diff --git a/app/by_buzzer.c b/app/by_buzzer.c
index 0d97078..162fc77 100644
--- a/app/by_buzzer.c
+++ b/app/by_buzzer.c
@@ -54,3 +54,13 @@ void by_buzzer_add(uint16_t tone)
 {
     queue_add_element(tone);
 }
+
+void by_buzzer_run(void)
+{
+    if (queue_long != 0) {
+        pwm_init(BUZZER_PIN, a[0], 5000);
+        queue_pop_element();
+        system_delay_ms(100);
+        pwm_set_duty(BUZZER_PIN, 0);
+    }
+}
\ No newline at end of file
diff --git a/app/by_buzzer.h b/app/by_buzzer.h
index a0edcad..7a3fd50 100644
--- a/app/by_buzzer.h
+++ b/app/by_buzzer.h
@@ -7,7 +7,7 @@
 #define BY_PRESS_LONG  2500
 #define BY_FORWARD     1500
 #define BY_BACKWARD    1800
-#define BUZZER_PIN TIM9_PWM_MAP0_CH1_A2
+#define BUZZER_PIN     TIM9_PWM_MAP0_CH1_A2
 
 extern uint32_t a[40];
 extern uint16_t queue_long;
@@ -20,4 +20,5 @@ extern void queue_pop_element(void);
 extern void queue_pop_read(void);
 extern void by_buzzer_init(void);
 extern void by_buzzer_add(uint16_t tone);
+extern void by_buzzer_run(void);
 #endif
\ No newline at end of file
diff --git a/app/main.c b/app/main.c
index 81faf24..f40f8b5 100644
--- a/app/main.c
+++ b/app/main.c
@@ -47,27 +47,7 @@ int main(void)
     Page_Init();
 
     while (1) {
-
-        // switch (by_get_rb_status()) {
-        //     case 3:
-        //         i++;
-        //         break;
-        //     case 4:
-        //         i--;
-        //         break;
-        //     default:
-        //         break;
-        // }
-
-        // by_pwm_update_duty(500 + i * 50, 500 + i * 50);
-        // by_pwm_power_duty(500 + i * 50, 500 + i * 50, 500 + i * 50, 500 + i * 50);
-        // // ips200_show_uint(0, 0, 1000, 4);
-        // ips200_draw_rect(0, 0, 50, 50, RGB565_YELLOW);
-        // system_delay_ms(100);
-        // ips200_draw_rect(0, 0, 50, 50, RGB565_BLACK);
-        // system_delay_ms(10);
-        
-        queue_pop_read();
+        by_buzzer_run();
         Page_Run();
     }
 }