diff --git a/examples/ex03_buttons/ex03_buttons.ino b/examples/ex03_buttons/ex03_buttons.ino
index 00492bd..baa1422 100644
--- a/examples/ex03_buttons/ex03_buttons.ino
+++ b/examples/ex03_buttons/ex03_buttons.ino
@@ -40,51 +40,63 @@
 #include "readguy.h" //包含readguy_driver 基础驱动库
 
 ReadguyDriver guy;//新建一个readguy对象, 用于显示驱动.
-
+int c=1;
 void setup(){
   Serial.begin(115200); //初始化串口
   guy.init(); //初始化readguy_driver 基础驱动库. 尽管初始化过程会刷屏, 但此示例不会用到屏幕.
-  //if(guy.width()<guy.height()) guy.setRotation(1); //横向
+  if(guy.width()<200) guy.setRotation(1); //对于小屏幕, 设置横向
+  c = guy.getButtonsCount(); //此函数用于返回设备有多少个按键.
   
   Serial.println(F("[readguy] Button demo")); //显示文本 默认是不支持中文显示的.
-  guy.println("Button demo"); //显示文本 默认是不支持中文显示的.
+  guy.println(F("Button demo."));
+  guy.println(F("Press the buttons in any way!"));
+  guy.println(F("Information will show"));
+  guy.println(F("on the EPD display."));
+  guy.println();
+  guy.print(F("Your device supports "));
+  guy.printf_P(PSTR("%d button%c.\r\n"),c,c==1?' ':'s'); //显示文本
   guy.display();//刷新墨水屏.
-  guy.setButtonSpecial(true);//对于三按键系统,打开此模式将会允许双击进行特殊操作(如切换键盘)
+  //guy.setButtonSpecial(true); //对于拨轮, 无法做到按住按钮1按下按钮2
 }
 
 void loop(){
-  int val = guy.getBtn(); //此函数用于获取按键状态 没有按键按下时 返回0.
+  auto val = guy.getBtn(); //此函数用于获取按键状态 没有按键按下时 返回0.
 
