fix:socket参数变更

src/libs/socket.ts

@@ -38,7 +38,7 @@ export class WebSocketClient {
     const heartSend = () => {
       // 开启状态直接发送
       if (socket.readyState === socket.OPEN) {
-        socket.send(JSON.stringify({ messageType: 'ping', messageld: Date.now().toString(), timestamp: Date.now() }))
+        socket.send(JSON.stringify({ messageType: 'Ping', messageld: Date.now().toString(), timestamp: Date.now() }))
       }
       else {
         clearInterval(hearBeat_timer)