WebSocket is closed before the connection is established.

[hooper-hc]

Describe the bug
WebSocket is closed before the connection is established.

To Reproduce

1. 按照步骤启动好项目后

3. 访问页面，能够登录、创建表格

5. 表格无法编辑保存， 应该是 socket 连接问题

http://xhslink.com/uHfcHG

[tea-artist]

Are you start in dev mode? Check whether the port is occupied. The socket port is the main port +1. In dev mode, if your main port is 3000 by default, then the socket port is 3001