-  if(val>0){
-    int c = guy.getButtonsCount(); //此函数用于返回设备有多少个按键. [最近更新的函数]
+  if(val!=guyBNone){
+    guy.fillRect(0,guy.height()-10, guy.width(),10,1);
+    guy.setCursor(2,guy.height()-10);
     switch (val){
-      case 1: //下一个  手势
-        if(c==1) guy.println("key single clicked!");
-        else if(c==2) guy.println("Left key clicked!");
-        else if(c==3) guy.println("Right key clicked!");
+      case guyBNext: //下一个  手势
+        if(c==1)      guy.println(F("key single clicked!"));
+        else if(c==2) guy.println(F("Left key clicked!"));
+        else if(c==3) guy.println(F("Right key clicked!"));
       break;
-      case 2: //上一个  手势
-        if(c==1) guy.println("key long pressed!");
-        else if(c==2) guy.println("Left key long pressed!");
-        else if(c==3) guy.println("Left key clicked!");
+      case guyBPrev: //上一个  手势
+        if(c==1)      guy.println(F("key long pressed!"));
+        else if(c==2) guy.println(F("Left key long pressed!"));
+        else if(c==3) guy.println(F("Left key clicked!"));
       break;
-      case 3: //特殊  手势
-        if(c==1) guy.println("key clicked and pressed!");
-        else if(c==2) guy.println("Right clicked at left pressing!");
-        else if(c==3) guy.println("Centre key double clicked!");
+      case guyBSpecial: //特殊  手势
+        if(c==1)      guy.println(F("key clicked and pressed!"));
+        else if(c==2) guy.println(F("Right clicked at left pressing!"));
+        else if(c==3) guy.println(F("Centre key double clicked!"));
       break;
-      case 4: //确定 手势
-        if(c==1) guy.println("key double clicked!");
-        else if(c==2) guy.println("Right key clicked!");
-        else if(c==3) guy.println("Centre key clicked!");
+      case guyBOK: //确定 手势
+        if(c==1)      guy.println(F("key double clicked!"));
+        else if(c==2) guy.println(F("Right key clicked!"));
+        else if(c==3) guy.println(F("Centre key clicked!"));
       break;
-      case 8: //返回  手势
-        if(c==1) guy.println("key triple clicked!");
-        else if(c==2) guy.println("Right key long pressed!");
-        else if(c==3) guy.println("Centre key long pressed!");
+      case guyBCancel: //返回  手势
+        if(c==1)      guy.println(F("key triple clicked!"));
+        else if(c==2) guy.println(F("Right key long pressed!"));
+        else if(c==3) guy.println(F("Centre key long pressed!"));
+      break;
+      default: //未知手势
+        guy.println(F("Unknown gesture!"));
       break;
     }
     guy.display();
+    guy.scroll(0,-8);
   }
   delay(10);
 }/* END OF FILE. ReadGuy project.
diff --git a/src/readguy.cpp b/src/readguy.cpp
index a912623..6ebe709 100644
--- a/src/readguy.cpp
+++ b/src/readguy.cpp
@@ -509,11 +509,13 @@ void ReadguyDriver::setButtonDriver(){
     btn_rd[1].setLongRepeatMode(0);  //双按键 确定按键 设置为不允许连按
   }
   else if(READGUY_buttons==3){
-    btn_rd[0].long_press_ms = 20; //只有长按, 按一下也是长按,
+    //btn_rd[0].long_press_ms = 20; //只有长按, 按一下也是长按, 2025/4/7更新: 优化识别逻辑, 这样不会变慢了
     btn_rd[0].double_press_ms = 20; //不识别双击三击,
     btn_rd[0].setLongRepeatMode(1); //并且开启连按
     //2024/2/25更新:需要支持连按适配拨轮
-    btn_rd[1].enScanDT(1); //识别双击或三击(默认)    2025/3/12更新:默认开启识别, 但按下确定键的响应会稍微变慢
+    //2025/3/12更新:默认开启识别, 但按下确定键的响应会稍微变慢
+    //2025/4/7更新: 优化识别逻辑, 这样不会变慢了
+    btn_rd[1].enScanDT(0); //识别双击或三击(默认)    
     btn_rd[1].setLongRepeatMode(0); //三按键 确定按键 设置为不允许连按
     btn_rd[2].long_press_ms = 20; //只有长按, 按一下也是长按, 并且开启连按
     btn_rd[2].double_press_ms = 20; //不识别双击三击,
@@ -908,28 +910,32 @@ void ReadguyDriver::nvs_write(){
 uint8_t ReadguyDriver::getBtn_impl(){ //按钮不可用, 返回0.
   static unsigned long last=0;
   static unsigned long last2=0;
-  uint8_t res1,res2,res3,res4=0;
-  switch(READGUY_buttons){
-    case 1:
+  uint8_t res1,res2,res3=0,res4=0;
+  if(READGUY_buttons == 1){
       res1=btn_rd[0].read();
       if(res1 == 1) res4 |= 1; //点按
       else if(res1 == 2) res4 |= 4; //双击-确定
       else if(res1 == 3) res4 |= 8; //三击-返回
       else if(res1 == 4) res4 |= 2; //长按-向上翻页
-      else if(res1 == 5) res4 |= 3; //单击后长按-新增操作(可以连按)
-      break;
-    case 2:
+      else if(res1 == 5) res4 |= 16; //单击后长按-新增操作(可以连按)
+  }
+  else{ //  case 2: //3
       res1=btn_rd[0].read(); //选项上下键 两个按钮引脚都读取
       res2=btn_rd[1].read(); //确定/返回键
+      if(READGUY_buttons>=3) res3=btn_rd[2].read(); //确定/返回键
 //#if 1
-      {
-        bool newval=btn_rd[0].isPressedRaw();
-        if(newval && last2) last2=0;
-        else if(!(newval || last2)) last2=millis();  //捕获按钮松开的行为
-        if(res1 && (millis()-last>=btn_rd[1].long_press_ms) && (!btn_rd[1].isPressedRaw())){
-          //Serial.printf("[%9d] res 1 state: %d %d\n",millis(),longpresstest,pressedRawtest);
-          res4 = (res1 == 1)?1:2;      //左键点按-向下翻页
+      bool newval=btn_rd[0].isPressedRaw();
+      if(newval && last2>1) last2=0;
+      else if(!(newval || last2>1)) last2=millis();  //捕获按钮松开的行为
+      //if(newval && btn_rd[1].isPressedRaw()) last2 = 1;
+      if((res1||res3) && (millis()-last>=btn_rd[1].long_press_ms) && (!btn_rd[1].isPressedRaw())){
+        //Serial.printf("[%9d] res 1 state: %d %d\n",millis(),longpresstest,pressedRawtest);
+        if(READGUY_buttons>=3) {
+          if(res1) res4 |= 2; //点按
+          else if(res3) res4 |= 1; //点按
         }
+        else res4 = (res1 == 1)?1:2;      //左键点按-向下翻页
+        if(last2 == 1) res4 = 0;//本次触发过3事件
       }
 //#endif
       /*
@@ -939,7 +945,7 @@ uint8_t ReadguyDriver::getBtn_impl(){ //按钮不可用, 返回0.
         last=nowm;
       }
       if(res2) {
-        if(btn_rd[0].isPressedRaw()) res4 |= 3; //避免GCC警告(我常年喜欢-Werror=all
+        if(btn_rd[0].isPressedRaw()) res4 |= 16; //避免GCC警告(我常年喜欢-Werror=all
         else if(res2 == 1 && nowm>last) res4 |= 4; //右键点按-确定
         else if(res2 == 4 && nowm>last) res4 |= 8; //右键长按-返回
         last=nowm;
@@ -948,14 +954,17 @@ uint8_t ReadguyDriver::getBtn_impl(){ //按钮不可用, 返回0.
       if(res2) {
         unsigned long ts=millis();
         //Serial.printf("[%9lu] now last2: %lu, threshold %lu\n",ts,last2,ts-last2);
-        if(btn_rd[0].isPressedRaw() || ts-last2<=20) { //2024.2.25新增:  20毫秒的去抖时间 防误判
-          res4 |= 3; //避免GCC警告(我常年喜欢-Werror=all
+        if(newval || ts-last2<=20) { //2024.2.25新增:  20毫秒的去抖时间 防误判
+          res4 |= 16; //避免GCC警告(我常年喜欢-Werror=all
+          last2 = 1;
         }
         else if(res2 == 1) res4 |= 4; //右键点按-确定
+        else if(res2 == 2) res4 |= 16; //新增: 双击进入操作5
         else if(res2 == 4) res4 |= 8; //右键长按-返回
         last=ts;
       }
-      if(res4==5 || res4==6) res4=3;
+      if(res4==5 || res4==6) res4=16;
+#if 0
       break;
     case 3:
       res1=btn_rd[0].read();
@@ -966,11 +975,22 @@ uint8_t ReadguyDriver::getBtn_impl(){ //按钮不可用, 返回0.
         res4 |= ((btn_rd[0].isPressedRaw()<<1)|1);
         last=millis();
       }
-      //if(res3 && ((millis()-last)<btn_rd[0].long_repeat_ms)) res4 |=3;
-      if(res2 == 1) res4 |= 4;
-      else if(res2 == 4) res4 |= 8;
-      else if(res2 == 2) res4 |= 3; //新增: 双击进入操作5
+      //if((res2||res3) && ((millis()-last)<btn_rd[0].long_repeat_ms)) res4 |=3;
+      if(res2) {
+        unsigned long ts=millis();
+        //Serial.printf("[%9lu] now last2: %lu, threshold %lu\n",ts,last2,ts-last2);
+        if(btn_rd[0].isPressedRaw() || ts-last2<=20) { //2024.2.25新增:  20毫秒的去抖时间 防误判
+          res4 |= 16; //避免GCC警告(我常年喜欢-Werror=all
+        }
+        else if(res2 == 1) res4 |= 4; //右键点按-确定
+        else if(res2 == 4) res4 |= 8; //右键长按-返回
+        last=ts;
+      }
+      //if(res2 == 1) res4 |= 4;
+      //else if(res2 == 4) res4 |= 8;
+      //else if((res2 == 2) || ) res4 |= 16; //新增: 双击进入操作5
       break;
+#endif
   }
   return res4;
 }
diff --git a/src/readguy.h b/src/readguy.h
index 703e995..eb905a5 100644
--- a/src/readguy.h
+++ b/src/readguy.h
@@ -202,6 +202,19 @@
 #define RG_IL_CONEXP inline
 #endif
 
