diff --git a/source/common/src/tglobal.c b/source/common/src/tglobal.c
index 1c2d53397740f6cffc711467c7bf9ca491ae8ed6..2d579bfd394088bc9cf94f3e88928c5262d474a7 100644
--- a/source/common/src/tglobal.c
+++ b/source/common/src/tglobal.c
@@ -229,7 +229,7 @@ static int32_t taosLoadCfg(SConfig *pCfg, const char **envCmd, const char *input
   taosExpandDir(inputCfgDir, cfgDir, PATH_MAX);
   if (taosIsDir(cfgDir)) {
 #ifdef CUS_PROMPT
-    snprintf(cfgFile, sizeof(cfgFile), "%s" TD_DIRSEP "%s.cfg", CUS_PROMPT, cfgDir);
+    snprintf(cfgFile, sizeof(cfgFile), "%s" TD_DIRSEP "%s.cfg", cfgDir, CUS_PROMPT);
 #else
     snprintf(cfgFile, sizeof(cfgFile), "%s" TD_DIRSEP "taos.cfg", cfgDir);
 #endif