diff --git a/src/system/detail/inc/mgmt.h b/src/system/detail/inc/mgmt.h
index 27928648e5890e9c807f82b23c410bf06b0c0b5f..3ec4f9ec6a9679691ce9596ab4b1dd5f4b637568 100644
--- a/src/system/detail/inc/mgmt.h
+++ b/src/system/detail/inc/mgmt.h
@@ -146,7 +146,10 @@ typedef struct _vg_obj {
 } SVgObj;
 
 typedef struct _db_obj {
-  char    name[TSDB_METER_ID_LEN + 1];
+  /*
+   * this length will cause the storage structure to change, rollback
+   */
+  char    name[TSDB_DB_NAME_LEN + 1];
   int64_t createdTime;
   SDbCfg  cfg;
   int32_t numOfVgroups;