+enum ReadguyButtonGesture: uint8_t{
+  guyBNone    =0,
+  guyBNext    =1,
+  guyBRight   =1,
+  guyBPrev    =2,
+  guyBLeft    =2,
+  guyBSelect  =4,
+  guyBOK      =4,
+  guyBCancel  =8,
+  guyBBack    =8,
+  guyBSpecial =16
+};
+
 class ReadguyDriver: public LGFX_Sprite{ // readguy 基础类
   public:
 #ifdef READGUY_ESP_ENABLE_WIFI
@@ -338,7 +351,7 @@ class ReadguyDriver: public LGFX_Sprite{ // readguy 基础类
     bool SDinside(bool check=true) { return check?setSDcardDriver():READGUY_sd_ok; };
     void SDdeinit() { READGUY_sd_ok = 0; }; //当SD卡被检测到拔出或不可用时, 调用此函数标记
     /// @brief 检查按钮. 当配置未完成时,按钮不可用, 返回0.
-    uint8_t getBtn() { return (READGUY_cali==127)?getBtn_impl():0; }
+    ReadguyButtonGesture getBtn() { return (READGUY_cali==127)?(ReadguyButtonGesture)getBtn_impl():guyBNone; }
     /// @brief [此函数已弃用 非常不建议使用] 根据按钮ID来检查按钮. 注意这里如果按下返回0, 没按下或者按钮无效返回1
     //uint8_t getBtn(int btnID){return btnID<getButtonsCount()?(!(btn_rd[btnID].isPressedRaw())):1;}
     /// @brief 该函数用于设置按键是否允许扫描连按
@@ -494,10 +507,10 @@ class ReadguyDriver: public LGFX_Sprite{ // readguy 基础类
 #else
         epd_spi->beginTransaction(SPISettings(ESP32_DISP_FREQUENCY, MSBFIRST, SPI_MODE0));
 #endif
-      spibz ++; 
+      spibz +=1;
     }
     static void in_release(){//SPI结束传输屏幕数据
-      spibz --;
+      spibz -=1;
 #if (defined(READGUY_ALLOW_DC_AS_BUTTON))
       if(!(spibz&0x3f))
 #else