diff --git a/bsp/stm32/stm32f407-atk-explorer/board/ports/drv_lcd.h b/bsp/stm32/stm32f407-atk-explorer/board/ports/drv_lcd.h
index ed9cf2e7e4..bde089063d 100644
--- a/bsp/stm32/stm32f407-atk-explorer/board/ports/drv_lcd.h
+++ b/bsp/stm32/stm32f407-atk-explorer/board/ports/drv_lcd.h
@@ -20,17 +20,17 @@
 //LCD重要参数集
 typedef struct
 {
-	uint16_t width;			//LCD 宽度
-	uint16_t height;			//LCD 高度
-	uint16_t id;				//LCD ID
-	uint8_t  dir;			//横屏还是竖屏控制：0，竖屏；1，横屏。
-	uint16_t wramcmd;		//开始写gram指令
-	uint16_t setxcmd;		//设置x坐标指令
-	uint16_t setycmd;		//设置y坐标指令
+    uint16_t width;         //LCD 宽度
+    uint16_t height;        //LCD 高度
+    uint16_t id;            //LCD ID
+    uint8_t  dir;           //横屏还是竖屏控制：0，竖屏；1，横屏。
+    uint16_t wramcmd;       //开始写gram指令
+    uint16_t setxcmd;       //设置x坐标指令
+    uint16_t setycmd;       //设置y坐标指令
 }_lcd_dev;
 
 //LCD参数
-extern _lcd_dev lcddev;	//管理LCD重要参数
+extern _lcd_dev lcddev; //管理LCD重要参数
 
 typedef struct
 {
@@ -39,33 +39,33 @@ typedef struct
 }LCD_CONTROLLER_TypeDef;
 
 //扫描方向定义
-#define L2R_U2D  0 		//从左到右,从上到下
-#define L2R_D2U  1 		//从左到右,从下到上
-#define R2L_U2D  2 		//从右到左,从上到下
-#define R2L_D2U  3 		//从右到左,从下到上
+#define L2R_U2D  0      //从左到右,从上到下
+#define L2R_D2U  1      //从左到右,从下到上
+#define R2L_U2D  2      //从右到左,从上到下
+#define R2L_D2U  3      //从右到左,从下到上
 
-#define U2D_L2R  4 		//从上到下,从左到右
-#define U2D_R2L  5 		//从上到下,从右到左
-#define D2U_L2R  6 		//从下到上,从左到右
-#define D2U_R2L  7		//从下到上,从右到左
+#define U2D_L2R  4      //从上到下,从左到右
+#define U2D_R2L  5      //从上到下,从右到左
+#define D2U_L2R  6      //从下到上,从左到右
+#define D2U_R2L  7      //从下到上,从右到左
 
 #define DFT_SCAN_DIR  L2R_U2D  //默认的扫描方向
 
 //LCD分辨率设置
-#define SSD_HOR_RESOLUTION		800		//LCD水平分辨率
-#define SSD_VER_RESOLUTION		480		//LCD垂直分辨率
+#define SSD_HOR_RESOLUTION      800     //LCD水平分辨率
+#define SSD_VER_RESOLUTION      480     //LCD垂直分辨率
 //LCD驱动参数设置
-#define SSD_HOR_PULSE_WIDTH		1		//水平脉宽
-#define SSD_HOR_BACK_PORCH		46		//水平前廊
-#define SSD_HOR_FRONT_PORCH		210		//水平后廊
+#define SSD_HOR_PULSE_WIDTH     1       //水平脉宽
+#define SSD_HOR_BACK_PORCH      46      //水平前廊
+#define SSD_HOR_FRONT_PORCH     210     //水平后廊
 
-#define SSD_VER_PULSE_WIDTH		1		//垂直脉宽
-#define SSD_VER_BACK_PORCH		23		//垂直前廊
-#define SSD_VER_FRONT_PORCH		22		//垂直前廊
+#define SSD_VER_PULSE_WIDTH     1       //垂直脉宽
+#define SSD_VER_BACK_PORCH      23      //垂直前廊
+#define SSD_VER_FRONT_PORCH     22      //垂直前廊
 //如下几个参数，自动计算
-#define SSD_HT	(SSD_HOR_RESOLUTION+SSD_HOR_BACK_PORCH+SSD_HOR_FRONT_PORCH)
-#define SSD_HPS	(SSD_HOR_BACK_PORCH)
-#define SSD_VT 	(SSD_VER_RESOLUTION+SSD_VER_BACK_PORCH+SSD_VER_FRONT_PORCH)
+#define SSD_HT  (SSD_HOR_RESOLUTION+SSD_HOR_BACK_PORCH+SSD_HOR_FRONT_PORCH)
+#define SSD_HPS (SSD_HOR_BACK_PORCH)
+#define SSD_VT  (SSD_VER_RESOLUTION+SSD_VER_BACK_PORCH+SSD_VER_FRONT_PORCH)
 #define SSD_VPS (SSD_VER_BACK_PORCH)