diff --git a/source/dnode/vnode/src/tsdb/tsdbReaderWriter.c b/source/dnode/vnode/src/tsdb/tsdbReaderWriter.c
index 416b35aa03..1d5625220d 100644
--- a/source/dnode/vnode/src/tsdb/tsdbReaderWriter.c
+++ b/source/dnode/vnode/src/tsdb/tsdbReaderWriter.c
@@ -1926,6 +1926,7 @@ int32_t tsdbWriteBlockData(SDataFWriter *pWriter, SBlockData *pBlockData, SBlock
   }
 
   // encode =================
+  // columns
   int32_t nBuf1 = 0;
   for (int32_t iColData = 0; iColData < taosArrayGetSize(pBlockData->aIdx); iColData++) {
     SColData *pColData = tBlockDataGetColDataByIdx(pBlockData, iColData);
@@ -1956,27 +1957,34 @@ int32_t tsdbWriteBlockData(SDataFWriter *pWriter, SBlockData *pBlockData, SBlock
     hdr.szBlkCol += tPutBlockCol(NULL, &blockCol);
   }
 
-  // (uid + version + tskey + aBlockCol)
+  // uid
   if (pBlockData->uid == 0) {
     code = tsdbCmprData((uint8_t *)pBlockData->aUid, sizeof(int64_t) * pBlockData->nRow, TSDB_DATA_TYPE_BIGINT, cmprAlg,
                         &pWriter->pBuf2, 0, &hdr.szUid, &pWriter->pBuf3);
     if (code) goto _err;
   }
 
+  // version
   code = tsdbCmprData((uint8_t *)pBlockData->aVersion, sizeof(int64_t) * pBlockData->nRow, TSDB_DATA_TYPE_BIGINT,
                       cmprAlg, &pWriter->pBuf2, hdr.szUid, &hdr.szVer, &pWriter->pBuf3);
   if (code) goto _err;
 
+  // tskey
   code = tsdbCmprData((uint8_t *)pBlockData->aTSKEY, sizeof(TSKEY) * pBlockData->nRow, TSDB_DATA_TYPE_TIMESTAMP,
                       cmprAlg, &pWriter->pBuf2, hdr.szUid + hdr.szVer, &hdr.szKey, &pWriter->pBuf3);
   if (code) goto _err;
 
+  // hdr
   pBlkInfo->szKey = tPutDiskDataHdr(NULL, &hdr);
   code = tRealloc(&pWriter->pBuf3, pBlkInfo->szKey);
   if (code) goto _err;
   tPutDiskDataHdr(pWriter->pBuf3, &hdr);
   TSCKSUM cksm = taosCalcChecksum(0, pWriter->pBuf3, pBlkInfo->szKey);
 
+  code = tRealloc(&pWriter->pBuf2, hdr.szUid + hdr.szVer + hdr.szKey + sizeof(TSCKSUM));
+  if (code) goto _err;
+  taosCalcChecksumAppend(cksm, pWriter->pBuf2, hdr.szUid + hdr.szVer + hdr.szKey + sizeof(TSCKSUM));
+
   // write =================
   TdFilePtr pFD = toLast ? pWriter->pLastFD : pWriter->pDataFD;
 
@@ -1988,17 +1996,43 @@ int32_t tsdbWriteBlockData(SDataFWriter *pWriter, SBlockData *pBlockData, SBlock
   }
 
   // uid + version + tskey + (CKSM)
-  taosCalcChecksumAppend(cksm, pWriter->pBuf2, hdr.szUid + hdr.szVer + hdr.szKey + sizeof(TSCKSUM));
   n = taosWriteFile(pFD, pWriter->pBuf2, hdr.szUid + hdr.szVer + hdr.szKey + sizeof(TSCKSUM));
   if (n < 0) {
     code = TAOS_SYSTEM_ERROR(errno);
     goto _err;
   }
   pBlkInfo->szKey = pBlkInfo->szKey + hdr.szUid + hdr.szVer + hdr.szKey + sizeof(TSCKSUM);
+  pBlkInfo->szBlock += pBlkInfo->szKey;
 
   // aBlockCol
+  if (hdr.szBlkCol > 0) {
+    code = tRealloc(&pWriter->pBuf2, hdr.szBlkCol + sizeof(TSCKSUM));
+    if (code) goto _err;
+
+    n = 0;
+    for (int32_t iBlockCol = 0; iBlockCol < taosArrayGetSize(aBlockCol); iBlockCol++) {
+      n += tPutBlockCol(pWriter->pBuf2 + n, taosArrayGet(aBlockCol, iBlockCol));
+    }
+    ASSERT(n == hdr.szBlkCol);
+    taosCalcChecksumAppend(0, pWriter->pBuf2, hdr.szBlkCol + sizeof(TSCKSUM));
+
+    n = taosWriteFile(pFD, pWriter->pBuf2, hdr.szBlkCol + sizeof(TSCKSUM));
+    if (n < 0) {
+      code = TAOS_SYSTEM_ERROR(errno);
+      goto _err;
+    }
+  }
 
