Websocket问题


执行官方的java sdk,连的测试网,已经返回listenKey,但为什么会接着断开呢?
执行k线的Websocket也是出现同样的提示,收不到数据
2022-08-03 17:13:39 [INFO] - [Sub][0] Connecting…
2022-08-03 17:13:39 [INFO] - [Sub][0] Connected to server
2022-08-03 17:13:39 [ERROR] - [Sub][0] Unexpected error: null
2022-08-03 17:13:39 [ERROR] - [Sub][0] Connection is closing due to error
2022-08-03 17:13:40 [WARN] - [Sub][0] Reconnecting after 15 seconds later

先用其他工具测一测是否能连上websocket服务器?