docs: async function run() {
      let src = argv.src || argv._[0],
          dist = argv.dist || argv._[1];
  
      // 判断是否指定目录
      if (src) {
          console.log(src, dist);
  
          // 打印信息
          stdout.block('Transform File:');
  
          // 转码文件
          transform(path.cwd(src), dist && path.cwd(dist));
      }
  }