diff --git a/bsp/CME_M7/drivers/app_phy.c b/bsp/CME_M7/drivers/app_phy.c
index b19d9e2348c1e344ad485f93da9de335a821a906..5fb210d2ea1888cab83aa25a3941d53782e2d6c4 100644
--- a/bsp/CME_M7/drivers/app_phy.c
+++ b/bsp/CME_M7/drivers/app_phy.c
@@ -1,22 +1,22 @@
 #include <stdio.h>
 #include "app_phy.h"
 
-#define PHY_BASE_ADDR   						0x7
+#define PHY_BASE_ADDR                           0x7
 
 #define PHY_REG_CONTROL             0x0
 #define PHY_REG_STATUS              0x1
 #define PHY_REG_ANE                 0x6
 #define PHY_REG_SPEC_STATUS         0x11
-#define PHY_REG_EXTEND_STATUS				0x1B
+#define PHY_REG_EXTEND_STATUS               0x1B
 
-#define PHY_BIT_CONTROL_RESET           0x8000			/*!< Control reg : reset */
-#define PHY_BIT_CONTROL_ANEN            0x1000			/*!< Control reg : auto-negotiation enable */
-#define PHY_BIT_CONTROL_RSAN            0x0200			/*!< Control reg : auto-negotiation restart */
+#define PHY_BIT_CONTROL_RESET           0x8000          /*!< Control reg : reset */
+#define PHY_BIT_CONTROL_ANEN            0x1000          /*!< Control reg : auto-negotiation enable */
+#define PHY_BIT_CONTROL_RSAN            0x0200          /*!< Control reg : auto-negotiation restart */
 
-#define PHY_BIT_STATUS_ANC              0x0020			/*!< Status reg : auto-negotiation complete */
-#define PHY_BIT_STATUS_LINK             0x0004			/*!< Status reg : link is up */
+#define PHY_BIT_STATUS_ANC              0x0020          /*!< Status reg : auto-negotiation complete */
+#define PHY_BIT_STATUS_LINK             0x0004          /*!< Status reg : link is up */
 
-#define PHY_BIT_ANE_LPAN                0x0001			/*!< ANE reg : link partner can auto-neg */
+#define PHY_BIT_ANE_LPAN                0x0001          /*!< ANE reg : link partner can auto-neg */
 
 #define PHY_BIT_SPEED                   0xC000      /*!< specific status reg : speed */
 #define PHY_BIT_DUPLEX                  0x2000      /*!< specific status reg : duplex */
@@ -25,24 +25,24 @@
 #define PHY_BIT_AUTO_MEDIA_REG_DISABLE  0x0200      /*!< extended status reg : auto media register select disable */
 
 void phy_Reset() {
-	ETH_PhyWrite(PHY_BASE_ADDR, PHY_REG_CONTROL, PHY_BIT_CONTROL_RESET);
-
-	while (1) {
-		uint32_t ret = ETH_PhyRead(PHY_BASE_ADDR, PHY_REG_CONTROL);
-	  if ((ret & PHY_BIT_CONTROL_RESET) == 0) {
-			break;
-		}
-	}
+    ETH_PhyWrite(PHY_BASE_ADDR, PHY_REG_CONTROL, PHY_BIT_CONTROL_RESET);
+
+    while (1) {
+        uint32_t ret = ETH_PhyRead(PHY_BASE_ADDR, PHY_REG_CONTROL);
+      if ((ret & PHY_BIT_CONTROL_RESET) == 0) {
+            break;
+        }
+    }
 }
 
 void phy_AutoMediaSelect() {
-	uint32_t data;
+    uint32_t data;
 
