diff --git a/src/inc/taosmsg.h b/src/inc/taosmsg.h
index dd6dc52242695ce43fbd553af0662a7dd36bcdfb..5f3ea93afb6d3e82dbef1f8c350b5c002266175f 100644
--- a/src/inc/taosmsg.h
+++ b/src/inc/taosmsg.h
@@ -345,7 +345,6 @@ typedef struct {
 } SMDDropTableMsg;
 
 typedef struct {
-  int32_t contLen;
   int32_t vgId;
   int64_t uid;
   char    tableId[TSDB_TABLE_ID_LEN + 1];
diff --git a/src/mnode/src/mgmtTable.c b/src/mnode/src/mgmtTable.c
index 0edb11972497b760042965f71f5ddf711d79d85c..1813be6522c1791e96746da7620334ff9bc83729 100644
--- a/src/mnode/src/mgmtTable.c
+++ b/src/mnode/src/mgmtTable.c
@@ -756,8 +756,26 @@ static void mgmtProcessCreateSuperTableMsg(SQueuedMsg *pMsg) {
 static void mgmtProcessDropSuperTableMsg(SQueuedMsg *pMsg) {
   SSuperTableObj *pStable = (SSuperTableObj *)pMsg->pTable;
   if (pStable->numOfTables != 0) {
-    mError("stable:%s, numOfTables:%d not 0", pStable->info.tableId, pStable->numOfTables);
-    mgmtSendSimpleResp(pMsg->thandle, TSDB_CODE_OTHERS);
+    mgmtDropAllChildTablesInStable(pStable);
+    for (int32_t vg = 0; vg < pTable->vgLen; ++vg) {
+      int32_t vgId = pTable->vgList[vg];
+      if (vgId == 0) break;
+
+      SMDDropSTableMsg *pDrop = rpcMalloc(sizeof(SMDDropSTableMsg));
+      pDrop->vgId = htonl(vgId);
+      pDrop->uid = htobe64(pStable->uid);
+      mgmtExtractTableName(pStable->info.tableId, pDrop->tableId);
+
+      SVgObj *pVgroup = mgmtGetVgroup(vgId);
+      if (pVgroup != NULL) {
+        SRpcIpSet ipSet = mgmtGetIpSetFromVgroup(pVgroup);
+        SRpcMsg rpcMsg = {.pCont = pDrop, .contLen = sizeof(SMDDropSTableMsg), .msgType = TSDB_MSG_TYPE_MD_DROP_STABLE};
+        mgmtSendMsgToDnode(&ipSet, &rpcMsg);
+        mgmtDecVgroupRef(pVgroup);
+      }
+    }
+    //mError("stable:%s, numOfTables:%d not 0", pStable->info.tableId, pStable->numOfTables);
+    //mgmtSendSimpleResp(pMsg->thandle, TSDB_CODE_OTHERS);
   } else {
     SSdbOper oper = {
       .type = SDB_OPER_GLOBAL,
diff --git a/src/vnode/src/vnodeWrite.c b/src/vnode/src/vnodeWrite.c
index 81cba7b6fac6fa366ef67797ed12415a17c34298..26808f2e4e5b360cc5fa23c18036ae068dfd8aaf 100644
--- a/src/vnode/src/vnodeWrite.c
+++ b/src/vnode/src/vnodeWrite.c
@@ -224,11 +224,10 @@ static int32_t vnodeProcessDropStableMsg(SVnodeObj *pVnode, void *pCont, SRspRet
   int32_t code = 0;
 
   dTrace("pVnode:%p vgId:%d, stable:%s, start to drop", pVnode, pVnode->vgId, pTable->tableId);
-  // int64_t uid = htobe64(pTable->uid);
-
   // TODO: drop stable in vvnode
+  //int64_t uid = htobe64(pTable->uid);
   //void *pTsdb = dnodeGetVnodeTsdb(pMsg->pVnode);
-  //rpcRsp.code = tsdbDropSTable(pTsdb, pTable->uid);
+  //rpcRsp.code = tsdbDropTable(pTsdb, pTable->uid);
 
   code = TSDB_CODE_SUCCESS;
   dTrace("pVnode:%p vgId:%d, stable:%s, drop stable result:%x", pVnode, pTable->tableId, code);