diff --git a/source/dnode/mnode/impl/src/mndDb.c b/source/dnode/mnode/impl/src/mndDb.c
index bb7e593fea..c3e5195ad2 100644
--- a/source/dnode/mnode/impl/src/mndDb.c
+++ b/source/dnode/mnode/impl/src/mndDb.c
@@ -398,11 +398,14 @@ static int32_t mndCheckDbCfg(SMnode *pMnode, SDbCfg *pCfg) {
   if (pCfg->precision < TSDB_MIN_PRECISION && pCfg->precision > TSDB_MAX_PRECISION) return -1;
   if (pCfg->compression < TSDB_MIN_COMP_LEVEL || pCfg->compression > TSDB_MAX_COMP_LEVEL) return -1;
   if (pCfg->replications < TSDB_MIN_DB_REPLICA || pCfg->replications > TSDB_MAX_DB_REPLICA) return -1;
-  if (pCfg->replications > mndGetDnodeSize(pMnode)) return -1;
   if (pCfg->replications != 1 && pCfg->replications != 3) return -1;
   if (pCfg->strict < TSDB_DB_STRICT_OFF || pCfg->strict > TSDB_DB_STRICT_ON) return -1;
   if (pCfg->cacheLastRow < TSDB_MIN_DB_CACHE_LAST_ROW || pCfg->cacheLastRow > TSDB_MAX_DB_CACHE_LAST_ROW) return -1;
   if (pCfg->hashMethod != 1) return -1;
+  if (pCfg->replications > mndGetDnodeSize(pMnode)) {
+    terrno = TSDB_CODE_MND_NO_ENOUGH_DNODES;
+    return -1;
+  }
 
   terrno = 0;
   return TSDB_CODE_SUCCESS;
@@ -1447,8 +1450,8 @@ static void dumpDbInfoData(SSDataBlock *pBlock, SDbObj *pDb, SShowObj *pShow, in
   }
 
   char *status = "ready";
-  char  b[24] = {0};
-  STR_WITH_SIZE_TO_VARSTR(b, status, strlen(status));
+  char  statusB[24] = {0};
+  STR_WITH_SIZE_TO_VARSTR(statusB, status, strlen(status));
 
   if (sysDb) {
     for (int32_t i = 0; i < pShow->numOfColumns; ++i) {
@@ -1458,7 +1461,7 @@ static void dumpDbInfoData(SSDataBlock *pBlock, SDbObj *pDb, SShowObj *pShow, in
       } else if (i == 3) {
         colDataAppend(pColInfo, rows, (const char *)&numOfTables, false);
       } else if (i == 20) {
-        colDataAppend(pColInfo, rows, b, false);
+        colDataAppend(pColInfo, rows, statusB, false);
       } else {
         colDataAppendNULL(pColInfo, rows);
       }
@@ -1481,9 +1484,10 @@ static void dumpDbInfoData(SSDataBlock *pBlock, SDbObj *pDb, SShowObj *pShow, in
     colDataAppend(pColInfo, rows, (const char *)&pDb->cfg.replications, false);
 
     const char *src = pDb->cfg.strict ? "strict" : "nostrict";
-    STR_WITH_SIZE_TO_VARSTR(b, src, strlen(src));
+    char        strict[24] = {0};
+    STR_WITH_SIZE_TO_VARSTR(strict, src, strlen(src));
     pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
-    colDataAppend(pColInfo, rows, (const char *)b, false);
+    colDataAppend(pColInfo, rows, (const char *)strict, false);
 
     pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
     colDataAppend(pColInfo, rows, (const char *)&pDb->cfg.daysPerFile, false);
@@ -1554,7 +1558,7 @@ static void dumpDbInfoData(SSDataBlock *pBlock, SDbObj *pDb, SShowObj *pShow, in
     colDataAppend(pColInfo, rows, (const char *)&pDb->cfg.numOfStables, false);
 
     pColInfo = taosArrayGet(pBlock->pDataBlock, cols);
-    colDataAppend(pColInfo, rows, (const char *)b, false);
+    colDataAppend(pColInfo, rows, (const char *)statusB, false);
   }
 }
 
diff --git a/source/dnode/mnode/impl/src/mndTopic.c b/source/dnode/mnode/impl/src/mndTopic.c
index 8847bce890..3f559cb6c0 100644
--- a/source/dnode/mnode/impl/src/mndTopic.c
+++ b/source/dnode/mnode/impl/src/mndTopic.c
@@ -502,6 +502,17 @@ static int32_t mndProcessDropTopicReq(SRpcMsg *pReq) {
   }
 
