MD5加密后解码结果乱码

function uint8ArrayToHexStr(data: Uint8Array): string { 
  return buffer.from(data).toString('hex'); 
} 
 
async function doMd() { 
  let mdAlgName = 'MD5'; 
  let message = '123456'; 
  let md = cryptoFramework.createMd(mdAlgName); 
  await md.update({ data: new Uint8Array(buffer.from(message, 'utf-8').buffer) }); 
  let mdResult = await md.digest(); 
  console.info('MD result:' + mdResult.data); 
 
  let text: util.TextDecoder = util.TextDecoder.create() 
  let res = uint8ArrayToHexStr(mdResult.data) 
  console.log('TextDecoder result: ', res) 
}