diff --git a/source/util/src/tconfig.c b/source/util/src/tconfig.c
index 586586f742..3d05f80acf 100644
--- a/source/util/src/tconfig.c
+++ b/source/util/src/tconfig.c
@@ -294,8 +294,8 @@ static int32_t cfgSetTfsItem(SConfig *pCfg, const char *name, const char *value,
 
   SDiskCfg cfg = {0};
   tstrncpy(cfg.dir, value, sizeof(cfg.dir));
-  cfg.level = atoi(level);
-  cfg.primary = atoi(primary);
+  cfg.level = level ? atoi(level) : 0;
+  cfg.primary = primary ? atoi(primary) : 1;
   void *ret = taosArrayPush(pItem->array, &cfg);
   if (ret == NULL) {
     terrno = TSDB_CODE_OUT_OF_MEMORY;
@@ -660,13 +660,12 @@ int32_t cfgLoadFromEnvVar(SConfig *pConfig) {
       if (vlen3 != 0) value3[vlen3] = 0;
     }
 
-    if (value2 != NULL && value3 != NULL && value2[0] != 0 && value3[0] != 0 && strcasecmp(name, "dataDir") == 0) {
+    if (strcasecmp(name, "dataDir") == 0) {
       code = cfgSetTfsItem(pConfig, name, value, value2, value3, CFG_STYPE_ENV_VAR);
       if (code != 0 && terrno != TSDB_CODE_CFG_NOT_FOUND) break;
-    } else {
-      code = cfgSetItem(pConfig, name, value, CFG_STYPE_ENV_VAR);
-      if (code != 0 && terrno != TSDB_CODE_CFG_NOT_FOUND) break;
     }
+    code = cfgSetItem(pConfig, name, value, CFG_STYPE_ENV_VAR);
+    if (code != 0 && terrno != TSDB_CODE_CFG_NOT_FOUND) break;
   }
 
   uInfo("load from env variables cfg success");
@@ -703,13 +702,12 @@ int32_t cfgLoadFromEnvCmd(SConfig *pConfig, const char **envCmd) {
       if (vlen3 != 0) value3[vlen3] = 0;
     }
 
-    if (value2 != NULL && value3 != NULL && value2[0] != 0 && value3[0] != 0 && strcasecmp(name, "dataDir") == 0) {
+    if (strcasecmp(name, "dataDir") == 0) {
       code = cfgSetTfsItem(pConfig, name, value, value2, value3, CFG_STYPE_ENV_CMD);
       if (code != 0 && terrno != TSDB_CODE_CFG_NOT_FOUND) break;
-    } else {
-      code = cfgSetItem(pConfig, name, value, CFG_STYPE_ENV_CMD);
-      if (code != 0 && terrno != TSDB_CODE_CFG_NOT_FOUND) break;
     }
+    code = cfgSetItem(pConfig, name, value, CFG_STYPE_ENV_CMD);
+    if (code != 0 && terrno != TSDB_CODE_CFG_NOT_FOUND) break;
   }
 
   uInfo("load from env cmd cfg success");
@@ -768,13 +766,12 @@ int32_t cfgLoadFromEnvFile(SConfig *pConfig, const char *envFile) {
       if (vlen3 != 0) value3[vlen3] = 0;
     }
 
-    if (value2 != NULL && value3 != NULL && value2[0] != 0 && value3[0] != 0 && strcasecmp(name, "dataDir") == 0) {
+    if (strcasecmp(name, "dataDir") == 0) {
       code = cfgSetTfsItem(pConfig, name, value, value2, value3, CFG_STYPE_ENV_FILE);
       if (code != 0 && terrno != TSDB_CODE_CFG_NOT_FOUND) break;
-    } else {
-      code = cfgSetItem(pConfig, name, value, CFG_STYPE_ENV_FILE);
-      if (code != 0 && terrno != TSDB_CODE_CFG_NOT_FOUND) break;
     }
+    code = cfgSetItem(pConfig, name, value, CFG_STYPE_ENV_FILE);
+    if (code != 0 && terrno != TSDB_CODE_CFG_NOT_FOUND) break;
   }
 
   taosCloseFile(&pFile);
@@ -828,13 +825,12 @@ int32_t cfgLoadFromCfgFile(SConfig *pConfig, const char *filepath) {
       if (vlen3 != 0) value3[vlen3] = 0;
     }
 
