diff --git a/source/dnode/vnode/src/meta/metaQuery.c b/source/dnode/vnode/src/meta/metaQuery.c
index 14207e7fb3..484c5c0a16 100644
--- a/source/dnode/vnode/src/meta/metaQuery.c
+++ b/source/dnode/vnode/src/meta/metaQuery.c
@@ -1523,6 +1523,7 @@ int32_t metaGetTableTags(void *pVnode, uint64_t suid, SArray *pUidTagInfo) {
       }
       memcpy(info.pTagVal, pCur->pVal, pCur->vLen);
       if (taosArrayPush(pUidTagInfo, &info) == NULL) {
+        taosMemoryFreeClear(info.pTagVal);
         metaCloseCtbCursor(pCur);
         taosHashCleanup(pSepecifiedUidMap);
         return terrno;
diff --git a/source/libs/executor/src/executil.c b/source/libs/executor/src/executil.c
index 04b3a83264..c74aef3992 100644
--- a/source/libs/executor/src/executil.c
+++ b/source/libs/executor/src/executil.c
@@ -1143,11 +1143,11 @@ SSDataBlock* createTagValBlockForFilter(SArray* pColList, int32_t numOfTables, S
             varDataSetLen(tmp, tagVal.nData);
             memcpy(tmp + VARSTR_HEADER_SIZE, tagVal.pData, tagVal.nData);
             code = colDataSetVal(pColInfo, i, tmp, false);
-            QUERY_CHECK_CODE(code, lino, _end);
 #if TAG_FILTER_DEBUG
             qDebug("tagfilter varch:%s", tmp + 2);
 #endif
             taosMemoryFree(tmp);
+            QUERY_CHECK_CODE(code, lino, _end);
           } else {
             code = colDataSetVal(pColInfo, i, (const char*)&tagVal.i64, false);
             QUERY_CHECK_CODE(code, lino, _end);