-	// auto media and auto media register selection
-	data = ETH_PhyRead(PHY_BASE_ADDR, PHY_REG_EXTEND_STATUS);
-	data &= ~PHY_BIT_AUTO_MEDIA_DISABLE;
-	data &= ~PHY_BIT_AUTO_MEDIA_REG_DISABLE;
-	ETH_PhyWrite(PHY_BASE_ADDR, PHY_REG_EXTEND_STATUS, data);
+    // auto media and auto media register selection
+    data = ETH_PhyRead(PHY_BASE_ADDR, PHY_REG_EXTEND_STATUS);
+    data &= ~PHY_BIT_AUTO_MEDIA_DISABLE;
+    data &= ~PHY_BIT_AUTO_MEDIA_REG_DISABLE;
+    ETH_PhyWrite(PHY_BASE_ADDR, PHY_REG_EXTEND_STATUS, data);
 }
 
 void phy_AutoNeg()
@@ -65,61 +65,61 @@ void phy_AutoNeg()
 }
 
 BOOL phy_IsLink() {
-	uint32_t ret = ETH_PhyRead(PHY_BASE_ADDR, PHY_REG_STATUS);
-	return (ret & PHY_BIT_STATUS_LINK) ? TRUE : FALSE;
+    uint32_t ret = ETH_PhyRead(PHY_BASE_ADDR, PHY_REG_STATUS);
+    return (ret & PHY_BIT_STATUS_LINK) ? TRUE : FALSE;
 }
 
 BOOL phy_PartnerCanAutoNeg() {
-	uint32_t ret = ETH_PhyRead(PHY_BASE_ADDR, PHY_REG_ANE);
-	return (ret & PHY_BIT_ANE_LPAN) ? TRUE : FALSE;
+    uint32_t ret = ETH_PhyRead(PHY_BASE_ADDR, PHY_REG_ANE);
+    return (ret & PHY_BIT_ANE_LPAN) ? TRUE : FALSE;
 }
 
 uint32_t phy_GetSpeed() {
-	uint32_t ret = ETH_PhyRead(PHY_BASE_ADDR, PHY_REG_SPEC_STATUS);
-	return ((ret & PHY_BIT_SPEED) >> 14);
+    uint32_t ret = ETH_PhyRead(PHY_BASE_ADDR, PHY_REG_SPEC_STATUS);
+    return ((ret & PHY_BIT_SPEED) >> 14);
 }
 
 uint32_t phy_GetDuplex() {
-	uint32_t ret = ETH_PhyRead(PHY_BASE_ADDR, PHY_REG_SPEC_STATUS);
-	return ((ret & PHY_BIT_DUPLEX) >> 13);
+    uint32_t ret = ETH_PhyRead(PHY_BASE_ADDR, PHY_REG_SPEC_STATUS);
+    return ((ret & PHY_BIT_DUPLEX) >> 13);
 }
 
 BOOL phy_Init() {
-	phy_AutoMediaSelect();
-	phy_AutoNeg();
-
-	if (!phy_PartnerCanAutoNeg()) {
-		printf("Warning:: PHY's partner can't do auto-negotiation\n");
-	}
-
-	if (!phy_IsLink()) {
-		printf("link is down\n");
-		return FALSE;
-	}
-
-	{
-		uint32_t speed = phy_GetSpeed();
-		if (speed == PHY_SPEED_10) {
-			speed = 10;
-		} else if (speed == PHY_SPEED_100) {
-			speed = 100;
-		} else if (speed == PHY_SPEED_1000) {
-			speed = 1000;
-		}
-
-		printf("PHY runs in %dM speed %s duplex\n",
-			speed, (phy_GetDuplex() == PHY_DUPLEX_HALF) ? "half" : "full");
-	}
-
-	// After auto-negcioation, Mawell PHY need some
-	// time to initial itself.
-	// So we have to delay some time since different
-	// connection way, such as direct wire, hub, switch.
-	// If not to delay, the first several sent frame
-	// may be lost.
-	// Please according to actual environment to tune
-	// this delay.
-	udelay(200000);
-
-	return TRUE;
+    phy_AutoMediaSelect();
+    phy_AutoNeg();
+
+    if (!phy_PartnerCanAutoNeg()) {
+        printf("Warning:: PHY's partner can't do auto-negotiation\n");
+    }
+
+    if (!phy_IsLink()) {
+        printf("link is down\n");
+        return FALSE;
+    }
+
+    {
+        uint32_t speed = phy_GetSpeed();
+        if (speed == PHY_SPEED_10) {
+            speed = 10;
+        } else if (speed == PHY_SPEED_100) {
+            speed = 100;
+        } else if (speed == PHY_SPEED_1000) {
+            speed = 1000;
+        }
+
+        printf("PHY runs in %dM speed %s duplex\n",
+            speed, (phy_GetDuplex() == PHY_DUPLEX_HALF) ? "half" : "full");
+    }
+
+    // After auto-negcioation, Mawell PHY need some
+    // time to initial itself.
+    // So we have to delay some time since different
+    // connection way, such as direct wire, hub, switch.
+    // If not to delay, the first several sent frame
+    // may be lost.
+    // Please according to actual environment to tune
+    // this delay.
+    udelay(200000);
+
+    return TRUE;
 }
diff --git a/bsp/CME_M7/drivers/app_phy.h b/bsp/CME_M7/drivers/app_phy.h
index ac8afd9d695860f10bfebe89e583cc58a4e66f36..fc8fa24afedd6f039640c39fb4d0be7f0e5f93ca 100644
--- a/bsp/CME_M7/drivers/app_phy.h
+++ b/bsp/CME_M7/drivers/app_phy.h
@@ -7,13 +7,13 @@
 
