隐藏websoket连接失败的信息.

src/ApplicationServices/WebSocketClientServer.ts

@@ -19,10 +19,18 @@ export class WebSocketClientServer
     //ws连接.
     private wsConnect()
     {
-        this.ws = new WebSocket("ws://localhost:8001/CADHost");
-        this.ws.onopen = this.wsOnOpen;
-        this.ws.onmessage = this.wsOnMessage;
-        this.ws.onclose = this.wsOnClose;
+        try
+        {
+            this.ws = new WebSocket("ws://localhost:8001/CADHost");
+            this.ws.onopen = this.wsOnOpen;
+            this.ws.onmessage = this.wsOnMessage;
+            this.ws.onclose = this.wsOnClose;
+        }
+        catch (error)
+        {
+
+        }
+
     }
 
     private wsOnOpen = (event: Event) =>