diff --git a/src/util/src/tsocket.c b/src/util/src/tsocket.c
index f95cae25e9d4aef0b3c03e0e8e1737ca0c6d4504..6f4d2b8afd81f3bb85405f2d6a1f0f71144878f3 100644
--- a/src/util/src/tsocket.c
+++ b/src/util/src/tsocket.c
@@ -304,10 +304,10 @@ int taosOpenTcpClientSocket(uint32_t destIp, uint16_t destPort, uint32_t clientI
     //uError("failed to connect socket, ip:0x%x, port:%hu(%s)", destIp, destPort, strerror(errno));
     close(sockFd);
     sockFd = -1;
+  } else {
+    taosKeepTcpAlive(sockFd);
   }
 
-  taosKeepTcpAlive(sockFd);
-
   return sockFd;
 }