diff --git a/source/dnode/vnode/src/meta/metaCache.c b/source/dnode/vnode/src/meta/metaCache.c
index 6a704d0425..0ed68dce95 100644
--- a/source/dnode/vnode/src/meta/metaCache.c
+++ b/source/dnode/vnode/src/meta/metaCache.c
@@ -454,7 +454,7 @@ int32_t metaGetCachedTableUidList(SMeta* pMeta, tb_uid_t suid, const uint8_t* pK
 
       SListNode* pNode = NULL;
       while ((pNode = tdListNext(&iter)) != NULL) {
-        memcpy(pBuf + sizeof(suid), pNode->data, keyLen);
+        memcpy(&pBuf[1], pNode->data, keyLen);
 
         // check whether it is existed in LRU cache, and remove it from linked list if not.
         LRUHandle* pRes = taosLRUCacheLookup(pCache, pBuf, len);
diff --git a/source/libs/executor/src/timesliceoperator.c b/source/libs/executor/src/timesliceoperator.c
index 2374d80bbf..072a96fa83 100644
--- a/source/libs/executor/src/timesliceoperator.c
+++ b/source/libs/executor/src/timesliceoperator.c
@@ -95,6 +95,8 @@ static void doKeepLinearInfo(STimeSliceOperatorInfo* pSliceInfo, const SSDataBlo
     // TODO: optimize to ignore null values for linear interpolation.
     if (!pLinearInfo->isStartSet) {
       if (!colDataIsNull_s(pColInfoData, rowIndex)) {
+        ASSERT(IS_MATHABLE_TYPE(pColInfoData->info.type));
+
         pLinearInfo->start.key = *(int64_t*)colDataGetData(pTsCol, rowIndex);
         memcpy(pLinearInfo->start.val, colDataGetData(pColInfoData, rowIndex), pLinearInfo->bytes);
       }