 #include "cmem7_includes.h"
 
-#define PHY_SPEED_10           			0x0         /*!< SPEED : 10M  */
-#define PHY_SPEED_100          			0x1         /*!< SPEED : 100M  */
-#define PHY_SPEED_1000         			0x2         /*!< SPEED : 1000M  */
-	 
-#define PHY_DUPLEX_HALF        			0x0         /*!< DUPLEX : half  */
-#define PHY_DUPLEX_FULL        			0x1         /*!< DUPLEX : full  */
-	 
+#define PHY_SPEED_10                    0x0         /*!< SPEED : 10M  */
+#define PHY_SPEED_100                   0x1         /*!< SPEED : 100M  */
+#define PHY_SPEED_1000                  0x2         /*!< SPEED : 1000M  */
+
+#define PHY_DUPLEX_HALF                 0x0         /*!< DUPLEX : half  */
+#define PHY_DUPLEX_FULL                 0x1         /*!< DUPLEX : full  */
+
 void phy_Reset(void);
 void phy_AutoNeg(void);
 BOOL phy_IsLink(void);
@@ -26,7 +26,7 @@ BOOL phy_Init(void);
 }
 #endif
 
-#endif 
+#endif
 
 
 
diff --git a/bsp/CME_M7/drivers/emac.c b/bsp/CME_M7/drivers/emac.c
index 2a262aa52608a3298ed3b0f1a860e1a3e3035ddb..2582eab8056680420186d371cb476c8187e81619 100644
--- a/bsp/CME_M7/drivers/emac.c
+++ b/bsp/CME_M7/drivers/emac.c
@@ -1,7 +1,7 @@
 /*
  * File      : emac.c
  * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006-2014, RT-Thread Develop Team
+ * COPYRIGHT (C) 2006-2021, RT-Thread Develop Team
  *
  * The license and distribution terms for this file may be
  * found in the file LICENSE in this distribution or at
@@ -38,7 +38,7 @@ struct rt_cme_eth
     struct eth_device parent;
 
     /* interface address info. */
-    rt_uint8_t  dev_addr[MAX_ADDR_LEN];			/* hw address	*/
+    rt_uint8_t  dev_addr[MAX_ADDR_LEN];         /* hw address   */
 
     uint32_t    ETH_Speed;
     uint32_t    ETH_Mode;
@@ -95,8 +95,8 @@ uint32_t txTotalMemory = 0x2000;
 BOOL isRxNoBuf = FALSE;
 
