diff --git a/src/tsdb/src/tsdbRead.c b/src/tsdb/src/tsdbRead.c
index 84615ff8c24bfa21d3687f7448fbcfab8f9f0b6e..6576e7d7f179268ecae703a06823211943b26676 100644
--- a/src/tsdb/src/tsdbRead.c
+++ b/src/tsdb/src/tsdbRead.c
@@ -414,6 +414,7 @@ static void    filterDataInDataBlock(STsdbQueryHandle* pQueryHandle, STableCheck
 static int32_t binarySearchForKey(char* pValue, int num, TSKEY key, int order);
 
 static bool doLoadFileDataBlock(STsdbQueryHandle* pQueryHandle, SCompBlock* pBlock, STableCheckInfo* pCheckInfo) {
+  STsdbRepo *pRepo = pQueryHandle->pTsdb;
   SCompData* data = calloc(1, sizeof(SCompData) + sizeof(SCompCol) * pBlock->numOfCols);
 
   data->numOfCols = pBlock->numOfCols;
@@ -423,7 +424,7 @@ static bool doLoadFileDataBlock(STsdbQueryHandle* pQueryHandle, SCompBlock* pBlo
   SArray* sa = getDefaultLoadColumns(pQueryHandle, true);
 
   if (pCheckInfo->pDataCols == NULL) {
-    pCheckInfo->pDataCols = tdNewDataCols(1000, 100, 4096);  //todo fix me
+    pCheckInfo->pDataCols = tdNewDataCols(pRepo->tsdbMeta->maxRowBytes, pRepo->tsdbMeta->maxCols, pRepo->config.maxRowsPerFileBlock);
   }
 
   tdInitDataCols(pCheckInfo->pDataCols, tsdbGetTableSchema(tsdbGetMeta(pQueryHandle->pTsdb), pCheckInfo->pTableObj));
diff --git a/src/vnode/inc/vnodeInt.h b/src/vnode/inc/vnodeInt.h
index d4842fdf7fb305f41d2d39799cae98a746d2da52..b2dd69df37333b7df87ba4c6aa24af15ea682bdb 100644
--- a/src/vnode/inc/vnodeInt.h
+++ b/src/vnode/inc/vnodeInt.h
@@ -49,6 +49,7 @@ typedef struct {
   STsdbCfg    tsdbCfg;
   SSyncCfg    syncCfg;
   SWalCfg     walCfg;
+  char *       rootDir;
 } SVnodeObj;
 
 int  vnodeWriteToQueue(void *param, void *pHead, int type);
diff --git a/src/vnode/src/vnodeMain.c b/src/vnode/src/vnodeMain.c
index c7e7c11506960457f158402abdfe7ef510e7dd7c..61d055292355454babf1e340cbb6ce18fa25f8f6 100644
--- a/src/vnode/src/vnodeMain.c
+++ b/src/vnode/src/vnodeMain.c
@@ -182,6 +182,7 @@ int32_t vnodeOpen(int32_t vnode, char *rootDir) {
   pVnode->refCount = 1;
   pVnode->version  = 0;  
   pVnode->tsdbCfg.tsdbId = pVnode->vgId;
+  pVnode->rootDir = strdup(rootDir);
   taosAddIntHash(tsDnodeVnodesHash, pVnode->vgId, (char *)(&pVnode));
   
   int32_t code = vnodeReadCfg(pVnode);
@@ -271,6 +272,7 @@ void vnodeRelease(void *pVnodeRaw) {
     return;
   }
 
+  tfree(pVnode->rootDir);
   // remove read queue
   dnodeFreeRqueue(pVnode->rqueue);
   pVnode->rqueue = NULL;
@@ -406,7 +408,15 @@ static void vnodeNotifyFileSynced(void *ahandle) {
   SVnodeObj *pVnode = ahandle;
   vTrace("vgId:%d, data file is synced", pVnode->vgId);
 
-  // close tsdb, then open tsdb
+  char rootDir[128] = "\0";
+  sprintf(rootDir, "%s/tsdb", pVnode->rootDir);
+  // clsoe tsdb, then open tsdb
+  tsdbCloseRepo(pVnode->tsdb);
+  STsdbAppH appH = {0};
+  appH.appH = (void *)pVnode;
+  appH.walCallBack = vnodeWalCallback;
+  appH.cqH = pVnode->cq;
+  pVnode->tsdb = tsdbOpenRepo(rootDir, &appH);
 }
 
 static int32_t vnodeSaveCfg(SMDCreateVnodeMsg *pVnodeCfg) {