diff --git a/src/Components/grpc/src/Util/ProtobufUtil.php b/src/Components/grpc/src/Util/ProtobufUtil.php
index 23b5dab1de..d2c1c17ffa 100644
--- a/src/Components/grpc/src/Util/ProtobufUtil.php
+++ b/src/Components/grpc/src/Util/ProtobufUtil.php
@@ -69,7 +69,7 @@ public static function newMessageArray(string $messageClass, array $dataList): a
     /**
      * 获取 Grpc Message 对象本身代表的值
      *
-     * @param Message|\Traversable $message
+     * @param Message|\Traversable|mixed $message
      *
      * @return mixed
      */