   uint8_t res1;
   //ButtonA: Add user.  添加用户
   if(M5.BtnA.wasPressed()){
-    
-  
     M5.Lcd.fillRect(0, 0, 320, 200, BLACK);
     Serial.println("Start Fingerprint Typing");
     Serial.println("Put Your Finger on the sensor");

// /*
// *******************************************************************************
// * Copyright (c) 2021 by M5Stack
// *                  Equipped with M5Tough sample source code
// *                          配套  M5Tough 示例源代码
// * Visit the website for more information：https://docs.m5stack.com/en/core/tough
// * 获取更多资料请访问：https://docs.m5stack.com/zh_CN/core/tough
// *
// * describe：Hello World
// * date：2021/7/21
// *******************************************************************************

#include <M5Stack.h>

#include "M5_FPC1020A.h"

FingerPrint FP_M;

    M5.Lcd.println("Put Your Finger on the sensor");
    M5.Lcd.println("wating....");

    res1 = FP_M.fpm_addUser(22,1);  //(user_num, userPermission)
    if(res1 == ACK_SUCCESS){
      M5.Lcd.println("Success");
      Serial.println("Success");
