diff --git a/src/common/src/tglobal.c b/src/common/src/tglobal.c
index 616c5fba890a03a2f59a6bee6ae7d2f79ee52760..2b8c2bbb660bdcf36e2cea1390db89235733ddcc 100644
--- a/src/common/src/tglobal.c
+++ b/src/common/src/tglobal.c
@@ -627,7 +627,7 @@ static void doInitGlobalConfig(void) {
   cfg.unitType = TAOS_CFG_UTYPE_NONE;
   taosInitConfigOption(cfg);
 
-  cfg.option = "tcpConnTimout";
+  cfg.option = "tcpConnTimeout";
   cfg.ptr = &tsTcpConnTimeout;
   cfg.valType = TAOS_CFG_VTYPE_INT32;
   cfg.cfgType = TSDB_CFG_CTYPE_B_CONFIG | TSDB_CFG_CTYPE_B_SHOW;