   // colmns
+  if (nBuf1 > 0) {
+    n = taosWriteFile(pFD, pWriter->pBuf1, nBuf1);
+    if (n < 0) {
+      code = TAOS_SYSTEM_ERROR(errno);
+      goto _err;
+    }
+
+    pBlkInfo->szBlock += nBuf1;
+  }
 
   // update info
   if (toLast) {
diff --git a/source/dnode/vnode/src/tsdb/tsdbUtil.c b/source/dnode/vnode/src/tsdb/tsdbUtil.c
index 8f3bb6e89c..d669c28960 100644
--- a/source/dnode/vnode/src/tsdb/tsdbUtil.c
+++ b/source/dnode/vnode/src/tsdb/tsdbUtil.c
@@ -1793,90 +1793,3 @@ int32_t tsdbCmprColData(SColData *pColData, int8_t cmprAlg, SBlockCol *pBlockCol
 _exit:
   return code;
 }
-
-#if 0
-int32_t tBlockToDiskData(SBlockData *pBlockData, SDiskData *pDiskData, int8_t cmprAlg) {
-  int32_t code = 0;
-
-  ASSERT(pBlockData->nRow > 0);
-
-  pDiskData->cmprAlg = cmprAlg;
-  pDiskData->nRow = pBlockData->nRow;
-  pDiskData->suid = pBlockData->suid;
-  pDiskData->uid = pBlockData->uid;
-  pDiskData->szUid = 0;
-  pDiskData->szVer = 0;
-  pDiskData->szKey = 0;
-  taosArrayClear(pDiskData->aBlockCol);
-  pDiskData->nBuf = 0;
-
-  {
-    pDiskData->ppKey = tDiskDataAllocBuf(pDiskData);
-    if (pDiskData->ppKey == NULL) {
-      code = TSDB_CODE_OUT_OF_MEMORY;
-      goto _exit;
-    }
-
-    int32_t n = 0;
-    // uid
-    if (pDiskData->uid == 0) {
-      code = tsdbCmprData((uint8_t *)pBlockData->aUid, sizeof(int64_t) * pBlockData->nRow, TSDB_DATA_TYPE_BIGINT,
-                          cmprAlg, pDiskData->ppKey, n, &pDiskData->szUid, NULL);
-      if (code) goto _exit;
-    } else {
-      pDiskData->szUid = 0;
-    }
-    n += pDiskData->szUid;
-
-    // version
-    code = tsdbCmprData((uint8_t *)pBlockData->aVersion, sizeof(int64_t) * pBlockData->nRow, TSDB_DATA_TYPE_BIGINT,
-                        cmprAlg, pDiskData->ppKey, n, &pDiskData->szVer, NULL);
-    if (code) goto _exit;
-    n += pDiskData->szVer;
-
-    // tskey
-    code = tsdbCmprData((uint8_t *)pBlockData->aTSKEY, sizeof(TSKEY) * pBlockData->nRow, TSDB_DATA_TYPE_TIMESTAMP,
-                        cmprAlg, pDiskData->ppKey, &pDiskData->szKey, NULL);
-    if (code) goto _exit;
-  }
-
-  // columns
-  int32_t offset = 0;
-  for (int32_t iColData = 0; iColData < taosArrayGetSize(pBlockData->aIdx); iColData++) {
-    SColData *pColData = tBlockDataGetColDataByIdx(pBlockData, iColData);
-
-    if (pColData->flag == HAS_NONE) continue;
-
-    SBlockCol blockCol = {.cid = pColData->cid,
-                          .type = pColData->type,
-                          .smaOn = pColData->smaOn,
-                          .flag = pColData->flag,
-                          .szOrigin = pColData->nData};
-
-    if (pColData->flag != HAS_NULL) {
-      // alloc a buffer
-      blockCol.ppData = tDiskDataAllocBuf(pDiskData);
-      if (blockCol.ppData == NULL) {
-        code = TSDB_CODE_OUT_OF_MEMORY;
-        goto _exit;
-      }
-
-      // compress
-      code = tsdbCmprColData(pColData, cmprAlg, &blockCol, NULL);
-      if (code) goto _exit;
-
-      // update offset
-      blockCol.offset = offset;
-      offset = offset + blockCol.szBitmap + blockCol.szOffset + blockCol.szValue;
-    }
-
-    if (taosArrayPush(pDiskData->aBlockCol, &blockCol) == NULL) {
-      code = TSDB_CODE_OUT_OF_MEMORY;
-      goto _exit;
-    }
-  }
-
-_exit:
-  return code;
-}
-#endif