diff --git a/src/tsdb/src/tsdbMain.c b/src/tsdb/src/tsdbMain.c
index e650cef45c..4b9e977a1b 100644
--- a/src/tsdb/src/tsdbMain.c
+++ b/src/tsdb/src/tsdbMain.c
@@ -415,11 +415,11 @@ static int32_t tsdbCheckAndSetDefaultCfg(STsdbCfg *pCfg) {
 
   // Check maxTables
   if (pCfg->maxTables == -1) {
-    pCfg->maxTables = TSDB_DEFAULT_TABLES;
+    pCfg->maxTables = TSDB_DEFAULT_TABLES+1;
   } else {
-    if (pCfg->maxTables < TSDB_MIN_TABLES || pCfg->maxTables > TSDB_MAX_TABLES) {
+    if (pCfg->maxTables - 1 < TSDB_MIN_TABLES || pCfg->maxTables - 1 > TSDB_MAX_TABLES) {
       tsdbError("vgId:%d invalid maxTables configuration! maxTables %d TSDB_MIN_TABLES %d TSDB_MAX_TABLES %d",
-                pCfg->tsdbId, pCfg->maxTables, TSDB_MIN_TABLES, TSDB_MAX_TABLES);
+                pCfg->tsdbId, pCfg->maxTables - 1, TSDB_MIN_TABLES, TSDB_MAX_TABLES);
       goto _err;
     }
   }
diff --git a/src/tsdb/src/tsdbMeta.c b/src/tsdb/src/tsdbMeta.c
index dafc7dbb1b..9c9ac1699a 100644
--- a/src/tsdb/src/tsdbMeta.c
+++ b/src/tsdb/src/tsdbMeta.c
@@ -541,7 +541,7 @@ void tsdbRefTable(STable *pTable) {
 
 void tsdbUnRefTable(STable *pTable) {
   int32_t ref = T_REF_DEC(pTable);
-  tsdbDebug("unref table uid:%"PRIu64", tid:%d, refCount:%d", TABLE_UID(pTable), TABLE_TID(pTable), ref);
+  tsdbTrace("unref table uid:%"PRIu64", tid:%d, refCount:%d", TABLE_UID(pTable), TABLE_TID(pTable), ref);
 
   if (ref == 0) {
     // tsdbDebug("destory table name:%s uid:%"PRIu64", tid:%d", TABLE_CHAR_NAME(pTable), TABLE_UID(pTable), TABLE_TID(pTable));
diff --git a/src/vnode/src/vnodeRead.c b/src/vnode/src/vnodeRead.c
index 52adffff7e..6b157a0367 100644
--- a/src/vnode/src/vnodeRead.c
+++ b/src/vnode/src/vnodeRead.c
@@ -195,7 +195,6 @@ static int32_t vnodeProcessFetchMsg(SVnodeObj *pVnode, SReadMsg *pReadMsg) {
     }
   }
   
-  vDebug("vgId:%d, QInfo:%p, retrieve msg is disposed", pVnode->vgId, pQInfo);
   return code;
 }