diff --git a/source/libs/function/src/detail/tminmax.c b/source/libs/function/src/detail/tminmax.c
index ced491ac5e97b278183a7746d6cbdbfb643dd01c..7fb5e2bebe3143839fb04bac7857fb149890f5b3 100644
--- a/source/libs/function/src/detail/tminmax.c
+++ b/source/libs/function/src/detail/tminmax.c
@@ -358,7 +358,7 @@ static double doubleVectorCmpAVX(const double* pData, int32_t numOfRows, bool is
 
 static int32_t findFirstValPosition(const SColumnInfoData* pCol, int32_t start, int32_t numOfRows) {
   int32_t i = start;
-  
+
   while (i < (start + numOfRows) && (colDataIsNull_f(pCol->nullbitmap, i) == true)) {
     i += 1;
   }
@@ -739,7 +739,7 @@ int32_t doMinMaxHelper(SqlFunctionCtx* pCtx, int32_t isMinFunc) {
       if (type == TSDB_DATA_TYPE_FLOAT) {
         GET_FLOAT_VAL(&pBuf->v) = GET_DOUBLE_VAL(tval);
       } else {
-        pBuf->v = *(int64_t*)tval;
+        pBuf->v = GET_INT64_VAL(tval);
       }
 
       if (pCtx->subsidiaries.num > 0) {
@@ -755,7 +755,7 @@ int32_t doMinMaxHelper(SqlFunctionCtx* pCtx, int32_t isMinFunc) {
 
         int64_t val = GET_INT64_VAL(tval);
         if ((prev < val) ^ isMinFunc) {
-          *(int64_t*)&pBuf->v = val;
+          GET_INT64_VAL(&pBuf->v) = val;
           if (pCtx->subsidiaries.num > 0) {
             index = findRowIndex(pInput->startRowIndex, pInput->numOfRows, pCol, tval);
             if (index >= 0) {
@@ -769,7 +769,7 @@ int32_t doMinMaxHelper(SqlFunctionCtx* pCtx, int32_t isMinFunc) {
 
         uint64_t val = GET_UINT64_VAL(tval);
         if ((prev < val) ^ isMinFunc) {
-          *(uint64_t*)&pBuf->v = val;
+          GET_UINT64_VAL(&pBuf->v) = val;
           if (pCtx->subsidiaries.num > 0) {
             index = findRowIndex(pInput->startRowIndex, pInput->numOfRows, pCol, tval);
             if (index >= 0) {
@@ -783,7 +783,7 @@ int32_t doMinMaxHelper(SqlFunctionCtx* pCtx, int32_t isMinFunc) {
 
         double val = GET_DOUBLE_VAL(tval);
         if ((prev < val) ^ isMinFunc) {
-          *(double*)&pBuf->v = val;
+          GET_DOUBLE_VAL(&pBuf->v) = val;
           if (pCtx->subsidiaries.num > 0) {
             index = findRowIndex(pInput->startRowIndex, pInput->numOfRows, pCol, tval);
             if (index >= 0) {
@@ -797,7 +797,7 @@ int32_t doMinMaxHelper(SqlFunctionCtx* pCtx, int32_t isMinFunc) {
 
         float val = GET_DOUBLE_VAL(tval);
         if ((prev < val) ^ isMinFunc) {
-          *(float*)&pBuf->v = val;
+          GET_FLOAT_VAL(&pBuf->v) = val;
         }
 
         if (pCtx->subsidiaries.num > 0) {