 #define ETH_MAX_PACKET_SIZE    1520    /* ETH_HEADER + ETH_EXTRA + MAX_ETH_PAYLOAD + ETH_CRC */
-#define ETH_RXBUFNB        	4
-#define ETH_TXBUFNB        	2
+#define ETH_RXBUFNB         4
+#define ETH_TXBUFNB         2
 
 struct eth_rx_buffer
 {
diff --git a/bsp/CME_M7/drivers/uart.c b/bsp/CME_M7/drivers/uart.c
index b7911b406f1cbdefd41f70e5bc2b740ca8bf60fb..cdb3d0e77197403e6185251a573d3adaa5a67849 100644
--- a/bsp/CME_M7/drivers/uart.c
+++ b/bsp/CME_M7/drivers/uart.c
@@ -32,23 +32,23 @@ static struct rt_serial_device serial2;
 static rt_err_t CME_M7_configure(struct rt_serial_device *serial, struct serial_configure *cfg)
 {
     struct CME_M7_uart* uart;
-	UART_InitTypeDef init;
+    UART_InitTypeDef init;
 
     RT_ASSERT(serial != RT_NULL);
     RT_ASSERT(cfg != RT_NULL);
 
     uart = (struct CME_M7_uart *)serial->parent.user_data;
 
-	init.UART_BaudRate = cfg->baud_rate;
-	init.UART_StopBits = UART_StopBits_1;
+    init.UART_BaudRate = cfg->baud_rate;
+    init.UART_StopBits = UART_StopBits_1;
     init.UART_Parity = UART_Parity_None;
-	init.UART_LoopBack = FALSE;
-	init.UART_RxEn = TRUE;
-	init.UART_CtsEn = FALSE;
+    init.UART_LoopBack = FALSE;
+    init.UART_RxEn = TRUE;
+    init.UART_CtsEn = FALSE;
 
     UART_Init(uart->uart_device, &init);
     uart->uart_device->RX_RESET = 1;
-	UART_Enable(uart->uart_device, TRUE);
+    UART_Enable(uart->uart_device, TRUE);
     uart->uart_device->RX_RESET = 0;
 
     return RT_EOK;
@@ -67,24 +67,24 @@ static rt_err_t CME_M7_control(struct rt_serial_device *serial, int cmd, void *a
     case RT_DEVICE_CTRL_CLR_INT:
         /* disable rx irq */
         NVIC_InitStructure.NVIC_IRQChannel = uart->irq;
-		NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
-		NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
-		NVIC_InitStructure.NVIC_IRQChannelCmd = FALSE;
-		NVIC_Init(&NVIC_InitStructure);
+        NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
+        NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
+        NVIC_InitStructure.NVIC_IRQChannelCmd = FALSE;
+        NVIC_Init(&NVIC_InitStructure);
 
-		UART_EnableInt(uart->uart_device, UART_Int_RxNotEmpty, FALSE);
+        UART_EnableInt(uart->uart_device, UART_Int_RxNotEmpty, FALSE);
         break;
 
     case RT_DEVICE_CTRL_SET_INT:
         /* enable rx irq */
         NVIC_InitStructure.NVIC_IRQChannel = uart->irq;
-		NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
-		NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
-		NVIC_InitStructure.NVIC_IRQChannelCmd = TRUE;
-		NVIC_Init(&NVIC_InitStructure);
+        NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
+        NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
+        NVIC_InitStructure.NVIC_IRQChannelCmd = TRUE;
+        NVIC_Init(&NVIC_InitStructure);
 
-		UART_ClearInt(uart->uart_device, UART_Int_RxNotEmpty);
-		UART_EnableInt(uart->uart_device, UART_Int_RxNotEmpty, TRUE);
+        UART_ClearInt(uart->uart_device, UART_Int_RxNotEmpty);
+        UART_EnableInt(uart->uart_device, UART_Int_RxNotEmpty, TRUE);
         break;
     }
 
@@ -132,8 +132,8 @@ static const struct rt_uart_ops CME_M7_uart_ops =
 
 int rt_hw_uart_init(void)
 {
-	struct CME_M7_uart* uart;
-	struct rt_serial_device *serial;
+    struct CME_M7_uart* uart;
+    struct rt_serial_device *serial;
     struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
 
