diff --git a/include/util/tconfig.h b/include/util/tconfig.h
index 908154ce528430f3dddf42e49e72c2d373b9af8f..11dd5414ec66eefc9cf1435ccbd3f51cad69e9f4 100644
--- a/include/util/tconfig.h
+++ b/include/util/tconfig.h
@@ -59,7 +59,6 @@ typedef struct SConfigItem {
     int32_t  i32;
     int64_t  i64;
     char    *str;
-    SArray  *array;  // SDiskCfg
   };
   union {
     int64_t imin;
@@ -69,6 +68,7 @@ typedef struct SConfigItem {
     int64_t imax;
     double  fmax;
   };
+  SArray *array;  // SDiskCfg
 } SConfigItem;
 
 typedef struct {
diff --git a/source/util/src/tconfig.c b/source/util/src/tconfig.c
index 3f13636e25ff8c3a65ab92322b3b99b5835926d5..dd446a40483d080916cba9b2661adb84cba7f387 100644
--- a/source/util/src/tconfig.c
+++ b/source/util/src/tconfig.c
@@ -79,9 +79,25 @@ int32_t cfgLoadArray(SConfig *pCfg, SArray *pArgs) {
   return 0;
 }
 
+static void cfgFreeItem(SConfigItem *pItem) {
+  if (pItem->dtype == CFG_DTYPE_STRING || pItem->dtype == CFG_DTYPE_DIR || pItem->dtype == CFG_DTYPE_LOCALE ||
+      pItem->dtype == CFG_DTYPE_CHARSET || pItem->dtype == CFG_DTYPE_TIMEZONE) {
+    tfree(pItem->str);
+  }
+  if (pItem->array) {
+    taosArrayDestroy(pItem->array);
+    pItem->array = NULL;
+  }
+}
+
 void cfgCleanup(SConfig *pCfg) {
   if (pCfg != NULL) {
     if (pCfg->hash != NULL) {
+      SConfigItem *pItem = taosHashIterate(pCfg->hash, NULL);
+      while (pItem != NULL) {
+        cfgFreeItem(pItem);
+        pItem = taosHashIterate(pCfg->hash, pItem);
+      }
       taosHashCleanup(pCfg->hash);
       pCfg->hash == NULL;
     }
@@ -96,7 +112,7 @@ SConfigItem *cfgIterate(SConfig *pCfg, SConfigItem *pIter) { return taosHashIter
 void cfgCancelIterate(SConfig *pCfg, SConfigItem *pIter) { return taosHashCancelIterate(pCfg->hash, pIter); }
 
 static int32_t cfgCheckAndSetTimezone(SConfigItem *pItem, const char *timezone) {
-  tfree(pItem->str);
+  cfgFreeItem(pItem);
   pItem->str = strdup(timezone);
   if (pItem->str == NULL) {
     terrno = TSDB_CODE_OUT_OF_MEMORY;
@@ -107,7 +123,7 @@ static int32_t cfgCheckAndSetTimezone(SConfigItem *pItem, const char *timezone)
 }
 
 static int32_t cfgCheckAndSetCharset(SConfigItem *pItem, const char *charset) {
-  tfree(pItem->str);
+  cfgFreeItem(pItem);
   pItem->str = strdup(charset);
   if (pItem->str == NULL) {
     terrno = TSDB_CODE_OUT_OF_MEMORY;
@@ -118,7 +134,7 @@ static int32_t cfgCheckAndSetCharset(SConfigItem *pItem, const char *charset) {
 }
 
 static int32_t cfgCheckAndSetLocale(SConfigItem *pItem, const char *locale) {
-  tfree(pItem->str);
+  cfgFreeItem(pItem);
   pItem->str = strdup(locale);
   if (pItem->str == NULL) {
     terrno = TSDB_CODE_OUT_OF_MEMORY;
@@ -147,7 +163,7 @@ static int32_t cfgCheckAndSetDir(SConfigItem *pItem, const char *inputDir) {
     return -1;
   }
 
-  tfree(pItem->str);
+  cfgFreeItem(pItem);
   pItem->str = strdup(fullDir);
   if (pItem->str == NULL) {
     terrno = TSDB_CODE_OUT_OF_MEMORY;
@@ -288,6 +304,33 @@ static int32_t cfgSetTimezone(SConfigItem *pItem, const char *value, ECfgSrcType
   return 0;
 }
 
+static int32_t cfgSetTfsItem(SConfig *pCfg, const char *name, const char *value, const char *level, const char *primary,
+                             ECfgSrcType stype) {
+  SConfigItem *pItem = cfgGetItem(pCfg, name);
+  if (pItem == NULL) return -1;
+
+  if (pItem->array == NULL) {
+    pItem->array = taosArrayInit(16, sizeof(SDiskCfg));
+    if (pItem->array == NULL) {
+      terrno = TSDB_CODE_OUT_OF_MEMORY;
+      return -1;
+    }
+  }
+
+  SDiskCfg cfg = {0};
+  tstrncpy(cfg.dir, value, sizeof(cfg.dir));
+  cfg.level = atoi(level);
+  cfg.primary = atoi(primary);
+  void *ret = taosArrayPush(pItem->array, &cfg);
+  if (ret == NULL) {
+    terrno = TSDB_CODE_OUT_OF_MEMORY;
+    return -1;
+  }
+
+  pItem->stype = stype;
+  return 0;
+}
+
 int32_t cfgSetItem(SConfig *pCfg, const char *name, const char *value, ECfgSrcType stype) {
   SConfigItem *pItem = cfgGetItem(pCfg, name);
   if (pItem == NULL) {
@@ -322,32 +365,6 @@ int32_t cfgSetItem(SConfig *pCfg, const char *name, const char *value, ECfgSrcTy
   return -1;
 }
 
-static int32_t cfgSetTfsItem(SConfig *pCfg, const char *name, const char *value, const char *level,
-                                   const char *primary, ECfgSrcType stype) {
-  SConfigItem *pItem = cfgGetItem(pCfg, name);
-  if (pItem == NULL) return -1;
-
-  if (pItem->array == NULL) {
-    pItem->array = taosArrayInit(16, sizeof(SDiskCfg));
-    if (pItem->array == NULL) {
-      terrno = TSDB_CODE_OUT_OF_MEMORY;
-      return -1;
-    }
-  }
-
-  SDiskCfg cfg = {0};
-  tstrncpy(cfg.dir, name, sizeof(cfg.dir));
-  cfg.level = atoi(level);
-  cfg.primary = atoi(primary);
-  void *ret = taosArrayPush(pItem->array, &cfg);
-  if (ret == NULL) {
-    terrno = TSDB_CODE_OUT_OF_MEMORY;
-    return -1;
-  }
-
-  return 0;
-}
-
 SConfigItem *cfgGetItem(SConfig *pCfg, const char *name) {
   char lowcaseName[CFG_NAME_MAX_LEN + 1] = {0};
   memcpy(lowcaseName, name, CFG_NAME_MAX_LEN);
@@ -620,7 +637,6 @@ int32_t cfgLoadFromCfgFile(SConfig *pConfig, const char *filepath) {
   }
 
   while (!taosEOFFile(pFile)) {
-
     name = value = value2 = value3 = NULL;
     olen = vlen = vlen2 = vlen3 = 0;
 
@@ -653,7 +669,7 @@ int32_t cfgLoadFromCfgFile(SConfig *pConfig, const char *filepath) {
   }
 
   taosCloseFile(&pFile);
-  if(line != NULL) tfree(line);
+  if (line != NULL) tfree(line);
 
   uInfo("load from cfg file %s success", filepath);
   return 0;