diff --git a/src/client/src/tscSQLParser.c b/src/client/src/tscSQLParser.c
index 3bc73772676f8bf14b830bb7c41d32a8cd991ff5..37dccba175284effb4d88f9dc9cd9eae05fd4805 100644
--- a/src/client/src/tscSQLParser.c
+++ b/src/client/src/tscSQLParser.c
@@ -2798,7 +2798,6 @@ int32_t setKillInfo(SSqlObj* pSql, struct SSqlInfo* pInfo, int32_t killType) {
 }
 static int32_t setCompactVnodeInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
   SSqlCmd* pCmd = &pSql->cmd;
-  //STableMetaInfo* pTableMetaInfo = tscGetTableMetaInfoFromCmd(pCmd, pCmd->clauseIndex, 0);
   pCmd->command = pInfo->type;
   
   return TSDB_CODE_SUCCESS;
diff --git a/src/client/src/tscServer.c b/src/client/src/tscServer.c
index 180dae0afb83caf1ebdea1f3ef484a283451809b..1c9b29ccf715d70d7615da2e22dec1fb58707d18 100644
--- a/src/client/src/tscServer.c
+++ b/src/client/src/tscServer.c
@@ -1575,7 +1575,7 @@ int tscBuildCompactMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
   for (int32_t i = 0; i < size; i++) {
     tSqlExprItem* pSub = taosArrayGet(pList, i);
     tVariant* pVar = &pSub->pNode->value;
-    if (pVar->nType >= TSDB_DATA_TYPE_TINYINT && pVar->nType <= TSDB_DATA_TYPE_INT) {
+    if (pVar->nType >= TSDB_DATA_TYPE_TINYINT && pVar->nType <= TSDB_DATA_TYPE_BIGINT) {
       result[i] = (int32_t)(pVar->i64); 
     } else { 
       free(result);
@@ -1603,7 +1603,7 @@ int tscBuildCompactMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
   } else {
     tNameGetFullDbName(&pTableMetaInfo->name, pCompactMsg->db);
   } 
-
+ 
   pCompactMsg->numOfVgroup = htons(count);
   for (int32_t i = 0; i < count; i++) {
     pCompactMsg->vgid[i] = htons(result[i]);   
diff --git a/src/dnode/src/dnodeShell.c b/src/dnode/src/dnodeShell.c
index 50343cfd32405d5408cc9d6c5e939db30bf9b832..c80e1059b40b08b9eb592dc150974bef9746a1a9 100644
--- a/src/dnode/src/dnodeShell.c
+++ b/src/dnode/src/dnodeShell.c
@@ -61,6 +61,7 @@ int32_t dnodeInitShell() {
   dnodeProcessShellMsgFp[TSDB_MSG_TYPE_CM_KILL_STREAM] = dnodeDispatchToMWriteQueue;
   dnodeProcessShellMsgFp[TSDB_MSG_TYPE_CM_KILL_CONN]   = dnodeDispatchToMWriteQueue;
   dnodeProcessShellMsgFp[TSDB_MSG_TYPE_CM_CONFIG_DNODE]= dnodeDispatchToMWriteQueue;
+  dnodeProcessShellMsgFp[TSDB_MSG_TYPE_CM_COMPACT_VNODE]= dnodeDispatchToMWriteQueue;
 
   // the following message shall be treated as mnode query
   dnodeProcessShellMsgFp[TSDB_MSG_TYPE_CM_HEARTBEAT]   = dnodeDispatchToMReadQueue;
diff --git a/src/mnode/src/mnodeDb.c b/src/mnode/src/mnodeDb.c
index 9e064a2f9e3686bb9bde06916a832943665e5425..3c78a0e33daee4c8415f2621125e90f6cc06883d 100644
--- a/src/mnode/src/mnodeDb.c
+++ b/src/mnode/src/mnodeDb.c
@@ -1226,25 +1226,34 @@ static int32_t mnodeSyncDb(SDbObj *pDb, SMnodeMsg *pMsg) {
 
 
 static int32_t mnodeCompact(SDbObj *pDb, SCompactMsg *pCompactMsg) {
-  int32_t count = htonl(pCompactMsg->numOfVgroup);  
-  int32_t *buf = malloc(sizeof(int32_t) * count); 
+  int32_t count = ntohs(pCompactMsg->numOfVgroup);  
+  int32_t *buf  = malloc(sizeof(int32_t) * count); 
   if (buf == NULL) {
     return  TSDB_CODE_MND_OUT_OF_MEMORY;
   }
   for (int32_t i = 0; i < count; i++) {
-    buf[i] = htonl(pCompactMsg->vgid[i]);
+    buf[i] = ntohs(pCompactMsg->vgid[i]);
   }
    
   // copy from mnodeSyncDb, so ugly
-  void *pIter = NULL;
-  SVgObj *pVgroup = NULL;
-  while (1) {
-    pIter = mnodeGetNextVgroup(pIter, &pVgroup);
-    if (pVgroup == NULL) break;
-    if (pVgroup->pDb == pDb) {
-      mnodeSendCompactVgroupMsg(pVgroup);
+  for (int32_t i = 0; i < count; i++) {
+    SVgObj *pVgroup = NULL;
+    void *pIter = NULL;
+    bool  valid = false;
+    while (1) {
+      pIter = mnodeGetNextVgroup(pIter, &pVgroup);
+      if (pVgroup == NULL) break;
+      if (pVgroup->pDb == pDb && pVgroup->vgId == buf[i]) {
+        mnodeSendCompactVgroupMsg(pVgroup);
+        mnodeDecVgroupRef(pVgroup);
+        valid = true; 
+        break;
+      }
+      mnodeDecVgroupRef(pVgroup);
+    }
+    if (valid == false) {
+      mLError("db:%s, cannot find valid vgId: %d", pDb->name, buf[i]);
     }
-    mnodeDecVgroupRef(pVgroup);
   }
   free(buf); 
 
@@ -1279,6 +1288,7 @@ static int32_t mnodeProcessCompactMsg(SMnodeMsg *pMsg) {
   mDebug("db:%s, compact is received from thandle:%p", pCompact->db, pMsg->rpcMsg.handle);
   
   if (pMsg->pDb == NULL) pMsg->pDb = mnodeGetDb(pCompact->db);
+  if (pMsg->pDb == NULL) return TSDB_CODE_MND_DB_NOT_SELECTED;
   
   if (pMsg->pDb->status != TSDB_DB_STATUS_READY) {
     mError("db:%s, status:%d, in dropping, ignore compact request", pCompact->db, pMsg->pDb->status);