 #ifdef RT_USING_UART0
@@ -143,7 +143,7 @@ int rt_hw_uart_init(void)
     serial->ops    = &CME_M7_uart_ops;
     serial->config = config;
 
-	/* register UART device */
+    /* register UART device */
     rt_hw_serial_register(serial,
                           "uart0",
                           RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
@@ -157,14 +157,14 @@ int rt_hw_uart_init(void)
     serial->ops    = &CME_M7_uart_ops;
     serial->config = config;
 
-	/* register UART device */
+    /* register UART device */
     rt_hw_serial_register(serial,
                           "uart2",
                           RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
                           uart);
 #endif /* RT_USING_UART2 */
 
-	return RT_EOK;
+    return RT_EOK;
 }
 INIT_BOARD_EXPORT(rt_hw_uart_init);
 
diff --git a/bsp/efm32/application.c b/bsp/efm32/application.c
index d3bab9eabecb141c726bafcff07db75d85145d28..332dcc6ba8d8e971ab65f5e7fb4139006af3addc 100644
--- a/bsp/efm32/application.c
+++ b/bsp/efm32/application.c
@@ -65,7 +65,7 @@
 #include <rtgui/widgets/box.h>
 #include <rtgui/image.h>
 
- #if defined(RTGUI_USING_DFS_FILERW)
+#if defined(RTGUI_USING_DFS_FILERW)
  #include <dfs_posix.h>
  #define PATH_SEPARATOR     '/'
  #endif
@@ -77,8 +77,8 @@ struct photo_event
 {
     struct rtgui_event_win win;
     rt_uint32_t cmd;
-	rt_uint8_t* path;
-	rt_uint8_t* format;
+    rt_uint8_t* path;
+    rt_uint8_t* format;
 };
 
 /* Private defines -----------------------------------------------------------*/
@@ -95,10 +95,10 @@ volatile rt_uint32_t    rt_system_status = 0;
 #if defined(RT_USING_RTGUI)
 static rt_bool_t pic_view_event_handler(rtgui_object_t *object, rtgui_event_t *event)
 {
-	rt_bool_t result;
+    rt_bool_t result;
     rt_bool_t load = RT_FALSE;
 
-	result = rtgui_container_event_handler(object, event);
+    result = rtgui_container_event_handler(object, event);
 
     switch(event->type)
     {
@@ -108,27 +108,27 @@ static rt_bool_t pic_view_event_handler(rtgui_object_t *object, rtgui_event_t *e
 
     case RTGUI_EVENT_MOUSE_BUTTON:
         {
-			struct rtgui_event_mouse *mouse = (struct rtgui_event_mouse *)event;
+            struct rtgui_event_mouse *mouse = (struct rtgui_event_mouse *)event;
 
-			if (mouse->button == RTGUI_MOUSE_BUTTON_LEFT | RTGUI_MOUSE_BUTTON_UP)
-			{
+            if (mouse->button == RTGUI_MOUSE_BUTTON_LEFT | RTGUI_MOUSE_BUTTON_UP)
+            {
                 rt_kprintf("APP: left click (%x)\n", mouse->button);
-			}
+            }
         }
         break;
     }
 
     if (load)
-	{
-		struct rtgui_dc* dc;
-		rtgui_rect_t rect;
+    {
+        struct rtgui_dc* dc;
+        rtgui_rect_t rect;
         rtgui_image_t* image;
 
         image = rtgui_image_create_from_file("jpg", "/test9.jpg", RT_FALSE);
 //        image = rtgui_image_create_from_file("bmp", "/test_565.bmp", RT_FALSE);
 
-		dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(object));
-		if (dc == RT_NULL)
+        dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(object));
+        if (dc == RT_NULL)
         {
             return result;
         }
@@ -138,9 +138,9 @@ static rt_bool_t pic_view_event_handler(rtgui_object_t *object, rtgui_event_t *e
         rect.x1 +=10;
         rect.y1 +=10;
 
