diff --git a/source/dnode/vnode/src/inc/tsdb.h b/source/dnode/vnode/src/inc/tsdb.h
index a7831f301cd42fc0d746fa78725f4ceacce1368f..87dbaa8d53df5ae325dc5b2bbaa6a4f4ad27a0c1 100644
--- a/source/dnode/vnode/src/inc/tsdb.h
+++ b/source/dnode/vnode/src/inc/tsdb.h
@@ -183,6 +183,9 @@ bool     tsdbTbDataIterNext(STbDataIter *pIter);
 // tsdbFile.c ==============================================================================================
 typedef enum { TSDB_HEAD_FILE = 0, TSDB_DATA_FILE, TSDB_LAST_FILE, TSDB_SMA_FILE } EDataFileT;
 void    tsdbDataFileName(STsdb *pTsdb, SDFileSet *pDFileSet, EDataFileT ftype, char fname[]);
+bool    tsdbFileIsSame(SDFileSet *pDFileSet1, SDFileSet *pDFileSet2, EDataFileT ftype);
+int32_t tsdbUpdateDFileHdr(TdFilePtr pFD, SDFileSet *pSet, EDataFileT ftype);
+int32_t tsdbDFileRollback(STsdb *pTsdb, SDFileSet *pSet, EDataFileT ftype);
 int32_t tPutDataFileHdr(uint8_t *p, SDFileSet *pSet, EDataFileT ftype);
 int32_t tPutDelFile(uint8_t *p, SDelFile *pDelFile);
 int32_t tGetDelFile(uint8_t *p, SDelFile *pDelFile);
@@ -205,7 +208,7 @@ SDFileSet *tsdbFSStateGetDFileSet(STsdbFSState *pState, int32_t fid);
 // SDataFWriter
 int32_t tsdbDataFWriterOpen(SDataFWriter **ppWriter, STsdb *pTsdb, SDFileSet *pSet);
 int32_t tsdbDataFWriterClose(SDataFWriter **ppWriter, int8_t sync);
-int32_t tsdbUpdateDFileSetHeader(SDataFWriter *pWriter, uint8_t **ppBuf);
+int32_t tsdbUpdateDFileSetHeader(SDataFWriter *pWriter);
 int32_t tsdbWriteBlockIdx(SDataFWriter *pWriter, SMapData *pMapData, uint8_t **ppBuf);
 int32_t tsdbWriteBlock(SDataFWriter *pWriter, SMapData *pMapData, uint8_t **ppBuf, SBlockIdx *pBlockIdx);
 int32_t tsdbWriteBlockData(SDataFWriter *pWriter, SBlockData *pBlockData, uint8_t **ppBuf1, uint8_t **ppBuf2,
diff --git a/source/dnode/vnode/src/tsdb/tsdbCommit.c b/source/dnode/vnode/src/tsdb/tsdbCommit.c
index 4371cded6464e2c3213f92f917ab582dc3d84c50..492fcdbaa53f23abb52fdb71942771ee6eb228e5 100644
--- a/source/dnode/vnode/src/tsdb/tsdbCommit.c
+++ b/source/dnode/vnode/src/tsdb/tsdbCommit.c
@@ -782,7 +782,13 @@ static int32_t tsdbCommitDiskData(SCommitter *pCommitter, SBlockIdx *oBlockIdx)
       if (code) goto _err;
 
       tBlockReset(pBlockN);
-      pBlockN->last = 1;
+      pBlockN->minKey = pBlockO->minKey;
+      pBlockN->maxKey = pBlockO->maxKey;
+      pBlockN->minVersion = pBlockO->minVersion;
+      pBlockN->maxVersion = pBlockO->maxVersion;
+      pBlockN->nRow = pBlockO->nRow;
+      pBlockN->last = pBlockO->last;
+      pBlockN->hasDup = pBlockO->hasDup;
       code = tsdbWriteBlockData(pCommitter->pWriter, pBlockDataO, NULL, NULL, pBlockIdx, pBlockN, pCommitter->cmprAlg);
       if (code) goto _err;
 
@@ -964,7 +970,7 @@ static int32_t tsdbCommitFileDataEnd(SCommitter *pCommitter) {
   if (code) goto _err;
 
   // update file header
-  code = tsdbUpdateDFileSetHeader(pCommitter->pWriter, NULL);
+  code = tsdbUpdateDFileSetHeader(pCommitter->pWriter);
   if (code) goto _err;
 
