diff --git a/source/dnode/vnode/src/inc/tsdb.h b/source/dnode/vnode/src/inc/tsdb.h
index 7e88a884c5..88960b5706 100644
--- a/source/dnode/vnode/src/inc/tsdb.h
+++ b/source/dnode/vnode/src/inc/tsdb.h
@@ -302,13 +302,6 @@ size_t tsdbCacheGetCapacity(SVnode *pVnode);
 int32_t tsdbCacheLastArray2Row(SArray *pLastArray, STSRow **ppRow, STSchema *pSchema);
 
 // structs =======================
-typedef struct {
-  int   minFid;
-  int   midFid;
-  int   maxFid;
-  TSKEY minKey;
-} SRtn;
-
 struct STsdbFS {
   SDelFile *pDelFile;
   SArray   *aDFileSet;  // SArray<SDFileSet>
@@ -336,19 +329,14 @@ struct SMemSkipListNode {
   SMemSkipListNode *forwards[0];
 };
 typedef struct SMemSkipList {
-  uint32_t          seed;
   int64_t           size;
+  uint32_t          seed;
   int8_t            maxLevel;
   int8_t            level;
   SMemSkipListNode *pHead;
   SMemSkipListNode *pTail;
 } SMemSkipList;
 
-struct SDelDataInfo {
-  tb_uid_t suid;
-  tb_uid_t uid;
-};
-
 struct STbData {
   tb_uid_t     suid;
   tb_uid_t     uid;
@@ -448,6 +436,8 @@ struct SBlockL {
   int64_t    suid;
   int64_t    minUid;
   int64_t    maxUid;
+  TSKEY      minKey;
+  TSKEY      maxKey;
   int64_t    minVer;
   int64_t    maxVer;
   int32_t    nRow;
diff --git a/source/dnode/vnode/src/tsdb/tsdbCommit.c b/source/dnode/vnode/src/tsdb/tsdbCommit.c
index 589bce9aa5..7374988fc9 100644
--- a/source/dnode/vnode/src/tsdb/tsdbCommit.c
+++ b/source/dnode/vnode/src/tsdb/tsdbCommit.c
@@ -567,9 +567,13 @@ static int32_t tsdbCommitLastBlock(SCommitter *pCommitter) {
   // info
   blockL.suid = pBlockData->suid;
   blockL.nRow = pBlockData->nRow;
+  blockL.minKey = TSKEY_MAX;
+  blockL.maxKey = TSKEY_MIN;
   blockL.minVer = VERSION_MAX;
   blockL.maxVer = VERSION_MIN;
   for (int32_t iRow = 0; iRow < pBlockData->nRow; iRow++) {
+    blockL.minKey = TMIN(blockL.minKey, pBlockData->aTSKEY[iRow]);
+    blockL.maxKey = TMAX(blockL.maxKey, pBlockData->aTSKEY[iRow]);
     blockL.minVer = TMIN(blockL.minVer, pBlockData->aVersion[iRow]);
     blockL.maxVer = TMAX(blockL.maxVer, pBlockData->aVersion[iRow]);
   }
diff --git a/source/dnode/vnode/src/tsdb/tsdbUtil.c b/source/dnode/vnode/src/tsdb/tsdbUtil.c
index 897c2359fa..e890c624ec 100644
--- a/source/dnode/vnode/src/tsdb/tsdbUtil.c
+++ b/source/dnode/vnode/src/tsdb/tsdbUtil.c
@@ -284,6 +284,8 @@ int32_t tPutBlockL(uint8_t *p, void *ph) {
   n += tPutI64(p ? p + n : p, pBlockL->suid);
   n += tPutI64(p ? p + n : p, pBlockL->minUid);
   n += tPutI64(p ? p + n : p, pBlockL->maxUid);
+  n += tPutI64v(p ? p + n : p, pBlockL->minKey);
+  n += tPutI64v(p ? p + n : p, pBlockL->maxKey);
   n += tPutI64v(p ? p + n : p, pBlockL->minVer);
   n += tPutI64v(p ? p + n : p, pBlockL->maxVer);
   n += tPutI32v(p ? p + n : p, pBlockL->nRow);
@@ -301,6 +303,8 @@ int32_t tGetBlockL(uint8_t *p, void *ph) {
   n += tGetI64(p + n, &pBlockL->suid);
   n += tGetI64(p + n, &pBlockL->minUid);
   n += tGetI64(p + n, &pBlockL->maxUid);
+  n += tGetI64v(p + n, &pBlockL->minKey);
+  n += tGetI64v(p + n, &pBlockL->maxKey);
   n += tGetI64v(p + n, &pBlockL->minVer);
   n += tGetI64v(p + n, &pBlockL->maxVer);
   n += tGetI32v(p + n, &pBlockL->nRow);
@@ -1651,25 +1655,25 @@ void tsdbCalcColDataSMA(SColData *pColData, SColumnDataAgg *pColAgg) {
           break;
         }
         case TSDB_DATA_TYPE_FLOAT: {
-          *(double*)(&pColAgg->sum) += colVal.value.f;
-          if (!minAssigned || *(double*)(&pColAgg->min) > colVal.value.f) {
-            *(double*)(&pColAgg->min) = colVal.value.f;
+          *(double *)(&pColAgg->sum) += colVal.value.f;
+          if (!minAssigned || *(double *)(&pColAgg->min) > colVal.value.f) {
+            *(double *)(&pColAgg->min) = colVal.value.f;
             minAssigned = true;
           }
-          if (!maxAssigned || *(double*)(&pColAgg->max) < colVal.value.f) {
-            *(double*)(&pColAgg->max) = colVal.value.f;
+          if (!maxAssigned || *(double *)(&pColAgg->max) < colVal.value.f) {
+            *(double *)(&pColAgg->max) = colVal.value.f;
             maxAssigned = true;
           }
           break;
         }
         case TSDB_DATA_TYPE_DOUBLE: {
-          *(double*)(&pColAgg->sum) += colVal.value.d;
-          if (!minAssigned || *(double*)(&pColAgg->min) > colVal.value.d) {
-            *(double*)(&pColAgg->min) = colVal.value.d;
+          *(double *)(&pColAgg->sum) += colVal.value.d;
+          if (!minAssigned || *(double *)(&pColAgg->min) > colVal.value.d) {
+            *(double *)(&pColAgg->min) = colVal.value.d;
             minAssigned = true;
           }
-          if (!maxAssigned || *(double*)(&pColAgg->max) < colVal.value.d) {
-            *(double*)(&pColAgg->max) = colVal.value.d;
+          if (!maxAssigned || *(double *)(&pColAgg->max) < colVal.value.d) {
+            *(double *)(&pColAgg->max) = colVal.value.d;
             maxAssigned = true;
           }
           break;