diff --git a/source/dnode/vnode/src/inc/tsdb.h b/source/dnode/vnode/src/inc/tsdb.h
index 0a03334cfd..7e88a884c5 100644
--- a/source/dnode/vnode/src/inc/tsdb.h
+++ b/source/dnode/vnode/src/inc/tsdb.h
@@ -540,7 +540,6 @@ struct SHeadFile {
   int64_t commitID;
   int64_t size;
   int64_t offset;
-  int64_t loffset;
 };
 
 struct SDataFile {
@@ -555,6 +554,7 @@ struct SLastFile {
 
   int64_t commitID;
   int64_t size;
+  int64_t offset;
 };
 
 struct SSmaFile {
diff --git a/source/dnode/vnode/src/tsdb/tsdbCommit.c b/source/dnode/vnode/src/tsdb/tsdbCommit.c
index f59a8e53f1..589bce9aa5 100644
--- a/source/dnode/vnode/src/tsdb/tsdbCommit.c
+++ b/source/dnode/vnode/src/tsdb/tsdbCommit.c
@@ -466,9 +466,9 @@ static int32_t tsdbCommitFileDataStart(SCommitter *pCommitter) {
   if (pRSet) {
     wSet.diskId = pRSet->diskId;
     wSet.fid = pCommitter->commitFid;
-    fHead = (SHeadFile){.commitID = pCommitter->commitID, .offset = 0, .size = 0, .loffset = 0};
+    fHead = (SHeadFile){.commitID = pCommitter->commitID, .size = 0, .offset = 0};
     fData = *pRSet->pDataF;
-    fLast = (SLastFile){.commitID = pCommitter->commitID, .size = 0};
+    fLast = (SLastFile){.commitID = pCommitter->commitID, .size = 0, .offset = 0};
     fSma = *pRSet->pSmaF;
   } else {
     SDiskID did = {0};
@@ -479,9 +479,9 @@ static int32_t tsdbCommitFileDataStart(SCommitter *pCommitter) {
 
     wSet.diskId = did;
     wSet.fid = pCommitter->commitFid;
-    fHead = (SHeadFile){.commitID = pCommitter->commitID, .offset = 0, .size = 0, .loffset = 0};
+    fHead = (SHeadFile){.commitID = pCommitter->commitID, .size = 0, .offset = 0};
     fData = (SDataFile){.commitID = pCommitter->commitID, .size = 0};
-    fLast = (SLastFile){.commitID = pCommitter->commitID, .size = 0};
+    fLast = (SLastFile){.commitID = pCommitter->commitID, .size = 0, .offset = 0};
     fSma = (SSmaFile){.commitID = pCommitter->commitID, .size = 0};
   }
   code = tsdbDataFWriterOpen(&pCommitter->dWriter.pWriter, pTsdb, &wSet);
diff --git a/source/dnode/vnode/src/tsdb/tsdbFile.c b/source/dnode/vnode/src/tsdb/tsdbFile.c
index 4043cb7470..5db02fa285 100644
--- a/source/dnode/vnode/src/tsdb/tsdbFile.c
+++ b/source/dnode/vnode/src/tsdb/tsdbFile.c
@@ -21,7 +21,6 @@ int32_t tPutHeadFile(uint8_t *p, SHeadFile *pHeadFile) {
   n += tPutI64v(p ? p + n : p, pHeadFile->commitID);
   n += tPutI64v(p ? p + n : p, pHeadFile->size);
   n += tPutI64v(p ? p + n : p, pHeadFile->offset);
-  n += tPutI64v(p ? p + n : p, pHeadFile->loffset);
 
   return n;
 }
@@ -32,7 +31,6 @@ static int32_t tGetHeadFile(uint8_t *p, SHeadFile *pHeadFile) {
   n += tGetI64v(p + n, &pHeadFile->commitID);
   n += tGetI64v(p + n, &pHeadFile->size);
   n += tGetI64v(p + n, &pHeadFile->offset);
-  n += tGetI64v(p + n, &pHeadFile->loffset);
 
   return n;
 }
@@ -60,6 +58,7 @@ int32_t tPutLastFile(uint8_t *p, SLastFile *pLastFile) {
 
