diff --git a/source/common/src/tglobal.c b/source/common/src/tglobal.c
index 2aef97ed1b..9a06acacb1 100644
--- a/source/common/src/tglobal.c
+++ b/source/common/src/tglobal.c
@@ -1724,6 +1724,7 @@ int32_t taosReadDataFolder(const char *cfgDir, const char **envCmd, const char *
   TAOS_CHECK_RETURN(cfgInit(&pCfg));
 
   TAOS_CHECK_GOTO(cfgAddDir(pCfg, "dataDir", tsDataDir, CFG_SCOPE_SERVER, CFG_DYN_NONE), NULL, _exit);
+  TAOS_CHECK_GOTO(cfgAddInt32(pCfg, "debugFlag", dDebugFlag, 0, 255, CFG_SCOPE_SERVER, CFG_DYN_SERVER), NULL, _exit);
   TAOS_CHECK_GOTO(cfgAddInt32(pCfg, "dDebugFlag", dDebugFlag, 0, 255, CFG_SCOPE_SERVER, CFG_DYN_SERVER) ,NULL, _exit);
 
   if ((code = taosLoadCfg(pCfg, envCmd, cfgDir, envFile, apolloUrl)) != 0) {