diff --git a/source/dnode/vnode/src/tsdb/tsdbCache.c b/source/dnode/vnode/src/tsdb/tsdbCache.c
index d0c753d280..42df7f111e 100644
--- a/source/dnode/vnode/src/tsdb/tsdbCache.c
+++ b/source/dnode/vnode/src/tsdb/tsdbCache.c
@@ -588,6 +588,13 @@ static void tsdbCacheDeleter(const void *key, size_t klen, void *value, void *ud
     tsdbCachePutBatch(pLastCol, key, klen, (SCacheFlushState *)ud);
   }
 
+  for (uint8_t i = 0; i < pLastCol->rowKey.numOfPKs; ++i) {
+    SValue *pValue = &pLastCol->rowKey.pks[i];
+    if (IS_VAR_DATA_TYPE(pValue->type)) {
+      taosMemoryFree(pValue->pData);
+    }
+  }
+
   if (IS_VAR_DATA_TYPE(pLastCol->colVal.value.type) /* && pLastCol->colVal.value.nData > 0*/) {
     taosMemoryFree(pLastCol->colVal.value.pData);
   }
@@ -1072,6 +1079,8 @@ static int32_t tsdbCacheUpdate(STsdb *pTsdb, tb_uid_t suid, tb_uid_t uid, SArray
       SLastCol *PToFree = pLastCol;
 
       if (IS_LAST_KEY(idxKey->key) && !COL_VAL_IS_VALUE(pColVal)) {
+        taosMemoryFreeClear(PToFree);
+        rocksdb_free(values_list[i]);
         continue;
       }