diff --git a/source/libs/catalog/src/ctgDbg.c b/source/libs/catalog/src/ctgDbg.c
index 1d4ad0082c7e0736dc2ccad54609319e29e426f7..9897370f2d27699c3568359f765df1c2dc9159c6 100644
--- a/source/libs/catalog/src/ctgDbg.c
+++ b/source/libs/catalog/src/ctgDbg.c
@@ -21,6 +21,129 @@
 extern SCatalogMgmt gCtgMgmt;
 SCtgDebug gCTGDebug = {0};
 
+void ctgdUserCallback(SMetaData* pResult, void* param, int32_t code) {
+  ASSERT(*(int32_t*)param == 1);
+  taosMemoryFree(param);
+
+  ctgDebug("async call result: %s", tstrerror(code));
+  if (NULL == pResult) {
+    ctgDebug("empty meta result");
+    return;
+  }
+
+  int32_t num = 0;
+
+  if (pResult->pTableMeta && taosArrayGetSize(pResult->pTableMeta) > 0) {
+    num = taosArrayGetSize(pResult->pTableMeta);
+    for (int32_t i = 0; i < num; ++i) {
+      STableMeta *p = taosArrayGet(pResult->pTableMeta, i);
+      STableComInfo *c = &p->tableInfo;
+      
+      if (TSDB_CHILD_TABLE == p->tableType) {
+        ctgDebug("table meta: type:%d, vgId:%d, uid:%" PRIx64 ",suid:%" PRIx64, p->tableType, p->vgId, p->uid, p->suid);
+        return;
+      } else {
+        ctgDebug("table meta: type:%d, vgId:%d, uid:%" PRIx64 ",suid:%" PRIx64 ",sv:%d, tv:%d, tagNum:%d, precision:%d, colNum:%d, rowSize:%d",
+         p->tableType, p->vgId, p->uid, p->suid, p->sversion, p->tversion, c->numOfTags, c->precision, c->numOfColumns, c->rowSize);
+      }
+      
+      int32_t colNum = c->numOfColumns + c->numOfTags;
+      for (int32_t j = 0; j < colNum; ++j) {
+        SSchema *s = &p->schema[j];
+        ctgDebug("[%d] name:%s, type:%d, colId:%d, bytes:%d", j, s->name, s->type, s->colId, s->bytes);
+      }
+    }
+  } else {
+    ctgDebug("empty table meta");
+  }
+
+  if (pResult->pDbVgroup && taosArrayGetSize(pResult->pDbVgroup) > 0) {
+    num = taosArrayGetSize(pResult->pDbVgroup);
+    for (int32_t i = 0; i < num; ++i) {
+      SArray *pDb = *(SArray**)taosArrayGet(pResult->pDbVgroup, i);
+      int32_t vgNum = taosArrayGetSize(pDb);
+      for (int32_t j = 0; j < vgNum; ++j) {
+        SVgroupInfo* pInfo = taosArrayGet(pDb, j);
+        ctgDebug(param, ...);
+      }
+    }
+  } else {
+    ctgDebug("empty db vgroup");
+  }
+}
+
+int32_t ctgdLaunchAsyncCall(SCatalog* pCtg, void *pTrans, const SEpSet* pMgmtEps, uint64_t reqId) {
+  int32_t code = 0;
+  SCatalogReq req = {0};
+  req.pTableMeta = taosArrayInit(2, sizeof(SName));
+  req.pDbVgroup = taosArrayInit(2, TSDB_DB_FNAME_LEN);
+  req.pTableHash = taosArrayInit(2, sizeof(SName));
+  req.pUdf = taosArrayInit(2, TSDB_FUNC_NAME_LEN);
+  req.pDbCfg = taosArrayInit(2, TSDB_DB_FNAME_LEN);
+  req.pIndex = NULL;//taosArrayInit(2, TSDB_INDEX_FNAME_LEN);
+  req.pUser = taosArrayInit(2, sizeof(SUserAuthInfo));
+  req.qNodeRequired = true;
+
+  SName name = {0};
+  char dbFName[TSDB_DB_FNAME_LEN] = {0};
+  char funcName[TSDB_FUNC_NAME_LEN] = {0};
+  SUserAuthInfo user = {0};
+  
+  tNameFromString(&name, "1.db1.tb1", T_NAME_ACCT | T_NAME_DB | T_NAME_TABLE);
+  taosArrayPush(req.pTableMeta, &name);
+  taosArrayPush(req.pTableHash, &name);
+  tNameFromString(&name, "1.db1.st1", T_NAME_ACCT | T_NAME_DB | T_NAME_TABLE);
+  taosArrayPush(req.pTableMeta, &name);
+  taosArrayPush(req.pTableHash, &name);
+
+  strcpy(dbFName, "1.db1");
+  taosArrayPush(req.pDbVgroup, dbFName);
+  taosArrayPush(req.pDbCfg, dbFName);
+  strcpy(dbFName, "1.db2");
+  taosArrayPush(req.pDbVgroup, dbFName);
+  taosArrayPush(req.pDbCfg, dbFName);
+
+  strcpy(funcName, "udf1");
+  taosArrayPush(req.pUdf, funcName);
+  strcpy(funcName, "udf2");
+  taosArrayPush(req.pUdf, funcName);
+
+  strcpy(user.user, "root");
+  strcpy(user.dbFName, "1.db1");
+  user.type = AUTH_TYPE_READ;
+  taosArrayPush(req.pUser, &user);
+  user.type = AUTH_TYPE_WRITE;
+  taosArrayPush(req.pUser, &user);
+  user.type = AUTH_TYPE_OTHER;
+  taosArrayPush(req.pUser, &user);
+
+  strcpy(user.user, "user1");
+  strcpy(user.dbFName, "1.db2");
+  user.type = AUTH_TYPE_READ;
+  taosArrayPush(req.pUser, &user);
+  user.type = AUTH_TYPE_WRITE;
+  taosArrayPush(req.pUser, &user);
+  user.type = AUTH_TYPE_OTHER;
+  taosArrayPush(req.pUser, &user);
+
+  int32_t *param = taosMemoryCalloc(1, sizeof(int32_t));
+  *param = 1;
+  
+  int64_t jobId = 0;
+  CTG_ERR_JRET(catalogAsyncGetAllMeta(pCtg, pTrans, pMgmtEps, reqId, &req, ctgdUserCallback, param, &jobId));
+
+_return:
+
+  taosArrayDestroy(req.pTableMeta);
+  taosArrayDestroy(req.pDbVgroup);
+  taosArrayDestroy(req.pTableHash);
+  taosArrayDestroy(req.pUdf);
+  taosArrayDestroy(req.pDbCfg);
+  taosArrayDestroy(req.pUser);
+
+  CTG_RET(code);  
+}
+
 int32_t ctgdEnableDebug(char *option) {
   if (0 == strcasecmp(option, "lock")) {
     gCTGDebug.lockEnable = true;