   SMqTopicObj *pTopic = mndAcquireTopic(pMnode, dropReq.name);
+  // if (pTopic == NULL) {
+  //   if (dropReq.igNotExists) {
+  //     mDebug("topic:%s, not exist, ignore not exist is set", dropReq.name);
+  //     return 0;
+  //   } else {
+  //     terrno = TSDB_CODE_MND_TOPIC_NOT_EXIST;
+  //     mError("topic:%s, failed to drop since %s", dropReq.name, terrstr());
+  //     return -1;
+  //   }
+  // }
+
   if (pTopic->refConsumerCnt != 0) {
     mndReleaseTopic(pMnode, pTopic);
     terrno = TSDB_CODE_MND_TOPIC_SUBSCRIBED;
diff --git a/tests/script/tsim/tmq/prepareBasicEnv-1vgrp.sim b/tests/script/tsim/tmq/prepareBasicEnv-1vgrp.sim
index fbdea96f93..43b93b7372 100644
--- a/tests/script/tsim/tmq/prepareBasicEnv-1vgrp.sim
+++ b/tests/script/tsim/tmq/prepareBasicEnv-1vgrp.sim
@@ -39,7 +39,7 @@ sql show databases
 print ==> rows: $rows
 print ==> $data(db)[0] $data(db)[1] $data(db)[2] $data(db)[3] $data(db)[4] $data(db)[5] $data(db)[6] $data(db)[7] $data(db)[8] $data(db)[9] $data(db)[10] $data(db)[11] $data(db)[12]
 print     $data(db)[13] $data(db)[14] $data(db)[15] $data(db)[16] $data(db)[17] $data(db)[18] $data(db)[19] $data(db)[20]
-if $data(db)[19] != nostrict then
+if $data(db)[19] != ready then
   sleep 100
   $loop_cnt = $loop_cnt + 1
   goto check_db_ready  
diff --git a/tests/script/tsim/tmq/prepareBasicEnv-4vgrp.sim b/tests/script/tsim/tmq/prepareBasicEnv-4vgrp.sim
index 8b5573486d..5e81137ffa 100644
--- a/tests/script/tsim/tmq/prepareBasicEnv-4vgrp.sim
+++ b/tests/script/tsim/tmq/prepareBasicEnv-4vgrp.sim
@@ -39,7 +39,7 @@ sql show databases
 print ==> rows: $rows
 print ==> $data(db)[0] $data(db)[1] $data(db)[2] $data(db)[3] $data(db)[4] $data(db)[5] $data(db)[6] $data(db)[7] $data(db)[8] $data(db)[9] $data(db)[10] $data(db)[11] $data(db)[12]
 print     $data(db)[13] $data(db)[14] $data(db)[15] $data(db)[16] $data(db)[17] $data(db)[18] $data(db)[19] $data(db)[20]
-if $data(db)[19] != nostrict then
+if $data(db)[19] != ready then
   sleep 100
   $loop_cnt = $loop_cnt + 1
   goto check_db_ready  
diff --git a/tests/script/tsim/tmq/topic.sim b/tests/script/tsim/tmq/topic.sim
index f1dbf98bb0..9add349a18 100644
--- a/tests/script/tsim/tmq/topic.sim
+++ b/tests/script/tsim/tmq/topic.sim
@@ -31,7 +31,7 @@ sql show databases
 print ==> rows: $rows
 print ==> $data(db)[0] $data(db)[1] $data(db)[2] $data(db)[3] $data(db)[4] $data(db)[5] $data(db)[6] $data(db)[7] $data(db)[8] $data(db)[9] $data(db)[10] $data(db)[11] $data(db)[12]
 print     $data(db)[13] $data(db)[14] $data(db)[15] $data(db)[16] $data(db)[17] $data(db)[18] $data(db)[19] $data(db)[20]
-if $data(db)[19] != nostrict then
+if $data(db)[19] != ready then
   sleep 100
   $loop_cnt = $loop_cnt + 1
   goto check_db_ready