diff --git a/source/dnode/mnode/impl/src/mndUser.c b/source/dnode/mnode/impl/src/mndUser.c
index c1ce147444b1d37128b0d338bc3da8bc9bee2ebd..56f4a629ef8985a5513e8bc9bb8177839cec826d 100644
--- a/source/dnode/mnode/impl/src/mndUser.c
+++ b/source/dnode/mnode/impl/src/mndUser.c
@@ -702,6 +702,39 @@ static int32_t mndTablePriviledge(SMnode *pMnode, SHashObj *hash, SAlterUserReq
   return 0;
 }
 
+static int32_t mndRemoveTablePriviledge(SMnode *pMnode, SHashObj *hash, SAlterUserReq *alterReq, SSdb *pSdb){
+  void         *pIter = NULL;
+  if (strcmp(alterReq->objname, "1.*") != 0) {
+    char tbFName[TSDB_TABLE_FNAME_LEN] = {0};
+    snprintf(tbFName, sizeof(tbFName), "%s.%s", alterReq->objname, alterReq->tabName);
+    int32_t len = strlen(tbFName) + 1;
+
+    if (taosHashRemove(hash, tbFName, len) != 0) {
+      return -1;
+    }
+  } else {
+    while (1) {
+      SStbObj *pStb = NULL;
+      pIter = sdbFetch(pSdb, SDB_STB, pIter, (void **)&pStb);
+      if (pIter == NULL) break;
+      int32_t len = strlen(pStb->name) + 1;
+
+      if(strcmp(pStb->db, alterReq->objname) == 0){
+        if (taosHashRemove(hash, pStb->name, len) != 0) {
+          mndReleaseStb(pMnode, pStb);
+          return -1;
+        }
+      }
+
+      //taosHashPut(newUser.writeStbs, pStb->name, len, pStb->name, TSDB_DB_FNAME_LEN);
+      //sdbRelease(pSdb, pStb);
+    }
+
+    //taosHashClear(newUser.readStbs);
+  }  
+  return 0;
+}
+
 static int32_t mndProcessAlterUserReq(SRpcMsg *pReq) {
   SMnode       *pMnode = pReq->info.node;
   SSdb         *pSdb = pMnode->pSdb;
@@ -852,75 +885,13 @@ static int32_t mndProcessAlterUserReq(SRpcMsg *pReq) {
   if (alterReq.alterType == TSDB_ALTER_USER_REMOVE_READ_TABLE || 
       alterReq.alterType == TSDB_ALTER_USER_REMOVE_READ_TAG || 
       alterReq.alterType == TSDB_ALTER_USER_REMOVE_ALL_TABLE) {
-    if (strcmp(alterReq.objname, "1.*") != 0) {
-      char tbFName[TSDB_TABLE_FNAME_LEN] = {0};
-      snprintf(tbFName, sizeof(tbFName), "%s.%s", alterReq.objname, alterReq.tabName);
-
-      int32_t len = strlen(tbFName) + 1;
-      SStbObj *pStb = mndAcquireStb(pMnode, tbFName);
-      if (pStb == NULL) {
-        mndReleaseStb(pMnode, pStb);
-        goto _OVER;
-      }  
-
-      if (taosHashRemove(newUser.readTbs, tbFName, len) != 0) {
-        mndReleaseStb(pMnode, pStb);
-        goto _OVER;
-      }
-    } else {
-      while (1) {
-        SStbObj *pStb = NULL;
-        pIter = sdbFetch(pSdb, SDB_STB, pIter, (void **)&pStb);
-        if (pIter == NULL) break;
-        int32_t len = strlen(pStb->name) + 1;
-
-        if(strcmp(pStb->db, alterReq.objname) == 0){
-          if (taosHashRemove(newUser.readTbs, pStb->name, len) != 0) {
-            mndReleaseStb(pMnode, pStb);
-            goto _OVER;
-          }
-        }
-
-        //taosHashPut(newUser.writeStbs, pStb->name, len, pStb->name, TSDB_DB_FNAME_LEN);
-        //sdbRelease(pSdb, pStb);
-      }
-
-      //taosHashClear(newUser.readStbs);
-    }
+    if(mndRemoveTablePriviledge(pMnode, newUser.readTbs, &alterReq, pSdb) != 0) goto _OVER;
   }
 
   if (alterReq.alterType == TSDB_ALTER_USER_REMOVE_WRITE_TABLE ||
       alterReq.alterType == TSDB_ALTER_USER_REMOVE_WRITE_TAG ||
       alterReq.alterType == TSDB_ALTER_USER_REMOVE_ALL_TABLE) {
-    if (strcmp(alterReq.objname, "1.*") != 0) {
-      char tbFName[TSDB_TABLE_FNAME_LEN] = {0};
-      snprintf(tbFName, sizeof(tbFName), "%s.%s", alterReq.objname, alterReq.tabName);
-
-      int32_t len = strlen(tbFName) + 1;
-      SStbObj *pStb = mndAcquireStb(pMnode, tbFName);
-      if (pStb == NULL) {
-        mndReleaseStb(pMnode, pStb);
-        goto _OVER;
-      }
-      if (taosHashRemove(newUser.writeTbs, tbFName, len) != 0) {
-        mndReleaseStb(pMnode, pStb);
-        goto _OVER;
-      }
-    } else {
-      while (1) {
-        SStbObj *pStb = NULL;
-        pIter = sdbFetch(pSdb, SDB_STB, pIter, (void **)&pStb);
-        if (pIter == NULL) break;
-        int32_t len = strlen(pStb->name) + 1;
-
-        if(strcmp(pStb->db, alterReq.objname) == 0){
-          if (taosHashRemove(newUser.writeTbs, pStb->name, len) != 0) {
-            mndReleaseStb(pMnode, pStb);
-            goto _OVER;
-          }
-        }
-      }
-    }
+    if(mndRemoveTablePriviledge(pMnode, newUser.writeTbs, &alterReq, pSdb) != 0) goto _OVER;
   }
 
   if (alterReq.alterType == TSDB_ALTER_USER_ADD_SUBSCRIBE_TOPIC) {