   n += tPutI64v(p ? p + n : p, pLastFile->commitID);
   n += tPutI64v(p ? p + n : p, pLastFile->size);
+  n += tPutI64v(p ? p + n : p, pLastFile->offset);
 
   return n;
 }
@@ -69,6 +68,7 @@ static int32_t tGetLastFile(uint8_t *p, SLastFile *pLastFile) {
 
   n += tGetI64v(p + n, &pLastFile->commitID);
   n += tGetI64v(p + n, &pLastFile->size);
+  n += tGetI64v(p + n, &pLastFile->offset);
 
   return n;
 }
diff --git a/source/dnode/vnode/src/tsdb/tsdbReaderWriter.c b/source/dnode/vnode/src/tsdb/tsdbReaderWriter.c
index 69a4227486..324db5b111 100644
--- a/source/dnode/vnode/src/tsdb/tsdbReaderWriter.c
+++ b/source/dnode/vnode/src/tsdb/tsdbReaderWriter.c
@@ -502,7 +502,7 @@ _err:
 int32_t tsdbReadBlockIdx(SDataFReader *pReader, SArray *aBlockIdx) {
   int32_t  code = 0;
   int64_t  offset = pReader->pSet->pHeadF->offset;
-  int64_t  size = pReader->pSet->pHeadF->loffset - offset;
+  int64_t  size = pReader->pSet->pHeadF->size - offset;
   int64_t  n;
   uint32_t delimiter;
 
@@ -564,8 +564,8 @@ _err:
 
 int32_t tsdbReadBlockL(SDataFReader *pReader, SArray *aBlockL) {
   int32_t  code = 0;
-  int64_t  offset = pReader->pSet->pHeadF->loffset;
-  int64_t  size = pReader->pSet->pHeadF->size - offset;
+  int64_t  offset = pReader->pSet->pLastF->offset;
+  int64_t  size = pReader->pSet->pLastF->size - offset;
   int64_t  n;
   uint32_t delimiter;
 
@@ -579,13 +579,13 @@ int32_t tsdbReadBlockL(SDataFReader *pReader, SArray *aBlockL) {
   if (code) goto _err;
 
   // seek
-  if (taosLSeekFile(pReader->pHeadFD, offset, SEEK_SET) < 0) {
+  if (taosLSeekFile(pReader->pLastFD, offset, SEEK_SET) < 0) {
     code = TAOS_SYSTEM_ERROR(errno);
     goto _err;
   }
 
   // read
-  n = taosReadFile(pReader->pHeadFD, pReader->pBuf1, size);
+  n = taosReadFile(pReader->pLastFD, pReader->pBuf1, size);
   if (n < 0) {
     code = TAOS_SYSTEM_ERROR(errno);
     goto _err;
@@ -1292,13 +1292,13 @@ _err:
 
 int32_t tsdbWriteBlockL(SDataFWriter *pWriter, SArray *aBlockL) {
   int32_t    code = 0;
-  SHeadFile *pHeadFile = &pWriter->fHead;
+  SLastFile *pLastFile = &pWriter->fLast;
   int64_t    size;
   int64_t    n;
 
   // check
   if (taosArrayGetSize(aBlockL) == 0) {
-    pHeadFile->loffset = pHeadFile->size;
+    pLastFile->offset = pLastFile->size;
     goto _exit;
   }
 
@@ -1324,19 +1324,19 @@ int32_t tsdbWriteBlockL(SDataFWriter *pWriter, SArray *aBlockL) {
   ASSERT(n + sizeof(TSCKSUM) == size);
 
   // write
-  n = taosWriteFile(pWriter->pHeadFD, pWriter->pBuf1, size);
+  n = taosWriteFile(pWriter->pLastFD, pWriter->pBuf1, size);
   if (n < 0) {
     code = TAOS_SYSTEM_ERROR(errno);
     goto _err;
   }
 
   // update
-  pHeadFile->loffset = pHeadFile->size;
-  pHeadFile->size += size;
+  pLastFile->offset = pLastFile->size;
+  pLastFile->size += size;
 
 _exit:
   tsdbTrace("vgId:%d tsdb write blockl, loffset:%" PRId64 " size:%" PRId64, TD_VID(pWriter->pTsdb->pVnode),
-            pHeadFile->loffset, size);
+            pLastFile->offset, size);
   return code;
 
 _err: