diff --git a/bsp/tkm32F499/drivers/board.c b/bsp/tkm32F499/drivers/board.c
index b11afa8f16..6e5eb5791d 100644
--- a/bsp/tkm32F499/drivers/board.c
+++ b/bsp/tkm32F499/drivers/board.c
@@ -26,8 +26,8 @@ MSH_CMD_EXPORT(reboot, Reboot System);
 static void bsp_clock_config(void)
 {
     RemapVtorTable();
-	SystemClk_HSEInit(RCC_PLLMul_20);//启动PLL时钟，12MHz*20=240MHz
-	NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);//2：2，全局性函数，仅需设置一次
+    SystemClk_HSEInit(RCC_PLLMul_20);//启动PLL时钟，12MHz*20=240MHz
+    NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);//2：2，全局性函数，仅需设置一次
 
     uint32_t sysclk = 0;
     getSystemClock(&sysclk);
diff --git a/bsp/tkm32F499/drivers/drv_gpio.h b/bsp/tkm32F499/drivers/drv_gpio.h
index 50eac81e17..1f52cacba5 100644
--- a/bsp/tkm32F499/drivers/drv_gpio.h
+++ b/bsp/tkm32F499/drivers/drv_gpio.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/bsp/tkm32F499/drivers/lcd/lcd.c b/bsp/tkm32F499/drivers/lcd/lcd.c
index e0bbb22521..abfd677c9d 100644
--- a/bsp/tkm32F499/drivers/lcd/lcd.c
+++ b/bsp/tkm32F499/drivers/lcd/lcd.c
@@ -187,7 +187,7 @@ void BlockWrite(unsigned int Xstart, unsigned int Xend, unsigned int Ystart, uns
     SPI_WriteData(Yend & 0xff);
 
     SPI_WriteComm(0x2c00);
-    //	for(Xstart=0;Xstart<1000;Xstart++)SPI_WriteData(0x55);
+    //  for(Xstart=0;Xstart<1000;Xstart++)SPI_WriteData(0x55);
 }
 void Lcd_Initialize(void)
 {
@@ -1040,23 +1040,23 @@ void LCD_Initial(rt_uint32_t LTDC_Buf1, rt_uint32_t LTDC_Buf2) //LCD初始化函
 //             LTDC_Buf[yStart + i + YSIZE_PHYS * j + temp] = Color;
 //     }
 
-//     //	rt_uint16_t i,j;
-//     //	rt_uint32_t temp;
-//     //	temp = XSIZE_PHYS*yStart;
-//     //	for(i=0;i<yLong;i++)
-//     //	{
-//     //		for(j=0;j<xLong;j++)
-//     //		LTDC_Buf[xStart+j+XSIZE_PHYS*i+temp]=Color;
-//     //	}
+//     //   rt_uint16_t i,j;
+//     //   rt_uint32_t temp;
+//     //   temp = XSIZE_PHYS*yStart;
+//     //   for(i=0;i<yLong;i++)
+//     //   {
+//     //       for(j=0;j<xLong;j++)
+//     //       LTDC_Buf[xStart+j+XSIZE_PHYS*i+temp]=Color;
+//     //   }
 // }
 
 /******************************************
 函数名：Lcd图像填充
 功能：向Lcd指定位置填充图像
 入口参数：
-					(x,y): 图片左上角起始坐标
-					(pic_H,pic_V): 图片的宽高
-					 pic  指向存储图片数组的指针
+                    (x,y): 图片左上角起始坐标
+                    (pic_H,pic_V): 图片的宽高
+                     pic  指向存储图片数组的指针
 LCD_Fill_Pic(400,100,320,480,(rt_uint32_t*)gImage_MM_T035);
 ******************************************/
 // void LCD_Fill_Pic(rt_uint16_t x, rt_uint16_t y, rt_uint16_t pic_H, rt_uint16_t pic_V, rt_uint32_t *pic)
@@ -1070,20 +1070,20 @@ LCD_Fill_Pic(400,100,320,480,(rt_uint32_t*)gImage_MM_T035);
 //             LTDC_Buf[Xstart + i + YSIZE_PHYS * j + y] = pic[k++];
 //     }
 
