diff --git a/src/client/src/tscLocalMerge.c b/src/client/src/tscLocalMerge.c
index 9fdadfa957f3e6662ece8e0ee254508cda192ded..7fc5b8debb82d18f3067286eea5571c748229072 100644
--- a/src/client/src/tscLocalMerge.c
+++ b/src/client/src/tscLocalMerge.c
@@ -1633,7 +1633,7 @@ void tscInitResObjForLocalQuery(SSqlObj *pObj, int32_t numOfRes, int32_t rowLen)
 
 int32_t doArithmeticCalculate(SQueryInfo* pQueryInfo, tFilePage* pOutput, int32_t rowSize, int32_t finalRowSize) {
   int32_t maxRowSize = MAX(rowSize, finalRowSize);
-  char* pbuf = calloc(1, pOutput->num * maxRowSize);
+  char* pbuf = calloc(1, (size_t)(pOutput->num * maxRowSize));
 
   size_t size = tscNumOfFields(pQueryInfo);
   SArithmeticSupport arithSup = {0};
@@ -1660,16 +1660,16 @@ int32_t doArithmeticCalculate(SQueryInfo* pQueryInfo, tFilePage* pOutput, int32_
       tExprTreeCalcTraverse(arithSup.pArithExpr->pExpr, (int32_t) pOutput->num, pbuf + pOutput->num*offset, &arithSup, TSDB_ORDER_ASC, getArithmeticInputSrc);
     } else {
       SSqlExpr* pExpr = pSup->pSqlExpr;
-      memcpy(pbuf + pOutput->num * offset, pExpr->offset * pOutput->num + pOutput->data, pExpr->resBytes * pOutput->num);
+      memcpy(pbuf + pOutput->num * offset, pExpr->offset * pOutput->num + pOutput->data, (size_t)(pExpr->resBytes * pOutput->num));
     }
 
     offset += pSup->field.bytes;
   }
 
-  memcpy(pOutput->data, pbuf, pOutput->num * offset);
+  memcpy(pOutput->data, pbuf, (size_t)(pOutput->num * offset));
 
   tfree(pbuf);
   tfree(arithSup.data);
 
   return offset;
-}
\ No newline at end of file
+}
diff --git a/src/query/src/qExecutor.c b/src/query/src/qExecutor.c
index 1cde31cfd2646627806fb3fd1cd940ac90dbc71d..a45c0ac6ef666db3ce17165525b8eeacf1fff6d6 100644
--- a/src/query/src/qExecutor.c
+++ b/src/query/src/qExecutor.c
@@ -5837,7 +5837,7 @@ static void doSecondaryArithmeticProcess(SQuery* pQuery) {
   tFilePage **data = calloc(pQuery->numOfExpr2, POINTER_BYTES);
   for (int32_t i = 0; i < pQuery->numOfExpr2; ++i) {
     int32_t bytes = pQuery->pExpr2[i].bytes;
-    data[i] = (tFilePage *)malloc(bytes * pQuery->rec.rows + sizeof(tFilePage));
+    data[i] = (tFilePage *)malloc((size_t)(bytes * pQuery->rec.rows) + sizeof(tFilePage));
   }
 
   arithSup.offset = 0;
@@ -5859,7 +5859,7 @@ static void doSecondaryArithmeticProcess(SQuery* pQuery) {
       for (int32_t j = 0; j < pQuery->numOfOutput; ++j) {
         if (pSqlFunc->functionId == pQuery->pExpr1[j].base.functionId &&
             pSqlFunc->colInfo.colId == pQuery->pExpr1[j].base.colInfo.colId) {
-          memcpy(data[i]->data, pQuery->sdata[j]->data, pQuery->pExpr1[j].bytes * pQuery->rec.rows);
+          memcpy(data[i]->data, pQuery->sdata[j]->data, (size_t)(pQuery->pExpr1[j].bytes * pQuery->rec.rows));
           break;
         }
       }
@@ -5871,7 +5871,7 @@ static void doSecondaryArithmeticProcess(SQuery* pQuery) {
   }
 
   for (int32_t i = 0; i < pQuery->numOfExpr2; ++i) {
-    memcpy(pQuery->sdata[i]->data, data[i]->data, pQuery->pExpr2[i].bytes * pQuery->rec.rows);
+    memcpy(pQuery->sdata[i]->data, data[i]->data, (size_t)(pQuery->pExpr2[i].bytes * pQuery->rec.rows));
   }
 
   for (int32_t i = 0; i < pQuery->numOfExpr2; ++i) {