-		if (image != RT_NULL)
+        if (image != RT_NULL)
         {
-			rtgui_image_blit(image, dc, &rect);
+            rtgui_image_blit(image, dc, &rect);
             rtgui_image_destroy(image);
         }
         else
@@ -148,10 +148,10 @@ static rt_bool_t pic_view_event_handler(rtgui_object_t *object, rtgui_event_t *e
             rt_kprintf("APP err: no image found!\n");
         }
 
-		rtgui_dc_end_drawing(dc, RT_TRUE);
-	}
+        rtgui_dc_end_drawing(dc, RT_TRUE);
+    }
 
-	return result;
+    return result;
 }
 
 static void app_main(void *parameter)
@@ -169,21 +169,21 @@ static void app_main(void *parameter)
     lcd->control(lcd, RTGRAPHIC_CTRL_GET_INFO, (void *)&lcd_info);
     rt_kprintf("LCD size: %dX%d\n", lcd_info.width, lcd_info.height);
 
-	/* create application */
-	struct rtgui_app *app;
-	app = rtgui_app_create("gui_app");
-	if (app == RT_NULL)
+    /* create application */
+    struct rtgui_app *app;
+    app = rtgui_app_create("gui_app");
+    if (app == RT_NULL)
     {
         rt_kprintf("Create application \"gui_app\" failed!\n");
         return;
     }
 
-	struct rtgui_rect rect1, rect2, rect3;
+    struct rtgui_rect rect1, rect2, rect3;
     struct rtgui_win *win_info, *win_main, *win_hello;
-	struct rtgui_container *container;
+    struct rtgui_container *container;
     struct rtgui_label* label;
 
-	rtgui_graphic_driver_get_rect(rtgui_graphic_driver_get_default(), &rect1);
+    rtgui_graphic_driver_get_rect(rtgui_graphic_driver_get_default(), &rect1);
     rect2.x1 = rect1.x1;
     rect2.y1 = 25;
     rect2.x2 = rect1.x2;
@@ -191,119 +191,119 @@ static void app_main(void *parameter)
     rect1.y2 = 25;
 
     /* create info window */
-	win_info = rtgui_win_create(RT_NULL, "info",
+    win_info = rtgui_win_create(RT_NULL, "info",
                     &rect1,
                     RTGUI_WIN_STYLE_NO_BORDER | RTGUI_WIN_STYLE_NO_TITLE);
-	if (win_info == RT_NULL)
-	{
+    if (win_info == RT_NULL)
+    {
         rt_kprintf("Create window \"info\" failed!\n");
-		rtgui_app_destroy(app);
+        rtgui_app_destroy(app);
         return;
-	}
+    }
 
     /* create container in info window */
-	container = rtgui_container_create();
-	if (container == RT_NULL)
-	{
+    container = rtgui_container_create();
+    if (container == RT_NULL)
+    {
         rt_kprintf("Create container failed!\n");
-		return;
-	}
-	rtgui_widget_set_rect(RTGUI_WIDGET(container), &rect1);
+        return;
+    }
+    rtgui_widget_set_rect(RTGUI_WIDGET(container), &rect1);
     rtgui_container_add_child(RTGUI_CONTAINER(win_info), RTGUI_WIDGET(container));
 
     /* create lable in info window */
-	label = rtgui_label_create("RT-Thread & RTGUI");
+    label = rtgui_label_create("RT-Thread & RTGUI");
     if (label == RT_NULL)
     {
         rt_kprintf("Create lable failed!\n");
         return;
     }
 
-	RTGUI_WIDGET_TEXTALIGN(RTGUI_WIDGET(label)) = RTGUI_ALIGN_LEFT;
-	RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(label)) = red;
+    RTGUI_WIDGET_TEXTALIGN(RTGUI_WIDGET(label)) = RTGUI_ALIGN_LEFT;
+    RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(label)) = red;
     RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(label)) = white;
 
