版本：4.3.1
- https://cdn.bootcdn.net/ajax/libs/socket.io/4.3.1/socket.io.esm.min.js
- https://cdn.bootcdn.net/ajax/libs/socket.io/4.3.1/socket.io.js
- https://cdn.bootcdn.net/ajax/libs/socket.io/4.3.1/socket.io.min.js
- https://cdn.bootcdn.net/ajax/libs/socket.io/4.3.1/socket.io.msgpack.min.js