diff --git a/bsp/stm32/stm32l4r9-st-eval/board/ports/drv_touch_ft.c b/bsp/stm32/stm32l4r9-st-eval/board/ports/drv_touch_ft.c
index cca63a0540..06c260421e 100644
--- a/bsp/stm32/stm32l4r9-st-eval/board/ports/drv_touch_ft.c
+++ b/bsp/stm32/stm32l4r9-st-eval/board/ports/drv_touch_ft.c
@@ -24,9 +24,9 @@
 
 
 #ifdef TOUCH_IC_FT3X67
-#define CHIP_ID_REG 					0xA8U
+#define CHIP_ID_REG 			0xA8U
 #define CHIP_ID_VALUE        	0x11U
-#define TOUCH_SLAVE_ADDR      0x38U
+#define TOUCH_SLAVE_ADDR        0x38U
 #else
 #error "Please define at least one TOUCH DEVICE"
 /* this driver can be disabled at menuconfig → RT-Thread Components → Device Drivers */