-	rect3.x1 = rect1.x1 + 5;
-	rect3.y1 = rect1.y1 + 5;
-	rect3.x2 = rect1.x2 - 5;
-	rect3.y2 = rect1.y2 - 5;
-	rtgui_widget_set_rect(RTGUI_WIDGET(label), &rect3);
-	rtgui_container_add_child(container, RTGUI_WIDGET(label));
+    rect3.x1 = rect1.x1 + 5;
+    rect3.y1 = rect1.y1 + 5;
+    rect3.x2 = rect1.x2 - 5;
+    rect3.y2 = rect1.y2 - 5;
+    rtgui_widget_set_rect(RTGUI_WIDGET(label), &rect3);
+    rtgui_container_add_child(container, RTGUI_WIDGET(label));
 
 
     /* create main window */
-	win_main = rtgui_win_create(RT_NULL, "main",
+    win_main = rtgui_win_create(RT_NULL, "main",
                     &rect2,
                     RTGUI_WIN_STYLE_NO_BORDER | RTGUI_WIN_STYLE_NO_TITLE);
-	if (win_main == RT_NULL)
-	{
+    if (win_main == RT_NULL)
+    {
         rt_kprintf("Create window \"main\" failed!\n");
-		rtgui_app_destroy(app);
+        rtgui_app_destroy(app);
         return;
-	}
+    }
 
     /* create container in main window */
-	container = rtgui_container_create();
-	if (container == RT_NULL)
-	{
+    container = rtgui_container_create();
+    if (container == RT_NULL)
+    {
         rt_kprintf("Create container failed!\n");
-		return;
-	}
+        return;
+    }
 
-	rtgui_widget_set_rect(RTGUI_WIDGET(container), &rect2);
+    rtgui_widget_set_rect(RTGUI_WIDGET(container), &rect2);
     rtgui_object_set_event_handler(RTGUI_OBJECT(container), pic_view_event_handler);
     rtgui_container_add_child(RTGUI_CONTAINER(win_main), RTGUI_WIDGET(container));
 
     /* create lable in main window */
-	label = rtgui_label_create("EFM32GG_DK3750 Kit");
+    label = rtgui_label_create("EFM32GG_DK3750 Kit");
     if (label == RT_NULL)
     {
         rt_kprintf("Create lable failed!\n");
         return;
     }
-	RTGUI_WIDGET_TEXTALIGN(RTGUI_WIDGET(label)) = RTGUI_ALIGN_LEFT;
-	RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(label)) = white;
+    RTGUI_WIDGET_TEXTALIGN(RTGUI_WIDGET(label)) = RTGUI_ALIGN_LEFT;
+    RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(label)) = white;
     RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(label)) = blue;
 
-	rect3.x1 = rect2.x1 + 5;
-	rect3.y1 = rect2.y1 + 5;
-	rect3.x2 = rect2.x2 - 5;
-	rect3.y2 = rect2.y1 + 20;
-	rtgui_widget_set_rect(RTGUI_WIDGET(label), &rect3);
-	rtgui_container_add_child(container, RTGUI_WIDGET(label));
+    rect3.x1 = rect2.x1 + 5;
+    rect3.y1 = rect2.y1 + 5;
+    rect3.x2 = rect2.x2 - 5;
+    rect3.y2 = rect2.y1 + 20;
+    rtgui_widget_set_rect(RTGUI_WIDGET(label), &rect3);
+    rtgui_container_add_child(container, RTGUI_WIDGET(label));
 
 
     /* create hello window */
-	rect3.x1 = 80;
-	rect3.y1 = 50;
-	rect3.x2 = 320 - 80;
-	rect3.y2 = 240 - 50;
-	win_hello = rtgui_win_create(RT_NULL, "hello",
+    rect3.x1 = 80;
+    rect3.y1 = 50;
+    rect3.x2 = 320 - 80;
+    rect3.y2 = 240 - 50;
+    win_hello = rtgui_win_create(RT_NULL, "hello",
                     &rect3,
                     RTGUI_WIN_STYLE_DEFAULT);
-	if (win_hello == RT_NULL)
-	{
+    if (win_hello == RT_NULL)
+    {
         rt_kprintf("Create window \"hello\" failed!\n");
-		rtgui_app_destroy(app);
+        rtgui_app_destroy(app);
         return;
-	}
+    }
 
