注意到，前端显示仍然连接着 socket，但后台却判断为不是 OPEN。所以把 if 改成 try.

unisocket.js

@@ -4,20 +4,23 @@ const my = {
   heartbeating: undefined,
   listeners: {},
   heartbeatInterval: 20000,
-  reconnectInterval: 5000
+  reconnectInterval: 5000,
 }
 
 export default {
   isAlive () {
-    return my.socket && (my.socket.readyState === my.socket.OPEN)
+    return my.socket && my.socket.readyState === my.socket.OPEN
   },
+
   initSocket ({ url, relogin = false, stateManager = {} } = {}) {
     if (!my.socket || (my.socket.readyState !== my.socket.OPEN && typeof url === 'string')) {
       console.log({ _at: new Date().toJSON(), about: `WebSocket is connecting to ${url}...` })
+
       my.socket = uni.connectSocket({
         url: url.replace(/^http/, 'ws'),
-        complete: () => { },
+        complete: () => {},
       })
+
       my.socket.onOpen((res) => {
         console.log({ _at: new Date().toJSON(), about: 'WebSocket onOpen: ', res })
         stateManager.socketAlive = true
@@ -39,6 +42,7 @@ export default {
           }
         }, my.heartbeatInterval) // 定期发送心跳，避免被关闭
       })
+
       my.socket.onClose((res) => {
         console.log({ _at: new Date().toJSON(), about: 'Websocket onClose: ', res })
         stateManager.socketAlive = false
@@ -48,10 +52,12 @@ export default {
             this.initSocket({ url, relogin: true, stateManager })
           }, my.reconnectInterval) // 定时尝试重连
       })
+
       my.socket.onError((err) => {
         console.log({ _at: new Date().toJSON(), about: 'Websocket onError: ', err })
         stateManager.socketAlive = false
       })
+
       my.socket.onMessage(({ data }) => {
         // 在这里统一分发消息（用户端通常不需要返回结果给服务器，因此不用 rpc 模式，而用 event 模式。
         try {
@@ -69,6 +75,7 @@ export default {
     }
     return this
   },
+
   closeSocket () {
     if (my.socket) my.socket.close()
     setTimeout(() => {
@@ -76,11 +83,13 @@ export default {
       delete my.reconnecting
     }, 2000)
   },
+
   initListener (skevent, listener) {
     // 当该 skevent 尚不具有任何 listener 时，添加本 listener
     my.listeners[skevent]?.length > 0 || this.addListener(skevent, listener)
     return this
   },
+
   addListener (skevent, listener) {
     if (Array.isArray(my.listeners[skevent]) && typeof listener === 'function') {
       my.listeners[skevent].push(listener)
@@ -89,12 +98,14 @@ export default {
     }
     return this
   },
+
   countListener (skevent) {
     if (Array.isArray(my.listeners[skevent])) {
       return my.listeners[skevent].length
     }
     return 0
   },
+
   sendObject (dataObj) {
     if (my.socket && my.socket.readyState === my.socket.OPEN) {
       my.socket.send({