diff --git a/basesocket.js b/basesocket.js
index bfa51d2..60a61f0 100644
--- a/basesocket.js
+++ b/basesocket.js
@@ -86,10 +86,21 @@ module.exports = {
 
   sendToAll (dataObj) {
     my.wsServer.clients.forEach((socket) => {
-      if (socket.readyState === socket.OPEN) {
+      //if (socket.readyState === socket.OPEN) {
+      try {
         socket.send(typeof dataObj !== 'string' ? JSON.stringify(dataObj) : dataObj)
-      } else {
-        console.error({ _at: new Date().toJSON(), _from: 'Socket:sendToAll', _type: 'CWARN', msg: 'sendToAll: Failed sending to unconnected socket', dataObj, usid: socket.usid }, '\n,')
+      } catch (expt) {
+        console.error(
+          {
+            _at: new Date().toJSON(),
+            _from: 'Socket:sendToAll',
+            _type: 'CWARN',
+            msg: 'sendToAll: Failed sending to unconnected socket',
+            dataObj,
+            usid: socket.usid,
+          },
+          '\n,'
+        )
         delete my.socketPool[socket.usid]
       }
     })
@@ -97,10 +108,14 @@ module.exports = {
 
   sendToOne (dataObj, usid) {
     const socket = my.socketPool[usid]
-    if (socket && socket.readyState === socket.OPEN) {
+    // if (socket && socket.readyState === socket.OPEN) { // 20240916 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.
+    try {
       socket.send(typeof dataObj !== 'string' ? JSON.stringify(dataObj) : dataObj)
-    } else {
-      console.error({ _at: new Date().toJSON(), _from: 'Socket:sendToOne', _type: 'CWARN', msg: 'sendToOne: Failed sending to unconnected socket', dataObj, usid }, '\n,')
+    } catch (expt) {
+      console.error(
+        { _at: new Date().toJSON(), _from: 'Socket:sendToOne', _type: 'CWARN', msg: 'sendToOne: Failed sending to unconnected socket', dataObj, usid },
+        '\n,'
+      )
       delete my.socketPool[usid]
     }
   },