diff --git a/project/example/ble/ble_peripheral/app/src/uart.c b/project/example/ble/ble_peripheral/app/src/uart.c
index 3b58b0c..775f6df 100644
--- a/project/example/ble/ble_peripheral/app/src/uart.c
+++ b/project/example/ble/ble_peripheral/app/src/uart.c
@@ -129,10 +129,10 @@ void scan_uart(uint8_t *arr)
 										choose_mode_falsg=user_rx_buf[1]-1U;
 								    startTimer(&timer1,1);
 										break;
-								case 3: 
+								case 5:
 					
 								 break;
-								case 4:
+								case 3:
 										if(POWEROFF==deviceStatus)break;
 										if(Mode==mode0){
 											if(user_rx_buf[1] < BRIGHTNESS_MIN_PERCENT)
@@ -142,7 +142,7 @@ void scan_uart(uint8_t *arr)
 											Brightness = user_rx_buf[1];
 										}
 									 break;
-								case 5:	
+								case 4:
 										if(POWEROFF==deviceStatus)break;
 										  if(user_rx_buf[1] > SPEED_MAX_LEVEL)
 											  user_rx_buf[1] = SPEED_MAX_LEVEL;