diff --git a/APP/peripheral.c b/APP/peripheral.c
index 63020c5..953afd9 100644
--- a/APP/peripheral.c
+++ b/APP/peripheral.c
@@ -181,6 +181,7 @@ static uint8_t scanRspData[] = {
     0x06, // 1B ·§ÃÅ´óÆøѹÁ¦ 80~110 kPa
 };
 
+
 // GAP - Advertisement data (max size = 31 bytes, though this is
 // best kept short to conserve power while advertising)
 static uint8_t advertData[] = {
diff --git a/APP/peripheral_main.c b/APP/peripheral_main.c
index 889c35d..14309ac 100644
--- a/APP/peripheral_main.c
+++ b/APP/peripheral_main.c
@@ -60,6 +60,14 @@ __attribute__((noinline)) void Main_Circulation()
             DelayMs(1000);
             PRINT("LED_ALL_OFF_DEINIT\n");
 
+            // BEEP
+            BEEP_ON;
+            DelayMs(1000);
+            PRINT("BEEP_ON\n");
+            BEEP_OFF_DEINIT;
+            DelayMs(1000);
+            PRINT("BEEP_OFF_DEINIT\n");
+
             // LED_G
             LED_G_ON;
             DelayMs(1000);
@@ -69,6 +77,8 @@ __attribute__((noinline)) void Main_Circulation()
             DelayMs(1000);
             PRINT("LED_ALL_OFF_DEINIT\n");
 
+
+
             // LED_Y
             LED_Y_ON;
             DelayMs(1000);
@@ -78,13 +88,15 @@ __attribute__((noinline)) void Main_Circulation()
             DelayMs(1000);
             PRINT("LED_ALL_OFF_DEINIT\n");
 
+
+
             PRINT("Delay 6s\n");
 
             // EMV_CHARGE
             EMV_CHARGE_EN;
             PRINT("EMV_CHARGE_EN\n");
 
-            DelayMs(500);
+            DelayMs(1000);
 
             EMV_CHARGE_OFF_DEINIT;
             PRINT("EMV_CHARGE_OFF_DEINIT 500 ms\n");