diff --git a/source/dnode/vnode/src/tsdb/tsdbCache.c b/source/dnode/vnode/src/tsdb/tsdbCache.c
index 2eddc29c0e..fe7e808db3 100644
--- a/source/dnode/vnode/src/tsdb/tsdbCache.c
+++ b/source/dnode/vnode/src/tsdb/tsdbCache.c
@@ -314,7 +314,7 @@ static void tsdbCacheDeleter(const void *key, size_t keyLen, void *value) {
   if (pLastCol->dirty) {
     // TODO: queue into dirty list, free it after save to backstore
   } else {
-    if (IS_VAR_DATA_TYPE(pLastCol->colVal.type) && pLastCol->colVal.value.nData > 0) {
+    if (IS_VAR_DATA_TYPE(pLastCol->colVal.type) /* && pLastCol->colVal.value.nData > 0*/) {
       taosMemoryFree(pLastCol->colVal.value.pData);
     }
 
diff --git a/source/dnode/vnode/src/tsdb/tsdbMemTable.c b/source/dnode/vnode/src/tsdb/tsdbMemTable.c
index 803a4f6c2d..80967a906f 100644
--- a/source/dnode/vnode/src/tsdb/tsdbMemTable.c
+++ b/source/dnode/vnode/src/tsdb/tsdbMemTable.c
@@ -737,7 +737,9 @@ static int32_t tsdbInsertRowDataToTable(SMemTable *pMemTable, STbData *pTbData,
   if (key.ts >= pTbData->maxKey) {
     pTbData->maxKey = key.ts;
   }
-  tsdbCacheUpdate(pMemTable->pTsdb, pTbData->suid, pTbData->uid, &lRow);
+  if (!TSDB_CACHE_NO(pMemTable->pTsdb->pVnode->config)) {
+    tsdbCacheUpdate(pMemTable->pTsdb, pTbData->suid, pTbData->uid, &lRow);
+  }
 
   // SMemTable
   pMemTable->minKey = TMIN(pMemTable->minKey, pTbData->minKey);