-    if (value2 != NULL && value3 != NULL && value2[0] != 0 && value3[0] != 0 && strcasecmp(name, "dataDir") == 0) {
+    if (strcasecmp(name, "dataDir") == 0) {
       code = cfgSetTfsItem(pConfig, name, value, value2, value3, CFG_STYPE_CFG_FILE);
       if (code != 0 && terrno != TSDB_CODE_CFG_NOT_FOUND) break;
-    } else {
-      code = cfgSetItem(pConfig, name, value, CFG_STYPE_CFG_FILE);
-      if (code != 0 && terrno != TSDB_CODE_CFG_NOT_FOUND) break;
     }
+    code = cfgSetItem(pConfig, name, value, CFG_STYPE_CFG_FILE);
+    if (code != 0 && terrno != TSDB_CODE_CFG_NOT_FOUND) break;
   }
 
   taosCloseFile(&pFile);
@@ -895,7 +891,7 @@ int32_t cfgLoadFromCfgFile(SConfig *pConfig, const char *filepath) {
 
 //     code = cfgSetItem(pConfig, name, value, CFG_STYPE_CFG_FILE);
 //     if (code != 0 && terrno != TSDB_CODE_CFG_NOT_FOUND) break;
-//     if (value2 != NULL && value3 != NULL && value2[0] != 0 && value3[0] != 0 && strcasecmp(name, "dataDir") == 0) {
+//     if (strcasecmp(name, "dataDir") == 0) {
 //       code = cfgSetTfsItem(pConfig, name, value, value2, value3, CFG_STYPE_CFG_FILE);
 //       if (code != 0 && terrno != TSDB_CODE_CFG_NOT_FOUND) break;
 //     }
@@ -993,13 +989,12 @@ int32_t cfgLoadFromApollUrl(SConfig *pConfig, const char *url) {
           paGetToken(value2 + vlen2 + 1, &value3, &vlen3);
           if (vlen3 != 0) value3[vlen3] = 0;
         }
-        if (value2 != NULL && value3 != NULL && value2[0] != 0 && value3[0] != 0 && strcasecmp(name, "dataDir") == 0) {
+        if (strcasecmp(name, "dataDir") == 0) {
           code = cfgSetTfsItem(pConfig, name, value, value2, value3, CFG_STYPE_APOLLO_URL);
           if (code != 0 && terrno != TSDB_CODE_CFG_NOT_FOUND) break;
-        } else {
-          code = cfgSetItem(pConfig, name, value, CFG_STYPE_APOLLO_URL);
-          if (code != 0 && terrno != TSDB_CODE_CFG_NOT_FOUND) break;
         }
+        code = cfgSetItem(pConfig, name, value, CFG_STYPE_APOLLO_URL);
+        if (code != 0 && terrno != TSDB_CODE_CFG_NOT_FOUND) break;
       }
     }
     tjsonDelete(pJson);
diff --git a/tests/system-test/1-insert/mutil_stage.py b/tests/system-test/1-insert/mutil_stage.py
index 3e2bec130e..8780ecc477 100644
--- a/tests/system-test/1-insert/mutil_stage.py
+++ b/tests/system-test/1-insert/mutil_stage.py
@@ -147,19 +147,20 @@ class TDTestCase:
     def __current_cfg(self):
         cfg_list = []
         current_case1 = [
-            f"dataDir {self.taos_data_dir}/{DATA_PRE0}0 {L0} {PRIMARY_DIR}",
+            #f"dataDir {self.taos_data_dir}/{DATA_PRE0}0 {L0} {PRIMARY_DIR}",
             f"dataDir {self.taos_data_dir}/{DATA_PRE0}1 {L0} {NON_PRIMARY_DIR}",
             f"dataDir {self.taos_data_dir}/{DATA_PRE1}1 {L1} {NON_PRIMARY_DIR}",
             f"dataDir {self.taos_data_dir}/{DATA_PRE2}2 {L2} {NON_PRIMARY_DIR}"
         ]
 
-        current_case2 = [f"dataDir {self.taos_data_dir}/{DATA_PRE0}0 {L0} {PRIMARY_DIR}"]
+        #current_case2 = [f"dataDir {self.taos_data_dir}/{DATA_PRE0}0 {L0} {PRIMARY_DIR}"]
+        current_case2 = []
         for i in range(9):
             current_case2.append(f"dataDir {self.taos_data_dir}/{DATA_PRE0}{i+1} {L0} {NON_PRIMARY_DIR}")
 
         # TD-17773bug
         current_case3 = [
-            f"dataDir {self.taos_data_dir}/{DATA_PRE0}0 ",
+            #f"dataDir {self.taos_data_dir}/{DATA_PRE0}0 ",
             f"dataDir {self.taos_data_dir}/{DATA_PRE0}1 {L0} {NON_PRIMARY_DIR}",
             f"dataDir {self.taos_data_dir}/{DATA_PRE1}0 {L1} {NON_PRIMARY_DIR}",
             f"dataDir {self.taos_data_dir}/{DATA_PRE2}0 {L2} {NON_PRIMARY_DIR}",