Merge pull request #20749 from taosdata/fix/TD-23453

fix: aovid conn leak

source/libs/transport/src/transCli.c

@@ -462,6 +462,7 @@ void cliHandleExceptImpl(SCliConn* pConn, int32_t code) {
   if (transQueueEmpty(&pConn->cliMsgs)) {
     if (pConn->broken == true && CONN_NO_PERSIST_BY_APP(pConn)) {
       tTrace("%s conn %p handle except, persist:0", CONN_GET_INST_LABEL(pConn), pConn);
+      if (T_REF_VAL_GET(pConn) > 1) transUnrefCliHandle(pConn);
       transUnrefCliHandle(pConn);
       return;
     }
@@ -521,6 +522,7 @@ void cliHandleExceptImpl(SCliConn* pConn, int32_t code) {
     destroyCmsg(pMsg);
     tTrace("%s conn %p start to destroy, ref:%d", CONN_GET_INST_LABEL(pConn), pConn, T_REF_VAL_GET(pConn));
   } while (!transQueueEmpty(&pConn->cliMsgs));
+  if (T_REF_VAL_GET(pConn) > 1) transUnrefCliHandle(pConn);
   transUnrefCliHandle(pConn);
 }
 void cliHandleExcept(SCliConn* conn) {