bugfix：优化切换应用云机页黑屏

static/webRtcYJ/websocket.js

@@ -19,7 +19,6 @@ function throttle(fn, delay) {
     }, delay);
   };
 }
-
 function doConnect() {
   var ws = new WebSocket(socketURL);
   ws.binaryType = 'arraybuffer';
@@ -62,7 +61,7 @@ function doConnect() {
   self.addEventListener(
     'message',
     function (e) {
-      if (e === 'close') {
+      if (e.data === 'close') {
         clearInterval(intervaler);
         ws.close();
       } else {