function(){
+    if(this.timeout){
+      clearTimeout(this.timeout)
+      this.timeout = null
+    }
     event.remove('EventMessage', this)
   }
 })