module.exports.index = async (ctx, next) => {
   try {
      ctx.status = 200;
      ctx.body = 'a99acbdf8169944ab0c68751a2da5b94';
   } catch (error) {
      console.error(error, 'error');
      ctx.status = 400;
      ctx.body = { message: 'get umt6E1uQDV.txt error.' };
   }
}