模拟器和浏览器都没有问题，到真机上调试就连接不上websocket。
readyStatereadyState0
WebSocket thread start, helper instance: 0x1740ad8c0
NOTICE: Initial logging level 967
NOTICE: Libwebsockets version: 1.7.8 linwenhai@LindeMacBook-Pro.local-v3.4-49-g9369eea
NOTICE: IPV6 compiled in and enabled
NOTICE: libev support not compiled in
NOTICE: Threads: 1 each 256 fds
NOTICE: mem: platform fd map: 2048 bytes
NOTICE: mem: per-conn: 368 bytes + protocol rx buf
WebSocket (0x1701cfd20) onConnectionError …
Ready state is closing or was closed, code=2, quit websocket thread!
NOTICE: lws_context_destroy
WebSocket (0x1701cfd20) onConnectionError …
WebSocket (0x1701cfd20) onConnectionClosed …
WebSocket thread exit, helper instance: 0x1740ad8c0