diff --git a/ch32v-insert-coin/src/main.rs b/ch32v-insert-coin/src/main.rs
index ba13aee..9ad174c 100644
--- a/ch32v-insert-coin/src/main.rs
+++ b/ch32v-insert-coin/src/main.rs
@@ -66,6 +66,8 @@ struct DebouncedGPIO<'a> {
     value: bool,
     // GPIO is ready (debounced)
     ready: bool,
+    // debouncer is active
+    active: bool,
     // debounce timer
     timer: TickTimerService,
 }
@@ -77,6 +79,7 @@ impl<'a> DebouncedGPIO<'a> {
             input: Input::new(pin, Pull::Up),
             value: false,
             ready: false,
+            active: false,
             timer: TickTimerService::new(
                 TickServiceData::new(system_tick_rate_hz * debounce_time_ms / 1000),
                 false,
@@ -88,6 +91,10 @@ impl<'a> DebouncedGPIO<'a> {
         self.ready
     }
 
+    pub fn active(&self) -> bool {
+        self.active
+    }
+
     pub fn value(&self) -> bool {
         self.value
     }
@@ -95,11 +102,13 @@ impl<'a> DebouncedGPIO<'a> {
     pub fn begin(&mut self) {
         self.reset();
         self.timer.enable(true);
+        self.active = true;
     }
 
     pub fn reset(&mut self) {
         self.timer.reset();
         self.ready = false;
+        self.active = false;
     }
 
     pub fn service(&mut self) {
@@ -110,6 +119,9 @@ impl<'a> DebouncedGPIO<'a> {
             self.ready = true;
         }
     }
+    pub fn is_high_immediate(&self) -> bool {
+        self.input.is_high()
+    }
 }
 
 // DeepSleep --coin button irq--> Active
@@ -291,15 +303,15 @@ fn app_main(mut p: hal::Peripherals, mut delay: Delay) -> ! {
     // set up interrupts
     unsafe { system::init_gpio_irq(sense_coin_pin.pin(), sense_coin_pin.port(), false, true) };
     unsafe { system::init_gpio_irq(main_btn_pin.pin(), main_btn_pin.port(), true, true) };
-    unsafe { system::init_gpio_irq(volume_btn_pin.pin(), volume_btn_pin.port(), true, true) };
-    unsafe {
-        system::init_gpio_irq(
-            light_ctrl_btn_pin.pin(),
-            light_ctrl_btn_pin.port(),
-            true,
-            true,
-        )
-    };
+    // unsafe { system::init_gpio_irq(volume_btn_pin.pin(), volume_btn_pin.port(), true, true) };
+    // unsafe {
+    //     system::init_gpio_irq(
+    //         light_ctrl_btn_pin.pin(),
+    //         light_ctrl_btn_pin.port(),
+    //         true,
+    //         true,
+    //     )
+    // };
 
     // coin debouncer (100ms)
     let mut sense_coin_input =
@@ -414,11 +426,25 @@ fn app_main(mut p: hal::Peripherals, mut delay: Delay) -> ! {
                     INPUT_FLAGS.main_btn_flag = false;
                     main_btn_input.begin();
                 }
+                if !volume_btn_input.active() {
+                    if !volume_btn_input.is_high_immediate() && !volume_btn_input.active() {
+                        #[cfg(feature = "enable_print")]
+                        println!("volume btn triggered: {}", volume_btn_input.active());
+                        volume_btn_input.begin();
+                    }
+                }
+                if !light_ctrl_btn_input.is_high_immediate() && !light_ctrl_btn_input.active() {
+                    #[cfg(feature = "enable_print")]
+                    println!("light ctrl btn triggered!");
+                    light_ctrl_btn_input.begin();
+                }
             }
 
             // debouncer
             sense_coin_input.service();
             main_btn_input.service();
+            volume_btn_input.service();
+            light_ctrl_btn_input.service();
 
             if sense_coin_input.ready() {
                 #[cfg(feature = "enable_print")]
@@ -445,6 +471,16 @@ fn app_main(mut p: hal::Peripherals, mut delay: Delay) -> ! {
                     lp_timer.reset();
                 }
             }
+            if volume_btn_input.ready() {
+                #[cfg(feature = "enable_print")]
+                println!("volume btn value: {}", volume_btn_input.value());
+                volume_btn_input.reset();
+            }
+            if light_ctrl_btn_input.ready() {
+                #[cfg(feature = "enable_print")]
+                println!("light_ctrl_btn value: {}", sense_coin_input.value());
+                sense_coin_input.reset();
+            }
 
             // timers
             sp_timer.tick();