diff --git a/ch32v-insert-coin/src/app.rs b/ch32v-insert-coin/src/app.rs
index 03800fa..a50aad7 100644
--- a/ch32v-insert-coin/src/app.rs
+++ b/ch32v-insert-coin/src/app.rs
@@ -288,11 +288,13 @@ impl App {
             self.timers.batt_adc_timer.service();
             #[cfg(feature = "enable_print")]
             println!("sp service");
+            self.timers.sp_timer.reset();
         }
         if self.timers.lp_timer.need_service() {
             self.timers.batt_adc_timer.service();
             #[cfg(feature = "enable_print")]
             println!("lp service");
+            self.timers.lp_timer.reset();
         }
         if self.timers.batt_adc_timer.need_service() {
             self.timers.batt_adc_timer.service();
@@ -385,11 +387,17 @@ impl App {
         // TODO
         #[cfg(feature = "enable_print")]
         println!("main button press");
+        self.timers.sp_timer.reset();
+        self.timers.lp_timer.reset();
+        self.timers.sp_timer.enable(true);
+        self.timers.lp_timer.enable(true);
     }
     pub fn main_button_release(&mut self) {
         // TODO
         #[cfg(feature = "enable_print")]
         println!("main button release");
+        self.timers.sp_timer.reset();
+        self.timers.lp_timer.reset();
     }
     pub fn coin_detect(&self) {
         #[cfg(feature = "enable_print")]