   // upsert SDFileSet
diff --git a/source/dnode/vnode/src/tsdb/tsdbFS.c b/source/dnode/vnode/src/tsdb/tsdbFS.c
index 27c2f3fa7a0ff32157f5006f7075fce53f386a59..c2af9c53e4b42f440512adcb8914606dc0755dda 100644
--- a/source/dnode/vnode/src/tsdb/tsdbFS.c
+++ b/source/dnode/vnode/src/tsdb/tsdbFS.c
@@ -171,7 +171,71 @@ _err:
 
 static int32_t tsdbApplyDFileSetChange(STsdbFS *pFS, SDFileSet *pFrom, SDFileSet *pTo) {
   int32_t code = 0;
-  // TODO
+  char    fname[TSDB_FILENAME_LEN];
+
+  if (pFrom && pTo) {
+    // head
+    if (tsdbFileIsSame(pFrom, pTo, TSDB_HEAD_FILE)) {
+      ASSERT(0);
+    } else {
+      tsdbDataFileName(pFS->pTsdb, pFrom, TSDB_HEAD_FILE, fname);
+      taosRemoveFile(fname);
+    }
+
+    // data
+    if (tsdbFileIsSame(pFrom, pTo, TSDB_DATA_FILE)) {
+      if (pFrom->fData.size > pTo->fData.size) {
+        code = tsdbDFileRollback(pFS->pTsdb, pTo, TSDB_DATA_FILE);
+        if (code) goto _err;
+      }
+    } else {
+      tsdbDataFileName(pFS->pTsdb, pFrom, TSDB_DATA_FILE, fname);
+      taosRemoveFile(fname);
+    }
+
+    // last
+    if (tsdbFileIsSame(pFrom, pTo, TSDB_LAST_FILE)) {
+      if (pFrom->fLast.size > pTo->fLast.size) {
+        code = tsdbDFileRollback(pFS->pTsdb, pTo, TSDB_LAST_FILE);
+        if (code) goto _err;
+      }
+    } else {
+      tsdbDataFileName(pFS->pTsdb, pFrom, TSDB_LAST_FILE, fname);
+      taosRemoveFile(fname);
+    }
+
+    // sma
+    if (tsdbFileIsSame(pFrom, pTo, TSDB_SMA_FILE)) {
+      if (pFrom->fSma.size > pTo->fSma.size) {
+        code = tsdbDFileRollback(pFS->pTsdb, pTo, TSDB_SMA_FILE);
+        if (code) goto _err;
+      }
+    } else {
+      tsdbDataFileName(pFS->pTsdb, pFrom, TSDB_SMA_FILE, fname);
+      taosRemoveFile(fname);
+    }
+  } else if (pFrom) {
+    // head
+    tsdbDataFileName(pFS->pTsdb, pFrom, TSDB_HEAD_FILE, fname);
+    taosRemoveFile(fname);
+
+    // data
+    tsdbDataFileName(pFS->pTsdb, pFrom, TSDB_DATA_FILE, fname);
+    taosRemoveFile(fname);
+
+    // last
+    tsdbDataFileName(pFS->pTsdb, pFrom, TSDB_LAST_FILE, fname);
+    taosRemoveFile(fname);
+
+    // fsm
+    tsdbDataFileName(pFS->pTsdb, pFrom, TSDB_SMA_FILE, fname);
+    taosRemoveFile(fname);
+  }
+
+  return code;
+
+_err:
+  tsdbError("vgId:%d tsdb apply disk file set change failed since %s", TD_VID(pFS->pTsdb->pVnode), tstrerror(code));
   return code;
 }
 
diff --git a/source/dnode/vnode/src/tsdb/tsdbFile.c b/source/dnode/vnode/src/tsdb/tsdbFile.c
index 18b215afadd144b69e66a1b0084505de6909269a..5a4dd830729eb441caed938fe5283f75f7c2f495 100644
--- a/source/dnode/vnode/src/tsdb/tsdbFile.c
+++ b/source/dnode/vnode/src/tsdb/tsdbFile.c
@@ -120,6 +120,107 @@ void tsdbDataFileName(STsdb *pTsdb, SDFileSet *pDFileSet, EDataFileT ftype, char
   }
 }
 
