修复标题总是提示新消息问题

static/js/chat-page.js

@@ -366,6 +366,7 @@ new Vue({
                 $('.faceBox').hide();
             });
             window.onfocus = function () {
+                window.parent.postMessage({type:"focus"},"*");
                 if(_this.socketClosed){
                     return;
                 }

static/js/gofly-front.js

@@ -78,9 +78,13 @@ GOFLY.init=function(config){
             var news=$("#launchIcon").text();
             $("#launchIcon").text(++news).show();
         }
+        if(msg.type=="focus"){
+            clearTimeout(_this.titleTimer);
+            document.title = _this.originTitle;
+        }
     });
     window.onfocus = function () {
-        clearTimeout(this.titleTimer);
+        clearTimeout(_this.titleTimer);
         console.log(1);
         document.title = _this.originTitle;
     };