diff --git a/source/common/src/tglobal.c b/source/common/src/tglobal.c
index ddda8f8c9aafcdf3558525bd51666d9975f555c4..64d376d26580a204ba69c4a37c0068ddc52f727d 100644
--- a/source/common/src/tglobal.c
+++ b/source/common/src/tglobal.c
@@ -58,7 +58,7 @@ int32_t tsNumOfMnodeFetchThreads = 1;
 int32_t tsNumOfMnodeReadThreads = 1;
 int32_t tsNumOfVnodeQueryThreads = 4;
 int32_t tsNumOfVnodeStreamThreads = 2;
-int32_t tsNumOfVnodeFetchThreads = 4;
+int32_t tsNumOfVnodeFetchThreads = 1;
 int32_t tsNumOfVnodeWriteThreads = 2;
 int32_t tsNumOfVnodeSyncThreads = 2;
 int32_t tsNumOfVnodeRsmaThreads = 2;
@@ -365,8 +365,7 @@ static int32_t taosAddServerCfg(SConfig *pCfg) {
   tsNumOfVnodeStreamThreads = TMAX(tsNumOfVnodeStreamThreads, 4);
   if (cfgAddInt32(pCfg, "numOfVnodeStreamThreads", tsNumOfVnodeStreamThreads, 4, 1024, 0) != 0) return -1;
 
-  tsNumOfVnodeFetchThreads = tsNumOfCores / 4;
-  tsNumOfVnodeFetchThreads = TMAX(tsNumOfVnodeFetchThreads, 4);
+  tsNumOfVnodeFetchThreads = 1;
   if (cfgAddInt32(pCfg, "numOfVnodeFetchThreads", tsNumOfVnodeFetchThreads, 4, 1024, 0) != 0) return -1;
 
   tsNumOfVnodeWriteThreads = tsNumOfCores;
@@ -385,9 +384,9 @@ static int32_t taosAddServerCfg(SConfig *pCfg) {
   tsNumOfQnodeQueryThreads = TMAX(tsNumOfQnodeQueryThreads, 4);
   if (cfgAddInt32(pCfg, "numOfQnodeQueryThreads", tsNumOfQnodeQueryThreads, 1, 1024, 0) != 0) return -1;
 
-//  tsNumOfQnodeFetchThreads = tsNumOfCores / 2;
-//  tsNumOfQnodeFetchThreads = TMAX(tsNumOfQnodeFetchThreads, 4);
-//  if (cfgAddInt32(pCfg, "numOfQnodeFetchThreads", tsNumOfQnodeFetchThreads, 1, 1024, 0) != 0) return -1;
+  //  tsNumOfQnodeFetchThreads = tsNumOfCores / 2;
+  //  tsNumOfQnodeFetchThreads = TMAX(tsNumOfQnodeFetchThreads, 4);
+  //  if (cfgAddInt32(pCfg, "numOfQnodeFetchThreads", tsNumOfQnodeFetchThreads, 1, 1024, 0) != 0) return -1;
 
   tsNumOfSnodeSharedThreads = tsNumOfCores / 4;
   tsNumOfSnodeSharedThreads = TRANGE(tsNumOfSnodeSharedThreads, 2, 4);
@@ -527,15 +526,15 @@ static int32_t taosUpdateServerCfg(SConfig *pCfg) {
     pItem->stype = stype;
   }
 
-/*
-  pItem = cfgGetItem(tsCfg, "numOfQnodeFetchThreads");
-  if (pItem != NULL && pItem->stype == CFG_STYPE_DEFAULT) {
-    tsNumOfQnodeFetchThreads = numOfCores / 2;
-    tsNumOfQnodeFetchThreads = TMAX(tsNumOfQnodeFetchThreads, 4);
-    pItem->i32 = tsNumOfQnodeFetchThreads;
-    pItem->stype = stype;
-  }
-*/
+  /*
+    pItem = cfgGetItem(tsCfg, "numOfQnodeFetchThreads");
+    if (pItem != NULL && pItem->stype == CFG_STYPE_DEFAULT) {
+      tsNumOfQnodeFetchThreads = numOfCores / 2;
+      tsNumOfQnodeFetchThreads = TMAX(tsNumOfQnodeFetchThreads, 4);
+      pItem->i32 = tsNumOfQnodeFetchThreads;
+      pItem->stype = stype;
+    }
+  */
 
