diff --git a/internal/kv/rocksdb/rocksdb_kv.go b/internal/kv/rocksdb/rocksdb_kv.go
index 690a9f4d11..7d56d28607 100644
--- a/internal/kv/rocksdb/rocksdb_kv.go
+++ b/internal/kv/rocksdb/rocksdb_kv.go
@@ -167,7 +167,7 @@ func (kv *RocksdbKV) Save(key, value string) error {
 // MultiSave a batch of key-values
 func (kv *RocksdbKV) MultiSave(kvs map[string]string) error {
 	if kv.DB == nil {
-		return errors.New("Rocksdb instance is nil when do MultiSave")
+		return errors.New("rocksdb instance is nil when do MultiSave")
 	}
 	writeBatch := gorocksdb.NewWriteBatch()
 	defer writeBatch.Destroy()