提交代码。

Signed-off-by: zouap <zouap@pcl.ac.cn>

public/home/home.js

@@ -81,8 +81,12 @@ var isZh = true;
 if(lang != null && lang.nodeValue =="en-US" ){
     isZh=false;
 }
-
+var readystat = false;
 document.onreadystatechange = function () {
+    if(readystat){
+        return;
+    } 
+    readystat = true;
     console.log("Start to open WebSocket.");
     queryRecommendData();