watch报错402002，小程序很久没动过代码了，正常运行了很久，今天下午开始接到用户反馈，目前还是402002，请解决，报错如下

watch player err Error: errCode: -402002 realtime listener init watch fail | errMsg: init watch fail Error: wsclient.send timedout

history states: UNINIT-(loginStart)->INIT_LOGGING_IN-(loginSuccess)->INIT_LOGGED_IN-(initWatchStart)->INIT_WATCH_PENDING-(initWatchFail)->INIT_WATCH_FAIL-(loginStart)->INIT_LOGGING_IN-(loginSuccess)->INIT_LOGGED_IN-(initWatchStart)->INIT_WATCH_PENDING-(initWatchFail)->INIT_WATCH_FAIL-(loginStart)->INIT_LOGGING_IN-(loginSuccess)->INIT_LOGGED_IN-(initWatchStart)->INIT_WATCH_PENDING-(initWatchFail)->INIT_WATCH_FAIL-(close)->CLOSED