diff --git a/weed/filer/arangodb/arangodb_store_kv.go b/weed/filer/arangodb/arangodb_store_kv.go
index ae768c7fb8..e9add46446 100644
--- a/weed/filer/arangodb/arangodb_store_kv.go
+++ b/weed/filer/arangodb/arangodb_store_kv.go
@@ -39,7 +39,7 @@ func (store *ArangodbStore) KvGet(ctx context.Context, key []byte) (value []byte
 	}
 	if err != nil {
 		glog.ErrorfCtx(ctx, "kv get: %s %v", string(key), err)
-		return nil, filer.ErrKvNotFound
+		return nil, err
 	}
 	return arrayToBytes(model.Meta), nil
 }
diff --git a/weed/filer/elastic/v7/elastic_store_kv.go b/weed/filer/elastic/v7/elastic_store_kv.go
index f662639ff9..d6b9c844a4 100644
--- a/weed/filer/elastic/v7/elastic_store_kv.go
+++ b/weed/filer/elastic/v7/elastic_store_kv.go
@@ -37,13 +37,16 @@ func (store *ElasticStore) KvGet(ctx context.Context, key []byte) (value []byte,
 	if elastic.IsNotFound(err) {
 		return value, filer.ErrKvNotFound
 	}
+	if err != nil {
+		glog.ErrorfCtx(ctx, "find key(%s),%v.", string(key), err)
+		return value, err
+	}
 	if searchResult != nil && searchResult.Found {
 		esEntry := &ESKVEntry{}
 		if err := jsoniter.Unmarshal(searchResult.Source, esEntry); err == nil {
 			return esEntry.Value, nil
 		}
 	}
-	glog.ErrorfCtx(ctx, "find key(%s),%v.", string(key), err)
 	return value, filer.ErrKvNotFound
 }
 
diff --git a/weed/filer/mongodb/mongodb_store_kv.go b/weed/filer/mongodb/mongodb_store_kv.go
index 193bb247b5..ce7ac8fedd 100644
--- a/weed/filer/mongodb/mongodb_store_kv.go
+++ b/weed/filer/mongodb/mongodb_store_kv.go
@@ -46,7 +46,7 @@ func (store *MongodbStore) KvGet(ctx context.Context, key []byte) (value []byte,
 	err = store.connect.Database(store.database).Collection(store.collectionName).FindOne(ctx, where).Decode(&data)
 	if err != mongo.ErrNoDocuments && err != nil {
 		glog.ErrorfCtx(ctx, "kv get: %v", err)
-		return nil, filer.ErrKvNotFound
+		return nil, err
 	}
 
 	if len(data.Meta) == 0 {