+bool tsdbFileIsSame(SDFileSet *pDFileSet1, SDFileSet *pDFileSet2, EDataFileT ftype) {
+  if (pDFileSet1->diskId.level != pDFileSet2->diskId.level || pDFileSet1->diskId.id != pDFileSet2->diskId.id) {
+    return false;
+  }
+
+  switch (ftype) {
+    case TSDB_HEAD_FILE:
+      return pDFileSet1->fHead.commitID == pDFileSet2->fHead.commitID;
+    case TSDB_DATA_FILE:
+      return pDFileSet1->fData.commitID == pDFileSet2->fData.commitID;
+    case TSDB_LAST_FILE:
+      return pDFileSet1->fLast.commitID == pDFileSet2->fLast.commitID;
+    case TSDB_SMA_FILE:
+      return pDFileSet1->fSma.commitID == pDFileSet2->fSma.commitID;
+    default:
+      ASSERT(0);
+      break;
+  }
+}
+
+int32_t tsdbUpdateDFileHdr(TdFilePtr pFD, SDFileSet *pSet, EDataFileT ftype) {
+  int32_t code = 0;
+  int64_t n;
+  char    hdr[TSDB_FHDR_SIZE];
+
+  memset(hdr, 0, TSDB_FHDR_SIZE);
+  tPutDataFileHdr(hdr, pSet, ftype);
+  taosCalcChecksumAppend(0, hdr, TSDB_FHDR_SIZE);
+
+  n = taosLSeekFile(pFD, 0, SEEK_SET);
+  if (n < 0) {
+    code = TAOS_SYSTEM_ERROR(errno);
+    goto _exit;
+  }
+
+  n = taosWriteFile(pFD, hdr, TSDB_FHDR_SIZE);
+  if (n < 0) {
+    code = TAOS_SYSTEM_ERROR(errno);
+    goto _exit;
+  }
+
+_exit:
+  return code;
+}
+
+int32_t tsdbDFileRollback(STsdb *pTsdb, SDFileSet *pSet, EDataFileT ftype) {
+  int32_t   code = 0;
+  int64_t   size;
+  TdFilePtr pFD;
+  char      fname[TSDB_FILENAME_LEN];
+
+  tsdbDataFileName(pTsdb, pSet, ftype, fname);
+
+  // open
+  pFD = taosOpenFile(fname, TD_FILE_WRITE);
+  if (pFD == NULL) {
+    code = TAOS_SYSTEM_ERROR(errno);
+    goto _err;
+  }
+
+  // truncate
+  switch (ftype) {
+    case TSDB_HEAD_FILE:
+      size = pSet->fHead.size;
+      break;
+    case TSDB_DATA_FILE:
+      size = pSet->fData.size;
+      break;
+    case TSDB_LAST_FILE:
+      size = pSet->fLast.size;
+      break;
+    case TSDB_SMA_FILE:
+      size = pSet->fSma.size;
+      break;
+    default:
+      ASSERT(0);
+  }
+  if (taosFtruncateFile(pFD, size) < 0) {
+    code = TAOS_SYSTEM_ERROR(errno);
+    goto _err;
+  }
+
+  // update header
+  code = tsdbUpdateDFileHdr(pFD, pSet, ftype);
+  if (code) goto _err;
+
+  // sync
+  if (taosFsyncFile(pFD) < 0) {
+    code = TAOS_SYSTEM_ERROR(errno);
+    goto _err;
+  }
+
+  // close
+  taosCloseFile(&pFD);
+
+  return code;
+
+_err:
+  return code;
+}
+
 int32_t tPutDataFileHdr(uint8_t *p, SDFileSet *pSet, EDataFileT ftype) {
   int32_t n = 0;
 
diff --git a/source/dnode/vnode/src/tsdb/tsdbReaderWriter.c b/source/dnode/vnode/src/tsdb/tsdbReaderWriter.c
index fb500ca1e7ad5151fa67fa776fc052be6139c9ac..0cfb18f9812874cee3a0d71db1a30233c566c254 100644
--- a/source/dnode/vnode/src/tsdb/tsdbReaderWriter.c
+++ b/source/dnode/vnode/src/tsdb/tsdbReaderWriter.c
@@ -1047,99 +1047,35 @@ _err:
   return code;
 }
 
-int32_t tsdbUpdateDFileSetHeader(SDataFWriter *pWriter, uint8_t **ppBuf) {
+int32_t tsdbUpdateDFileSetHeader(SDataFWriter *pWriter) {
   int32_t    code = 0;
   int64_t    size = TSDB_FHDR_SIZE;
   int64_t    n;
-  uint8_t   *pBuf = NULL;
+  uint8_t    hdr[TSDB_FHDR_SIZE];
   SHeadFile *pHeadFile = &pWriter->wSet.fHead;
   SDataFile *pDataFile = &pWriter->wSet.fData;
   SLastFile *pLastFile = &pWriter->wSet.fLast;
   SSmaFile  *pSmaFile = &pWriter->wSet.fSma;
 
