code: function normalize (src) {
  
      if (!src) {
          return src;
      }
  
      if (isRemoteFile(src)) {
          // http://font/font?name=xxx#x
          // http://font/font?
          return src.replace(/#.*$/, '').replace(/\?$/, '');
      } else {
          // ../font/font.eot?#font-spider
          src = src.replace(/[#?].*$/g, '');
          return path.normalize(src);
      }
  }
docs: /*
  标准化路径
  @param   {String}    路径
  @return  {String}    标准化路径