diff --git a/src/mnode/src/mgmtTable.c b/src/mnode/src/mgmtTable.c
index 073251a7daf324a9759397115c7f379d8fec0928..181a46c01e8f426f5ef7ff5e391a0716a08374b2 100644
--- a/src/mnode/src/mgmtTable.c
+++ b/src/mnode/src/mgmtTable.c
@@ -431,8 +431,8 @@ static int32_t mgmtSuperTableActionUpdate(SSdbOper *pOper) {
     void *oldSchema = pTable->schema;
     memcpy(pTable, pNew, pOper->rowSize);
     pTable->schema = pNew->schema;
-    free(pNew);
     free(pNew->vgList);
+    free(pNew);
     free(oldSchema);
   }