diff --git a/source/dnode/vnode/src/tsdb/dev/inc/tsdbUtil.h b/source/dnode/vnode/src/tsdb/dev/inc/tsdbUtil.h
index bf84f2d8f5..45a3ebfd48 100644
--- a/source/dnode/vnode/src/tsdb/dev/inc/tsdbUtil.h
+++ b/source/dnode/vnode/src/tsdb/dev/inc/tsdbUtil.h
@@ -65,16 +65,14 @@ int32_t tTombBlockPut(STombBlock *tombBlock, const STombRecord *record);
 int32_t tTombRecordCompare(const STombRecord *record1, const STombRecord *record2);
 
 // STbStatisBlock ----------
-#define STATIS_RECORD_NUM_ELEM 9
+#define STATIS_RECORD_NUM_ELEM 7
 typedef union {
   int64_t dataArr[STATIS_RECORD_NUM_ELEM];
   struct {
     int64_t suid;
     int64_t uid;
     int64_t firstKey;
-    int64_t firstKeyVer;
     int64_t lastKey;
-    int64_t lastKeyVer;
     int64_t minVer;
     int64_t maxVer;
     int64_t count;
@@ -87,9 +85,7 @@ typedef union {
     TARRAY2(int64_t) suid[1];
     TARRAY2(int64_t) uid[1];
     TARRAY2(int64_t) firstKey[1];
-    TARRAY2(int64_t) firstKeyVer[1];
     TARRAY2(int64_t) lastKey[1];
-    TARRAY2(int64_t) lastKeyVer[1];
     TARRAY2(int64_t) minVer[1];
     TARRAY2(int64_t) maxVer[1];
     TARRAY2(int64_t) count[1];
@@ -109,9 +105,9 @@ typedef struct SStatisBlk {
 #define STATIS_BLOCK_SIZE(db) TARRAY2_SIZE((db)->suid)
 
 int32_t tStatisBlockInit(STbStatisBlock *statisBlock);
-int32_t tStatisBlockFree(STbStatisBlock *statisBlock);
+int32_t tStatisBlockDestroy(STbStatisBlock *statisBlock);
 int32_t tStatisBlockClear(STbStatisBlock *statisBlock);
-int32_t tStatisBlockPut(STbStatisBlock *statisBlock, const STbStatisRecord *statisRecord);
+int32_t tStatisBlockPut(STbStatisBlock *statisBlock, const STbStatisRecord *record);
 
 // other apis
 int32_t tsdbUpdateSkmTb(STsdb *pTsdb, const TABLEID *tbid, SSkmInfo *pSkmTb);
diff --git a/source/dnode/vnode/src/tsdb/dev/tsdbDataFileRW.c b/source/dnode/vnode/src/tsdb/dev/tsdbDataFileRW.c
index 632246cb3d..7ce63b72e4 100644
--- a/source/dnode/vnode/src/tsdb/dev/tsdbDataFileRW.c
+++ b/source/dnode/vnode/src/tsdb/dev/tsdbDataFileRW.c
@@ -390,7 +390,7 @@ static int32_t tsdbDataFileWriterDoClose(SDataFileWriter *writer) {
   }
 
