alter

screenIos/WXdraw.js

@@ -134,6 +134,7 @@ wsss.onmessage = function(event) {
 
 };
 wsss.onclose = function(event) {
+	alert("websocket连接断开");
 	console.log("onclose==============");
 };
 wsss.onerror = function(event) {