   pItem = cfgGetItem(tsCfg, "numOfSnodeSharedThreads");
   if (pItem != NULL && pItem->stype == CFG_STYPE_DEFAULT) {
@@ -693,7 +692,7 @@ static int32_t taosSetServerCfg(SConfig *pCfg) {
   tsNumOfVnodeSyncThreads = cfgGetItem(pCfg, "numOfVnodeSyncThreads")->i32;
   tsNumOfVnodeRsmaThreads = cfgGetItem(pCfg, "numOfVnodeRsmaThreads")->i32;
   tsNumOfQnodeQueryThreads = cfgGetItem(pCfg, "numOfQnodeQueryThreads")->i32;
-//  tsNumOfQnodeFetchThreads = cfgGetItem(pCfg, "numOfQnodeFetchThreads")->i32;
+  //  tsNumOfQnodeFetchThreads = cfgGetItem(pCfg, "numOfQnodeFetchThreads")->i32;
   tsNumOfSnodeSharedThreads = cfgGetItem(pCfg, "numOfSnodeSharedThreads")->i32;
   tsNumOfSnodeUniqueThreads = cfgGetItem(pCfg, "numOfSnodeUniqueThreads")->i32;
   tsRpcQueueMemoryAllowed = cfgGetItem(pCfg, "rpcQueueMemoryAllowed")->i64;
@@ -941,10 +940,10 @@ int32_t taosSetCfg(SConfig *pCfg, char *name) {
         tsNumOfVnodeRsmaThreads = cfgGetItem(pCfg, "numOfVnodeRsmaThreads")->i32;
       } else if (strcasecmp("numOfQnodeQueryThreads", name) == 0) {
         tsNumOfQnodeQueryThreads = cfgGetItem(pCfg, "numOfQnodeQueryThreads")->i32;
-/*        
-      } else if (strcasecmp("numOfQnodeFetchThreads", name) == 0) {
-        tsNumOfQnodeFetchThreads = cfgGetItem(pCfg, "numOfQnodeFetchThreads")->i32;
-*/
+        /*
+              } else if (strcasecmp("numOfQnodeFetchThreads", name) == 0) {
+                tsNumOfQnodeFetchThreads = cfgGetItem(pCfg, "numOfQnodeFetchThreads")->i32;
+        */
       } else if (strcasecmp("numOfSnodeSharedThreads", name) == 0) {
         tsNumOfSnodeSharedThreads = cfgGetItem(pCfg, "numOfSnodeSharedThreads")->i32;
       } else if (strcasecmp("numOfSnodeUniqueThreads", name) == 0) {
diff --git a/source/dnode/vnode/src/tq/tq.c b/source/dnode/vnode/src/tq/tq.c
index db3076e1bdc9ba5923f8d539f6fe827548b805a9..cbe916d0f772eea4d0cb238c0369b49df7b63b51 100644
--- a/source/dnode/vnode/src/tq/tq.c
+++ b/source/dnode/vnode/src/tq/tq.c
@@ -141,11 +141,8 @@ int32_t tqSendDataRsp(STQ* pTq, const SRpcMsg* pMsg, const SMqPollReq* pReq, con
   ASSERT(taosArrayGetSize(pRsp->blockData) == pRsp->blockNum);
   ASSERT(taosArrayGetSize(pRsp->blockDataLen) == pRsp->blockNum);
 
-  if (pRsp->withSchema) {
-    ASSERT(taosArrayGetSize(pRsp->blockSchema) == pRsp->blockNum);
-  } else {
-    ASSERT(taosArrayGetSize(pRsp->blockSchema) == 0);
-  }
+  ASSERT(!pRsp->withSchema);
+  ASSERT(taosArrayGetSize(pRsp->blockSchema) == 0);
 
   if (pRsp->reqOffset.type == TMQ_OFFSET__LOG) {
     if (pRsp->blockNum > 0) {
diff --git a/source/libs/wal/src/walMeta.c b/source/libs/wal/src/walMeta.c
index b7783d0629f0853dc43863e07082899fbe55e608..5284aeff779f6b26f6f5a39aba61c781264108fd 100644
--- a/source/libs/wal/src/walMeta.c
+++ b/source/libs/wal/src/walMeta.c
@@ -424,6 +424,7 @@ int walLoadMeta(SWal* pWal) {
   // find existing meta file
   int metaVer = walFindCurMetaVer(pWal);
   if (metaVer == -1) {
+    wDebug("vgId:%d wal find meta ver %d", pWal->cfg.vgId, metaVer);
     return -1;
   }
   char fnameStr[WAL_FILE_LEN];