From 96f691cd5c04ac2eb32cdd13e992891962d21dd9 Mon Sep 17 00:00:00 2001
From: yihaoDeng <luomoxyz@126.com>
Date: Tue, 22 Nov 2022 11:12:20 +0800
Subject: [PATCH] avoid invalid error

---
 source/common/src/tglobal.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/source/common/src/tglobal.c b/source/common/src/tglobal.c
index 27dcbd5be3..f2d8b9aa7c 100644
--- a/source/common/src/tglobal.c
+++ b/source/common/src/tglobal.c
@@ -277,7 +277,9 @@ static int32_t taosAddServerLogCfg(SConfig *pCfg) {
 static int32_t taosAddClientCfg(SConfig *pCfg) {
   char    defaultFqdn[TSDB_FQDN_LEN] = {0};
   int32_t defaultServerPort = 6030;
-  if (taosGetFqdn(defaultFqdn) != 0) return -1;
+  if (taosGetFqdn(defaultFqdn) != 0) {
+    strcpy(defaultFqdn, "localhost");
+  }
 
   if (cfgAddString(pCfg, "firstEp", "", 1) != 0) return -1;
   if (cfgAddString(pCfg, "secondEp", "", 1) != 0) return -1;