code: public static function addMessage($path)
      {
          $moreMessagePath = self::getMessageFilePath($path, self::$language);
  
          if (file_exists($moreMessagePath)) {
              self::$message = array_merge(self::$message, include $moreMessagePath);
          }
      }
docs: 添加更多翻译
  
  @param string $path 待追加的路径
  @return void