-//     //	rt_uint16_t i,j;
-//     //	rt_uint32_t Ystart,k=0;
-//     //	Ystart = YSIZE_PHYS*y;
-//     //	for(i=0;i<pic_V;i++)
-//     //	{
-//     //		for(j=0;j<pic_H;j++)
-//     //		LTDC_Buf[x+j+YSIZE_PHYS*i+Ystart]=pic[k++];
-//     //	}
+//     //   rt_uint16_t i,j;
+//     //   rt_uint32_t Ystart,k=0;
+//     //   Ystart = YSIZE_PHYS*y;
+//     //   for(i=0;i<pic_V;i++)
+//     //   {
+//     //       for(j=0;j<pic_H;j++)
+//     //       LTDC_Buf[x+j+YSIZE_PHYS*i+Ystart]=pic[k++];
+//     //   }
 // }
 //=============== 在x，y 坐标上打一个颜色为Color的点 ===============
 // void DrawPixel(rt_uint16_t x, rt_uint16_t y, int Color)
 // {
 //     LTDC_Buf[y + YSIZE_PHYS * x] = Color;
-//     //	LTDC_Buf[x+XSIZE_PHYS*y] = Color;
+//     //   LTDC_Buf[x+XSIZE_PHYS*y] = Color;
 // }
 /**********8*16字体 ASCII码 显示*************
 (x,y): 显示字母的起始坐标
diff --git a/bsp/tkm32F499/drivers/lcd/lcd.h b/bsp/tkm32F499/drivers/lcd/lcd.h
index 9bdb147b6e..ba925eb896 100644
--- a/bsp/tkm32F499/drivers/lcd/lcd.h
+++ b/bsp/tkm32F499/drivers/lcd/lcd.h
@@ -13,27 +13,27 @@
 // #define XSIZE_PHYS 800
 // #define YSIZE_PHYS 480
 // extern __align(256) rt_uint32_t LTDC_Buf[XSIZE_PHYS*YSIZE_PHYS];
-#define LCD_SPI_CS(a)	\
-						if (a)	\
-						GPIOB->BSRR = GPIO_Pin_11;	\
-						else		\
-						GPIOB->BRR  = GPIO_Pin_11;
-#define SPI_DCLK(a)	\
-						if (a)	\
-						GPIOB->BSRR = GPIO_Pin_9;	\
-						else		\
-						GPIOB->BRR  = GPIO_Pin_9;
-#define SPI_SDA(a)	\
-						if (a)	\
-						GPIOB->BSRR = GPIO_Pin_0;	\
-						else		\
-						GPIOB->BRR  = GPIO_Pin_0;
+#define LCD_SPI_CS(a)   \
+                        if (a)  \
+                        GPIOB->BSRR = GPIO_Pin_11;  \
+                        else        \
+                        GPIOB->BRR  = GPIO_Pin_11;
+#define SPI_DCLK(a) \
+                        if (a)  \
+                        GPIOB->BSRR = GPIO_Pin_9;   \
+                        else        \
+                        GPIOB->BRR  = GPIO_Pin_9;
+#define SPI_SDA(a)  \
+                        if (a)  \
+                        GPIOB->BSRR = GPIO_Pin_0;   \
+                        else        \
+                        GPIOB->BRR  = GPIO_Pin_0;
 
-#define LCD_RST(a)	\
-						if (a)	\
-						GPIOD->BSRR = GPIO_Pin_6;	\
-						else		\
-						GPIOD->BRR  = GPIO_Pin_6;
+#define LCD_RST(a)  \
+                        if (a)  \
+                        GPIOD->BSRR = GPIO_Pin_6;   \
+                        else        \
+                        GPIOD->BRR  = GPIO_Pin_6;
 #define Set_Rst         GPIOD->BSRR = GPIO_Pin_6
 #define Clr_Rst         GPIOD->BRR  = GPIO_Pin_6
 #define Lcd_Light_ON    GPIOD->BSRR = GPIO_Pin_8  //PD8为高电平 背光打开