sockjs.js:1684 WebSocket connection to ‘ws://192.168.20.158:9534/sockjs-node/172/o2uayhgf/websocket‘

// \node_modules\sockjs-client\dist\sockjs.js  1606行这段注释掉
 try {
    // self.xhr.send(payload);  // 这段注释掉就行
  } catch (e) {
    self.emit('finish', 0, '');
    self._cleanup(false);
  }