-  // alloc
-  if (!ppBuf) ppBuf = &pBuf;
-  code = tsdbRealloc(ppBuf, size);
-  if (code) goto _err;
-
   // head ==============
-  // build
-  memset(*ppBuf, 0, size);
-  tPutDataFileHdr(*ppBuf, &pWriter->wSet, TSDB_HEAD_FILE);
-  taosCalcChecksumAppend(0, *ppBuf, size);
-
-  // seek
-  if (taosLSeekFile(pWriter->pHeadFD, 0, SEEK_SET) < 0) {
-    code = TAOS_SYSTEM_ERROR(errno);
-    goto _err;
-  }
-
-  // write
-  n = taosWriteFile(pWriter->pHeadFD, *ppBuf, size);
-  if (n < 0) {
-    code = TAOS_SYSTEM_ERROR(errno);
-    goto _err;
-  }
+  code = tsdbUpdateDFileHdr(pWriter->pHeadFD, &pWriter->wSet, TSDB_HEAD_FILE);
+  if (code) goto _err;
 
   // data ==============
-  memset(*ppBuf, 0, size);
-  tPutDataFileHdr(*ppBuf, &pWriter->wSet, TSDB_DATA_FILE);
-  taosCalcChecksumAppend(0, *ppBuf, size);
-
-  // seek
-  if (taosLSeekFile(pWriter->pDataFD, 0, SEEK_SET) < 0) {
-    code = TAOS_SYSTEM_ERROR(errno);
-    goto _err;
-  }
-
-  // write
-  n = taosWriteFile(pWriter->pDataFD, *ppBuf, size);
-  if (n < 0) {
-    code = TAOS_SYSTEM_ERROR(errno);
-    goto _err;
-  }
+  code = tsdbUpdateDFileHdr(pWriter->pHeadFD, &pWriter->wSet, TSDB_DATA_FILE);
+  if (code) goto _err;
 
   // last ==============
-  memset(*ppBuf, 0, size);
-  tPutDataFileHdr(*ppBuf, &pWriter->wSet, TSDB_LAST_FILE);
-  taosCalcChecksumAppend(0, *ppBuf, size);
-
-  // seek
-  if (taosLSeekFile(pWriter->pLastFD, 0, SEEK_SET) < 0) {
-    code = TAOS_SYSTEM_ERROR(errno);
-    goto _err;
-  }
-
-  // write
-  n = taosWriteFile(pWriter->pLastFD, *ppBuf, size);
-  if (n < 0) {
-    code = TAOS_SYSTEM_ERROR(errno);
-    goto _err;
-  }
+  code = tsdbUpdateDFileHdr(pWriter->pHeadFD, &pWriter->wSet, TSDB_LAST_FILE);
+  if (code) goto _err;
 
   // sma ==============
-  memset(*ppBuf, 0, size);
-  tPutDataFileHdr(*ppBuf, &pWriter->wSet, TSDB_SMA_FILE);
-  taosCalcChecksumAppend(0, *ppBuf, size);
-
-  // seek
-  if (taosLSeekFile(pWriter->pSmaFD, 0, SEEK_SET) < 0) {
-    code = TAOS_SYSTEM_ERROR(errno);
-    goto _err;
-  }
-
-  // write
-  n = taosWriteFile(pWriter->pSmaFD, *ppBuf, size);
-  if (n < 0) {
-    code = TAOS_SYSTEM_ERROR(errno);
-    goto _err;
-  }
+  code = tsdbUpdateDFileHdr(pWriter->pHeadFD, &pWriter->wSet, TSDB_SMA_FILE);
+  if (code) goto _err;
 
-  tsdbFree(pBuf);
   return code;
 
 _err:
-  tsdbFree(pBuf);
   tsdbError("vgId:%d update DFileSet header failed since %s", TD_VID(pWriter->pTsdb->pVnode), tstrerror(code));
   return code;
 }
diff --git a/source/dnode/vnode/src/tsdb/tsdbUtil.c b/source/dnode/vnode/src/tsdb/tsdbUtil.c
index 424f7fc5e8b5fa1c2e26a7b9409036947d7a3199..54a90f8184a43acb47d1c008f52ffdbc5840efab 100644
--- a/source/dnode/vnode/src/tsdb/tsdbUtil.c
+++ b/source/dnode/vnode/src/tsdb/tsdbUtil.c
@@ -355,6 +355,7 @@ void tBlockReset(SBlock *pBlock) {
     pBlock->aSubBlock[iSubBlock].nRow = 0;
     pBlock->aSubBlock[iSubBlock].cmprAlg = -1;
     pBlock->aSubBlock[iSubBlock].offset = -1;
+    pBlock->aSubBlock[iSubBlock].vsize = -1;
     pBlock->aSubBlock[iSubBlock].ksize = -1;
     pBlock->aSubBlock[iSubBlock].bsize = -1;
     tMapDataReset(&pBlock->aSubBlock->mBlockCol);