   tTombBlockDestroy(writer->tData);
-  tStatisBlockFree(writer->sData);
+  tStatisBlockDestroy(writer->sData);
   tBlockDataDestroy(writer->bData);
   TARRAY2_DESTROY(writer->tombBlkArray, NULL);
   TARRAY2_DESTROY(writer->dataBlkArray, NULL);
diff --git a/source/dnode/vnode/src/tsdb/dev/tsdbSttFileRW.c b/source/dnode/vnode/src/tsdb/dev/tsdbSttFileRW.c
index 7f4ab72f55..9c80bc4c43 100644
--- a/source/dnode/vnode/src/tsdb/dev/tsdbSttFileRW.c
+++ b/source/dnode/vnode/src/tsdb/dev/tsdbSttFileRW.c
@@ -626,7 +626,7 @@ static void tsdbSttFWriterDoClose(SSttFileWriter *writer) {
   tDestroyTSchema(writer->skmRow->pTSchema);
   tDestroyTSchema(writer->skmTb->pTSchema);
   tTombBlockDestroy(writer->tData);
-  tStatisBlockFree(writer->sData);
+  tStatisBlockDestroy(writer->sData);
   tBlockDataDestroy(writer->bData);
   TARRAY2_DESTROY(writer->tombBlkArray, NULL);
   TARRAY2_DESTROY(writer->statisBlkArray, NULL);
@@ -774,9 +774,7 @@ int32_t tsdbSttFileWriteTSData(SSttFileWriter *writer, SRowInfo *row) {
         .suid = row->suid,
         .uid = row->uid,
         .firstKey = key->ts,
-        .firstKeyVer = key->version,
         .lastKey = key->ts,
-        .lastKeyVer = key->version,
         .minVer = key->version,
         .maxVer = key->version,
         .count = 1,
@@ -789,9 +787,7 @@ int32_t tsdbSttFileWriteTSData(SSttFileWriter *writer, SRowInfo *row) {
     if (key->ts > TARRAY2_LAST(writer->sData->lastKey)) {
       TARRAY2_LAST(writer->sData->count)++;
       TARRAY2_LAST(writer->sData->lastKey) = key->ts;
-      TARRAY2_LAST(writer->sData->lastKeyVer) = key->version;
     } else if (key->ts == TARRAY2_LAST(writer->sData->lastKey)) {
-      TARRAY2_LAST(writer->sData->lastKeyVer) = key->version;
     } else {
       ASSERTS(0, "timestamp should be in ascending order");
     }
@@ -811,10 +807,6 @@ int32_t tsdbSttFileWriteTSData(SSttFileWriter *writer, SRowInfo *row) {
               : writer->bData->aUid[writer->bData->nRow - 1]) == row->uid  //
       && writer->bData->aTSKEY[writer->bData->nRow - 1] == key->ts         //
   ) {
-    if (writer->bData->nRow == 1) {
-      TARRAY2_LAST(writer->sData->firstKeyVer) = key->version;
-    }
-
     code = tBlockDataUpdateRow(writer->bData, &row->row, writer->config->skmRow->pTSchema);
     TSDB_CHECK_CODE(code, lino, _exit);
   } else {
diff --git a/source/dnode/vnode/src/tsdb/dev/tsdbUtil.c b/source/dnode/vnode/src/tsdb/dev/tsdbUtil.c
index 5f9275e57c..53d301d9a4 100644
--- a/source/dnode/vnode/src/tsdb/dev/tsdbUtil.c
+++ b/source/dnode/vnode/src/tsdb/dev/tsdbUtil.c
@@ -38,8 +38,9 @@ int32_t tTombBlockClear(STombBlock *tombBlock) {
 }
 
 int32_t tTombBlockPut(STombBlock *tombBlock, const STombRecord *record) {
+  int32_t code;
   for (int32_t i = 0; i < TOMB_RECORD_ELEM_NUM; ++i) {
-    int32_t code = TARRAY2_APPEND(&tombBlock->dataArr[i], record->dataArr[i]);
+    code = TARRAY2_APPEND(&tombBlock->dataArr[i], record->dataArr[i]);
     if (code) return code;
   }
   return 0;
@@ -57,29 +58,30 @@ int32_t tTombRecordCompare(const STombRecord *r1, const STombRecord *r2) {
 
 // STbStatisBlock ----------
 int32_t tStatisBlockInit(STbStatisBlock *statisBlock) {
-  for (int32_t i = 0; i < ARRAY_SIZE(statisBlock->dataArr); ++i) {
+  for (int32_t i = 0; i < STATIS_RECORD_NUM_ELEM; ++i) {
     TARRAY2_INIT(&statisBlock->dataArr[i]);
   }
   return 0;
 }
 
-int32_t tStatisBlockFree(STbStatisBlock *statisBlock) {
-  for (int32_t i = 0; i < ARRAY_SIZE(statisBlock->dataArr); ++i) {
+int32_t tStatisBlockDestroy(STbStatisBlock *statisBlock) {
+  for (int32_t i = 0; i < STATIS_RECORD_NUM_ELEM; ++i) {
     TARRAY2_DESTROY(&statisBlock->dataArr[i], NULL);
   }
   return 0;
 }
 
 int32_t tStatisBlockClear(STbStatisBlock *statisBlock) {
-  for (int32_t i = 0; i < ARRAY_SIZE(statisBlock->dataArr); ++i) {
+  for (int32_t i = 0; i < STATIS_RECORD_NUM_ELEM; ++i) {
     TARRAY2_CLEAR(&statisBlock->dataArr[i], NULL);
   }
   return 0;
 }
 
-int32_t tStatisBlockPut(STbStatisBlock *statisBlock, const STbStatisRecord *statisRecord) {
-  for (int32_t i = 0; i < ARRAY_SIZE(statisBlock->dataArr); ++i) {
-    int32_t code = TARRAY2_APPEND(&statisBlock->dataArr[i], statisRecord->dataArr[i]);
+int32_t tStatisBlockPut(STbStatisBlock *statisBlock, const STbStatisRecord *record) {
+  int32_t code;
+  for (int32_t i = 0; i < STATIS_RECORD_NUM_ELEM; ++i) {
+    code = TARRAY2_APPEND(&statisBlock->dataArr[i], record->dataArr[i]);
     if (code) return code;
   }
   return 0;