     /* create a box */
     rtgui_box_t *box = rtgui_box_create(RTGUI_VERTICAL, RT_NULL);
-	if(box == RT_NULL)
+    if(box == RT_NULL)
     {
         rt_kprintf("Create box failed!\n");
         return;
     }
 //    rtgui_win_set_box(win_hello, box);
 
-    label = rtgui_label_create("¹þÂÞ,íïÅÖ!");
-	if(label == RT_NULL)
+    label = rtgui_label_create("哈罗,盹胖!");
+    if(label == RT_NULL)
     {
         rt_kprintf("Create lable failed!\n");
         return;
     }
-	RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(label)) = white;
+    RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(label)) = white;
     RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(label)) = black;
     RTGUI_WIDGET(label)->align = RTGUI_ALIGN_CENTER_HORIZONTAL | RTGUI_ALIGN_CENTER_VERTICAL;
     rtgui_widget_set_miniwidth(RTGUI_WIDGET(label),130);
@@ -322,18 +322,18 @@ static void app_main(void *parameter)
 
 static rt_bool_t photo_view_event_handler(rtgui_object_t *object, rtgui_event_t *event)
 {
-	rt_bool_t result = RT_FALSE;
+    rt_bool_t result = RT_FALSE;
     struct photo_event *photo_event = (struct photo_event *)event;
 
-	result = rtgui_container_event_handler(object, event);
+    result = rtgui_container_event_handler(object, event);
     rt_kprintf("container event %x\n", event->type);
 
-	struct rtgui_event_win* wevent = (struct rtgui_event_win*)event;
+    struct rtgui_event_win* wevent = (struct rtgui_event_win*)event;
     rt_kprintf("wevent->wid %x\n", wevent->wid);
 
     if ((event->type == RTGUI_EVENT_COMMAND) && \
         (photo_event->cmd == APP_CMD_PHOTO_FRAME))
-	{
+    {
         rtgui_rect_t rect;
         rtgui_image_t* image;
         struct rtgui_dc* dc;
@@ -361,25 +361,25 @@ static rt_bool_t photo_view_event_handler(rtgui_object_t *object, rtgui_event_t
         return RT_TRUE;
     }
 
-	return result;
+    return result;
 }
 
 static rt_bool_t photo_lable_event_handler(rtgui_object_t *object, rtgui_event_t *event)
 {
-	rt_bool_t result = RT_FALSE;
+    rt_bool_t result = RT_FALSE;
 
-	result = rtgui_label_event_handler(object, event);
+    result = rtgui_label_event_handler(object, event);
     rt_kprintf("lable event %x\n", event->type);
 
     if (event->type == RTGUI_EVENT_COMMAND)
-	{
+    {
         struct photo_event *photo = (struct photo_event *)event;
 
         rtgui_label_set_text((rtgui_label_t *)object, photo->path);
         rt_kprintf("path %s\n", photo->path);
     }
 
-	return result;
+    return result;
 }
 
 static void app_photo(void *parameter)
@@ -399,64 +399,64 @@ static void app_photo(void *parameter)
     lcd->control(lcd, RTGRAPHIC_CTRL_GET_INFO, (void *)&lcd_info);
     rt_kprintf("LCD size: %dX%d\n", lcd_info.width, lcd_info.height);
 
-	/* create application */
-	struct rtgui_app *app;
-	app = rtgui_app_create("pho_app");
-	if (app == RT_NULL)
+    /* create application */
+    struct rtgui_app *app;
+    app = rtgui_app_create("pho_app");
+    if (app == RT_NULL)
     {
         rt_kprintf("Create application \"pho_app\" failed!\n");
         return;
     }
 
-	struct rtgui_rect rect1, rect2;
+    struct rtgui_rect rect1, rect2;
     struct rtgui_win *window;
-	struct rtgui_container *container;
+    struct rtgui_container *container;
     struct rtgui_label* label;
 
-	rtgui_graphic_driver_get_rect(rtgui_graphic_driver_get_default(), &rect1);
+    rtgui_graphic_driver_get_rect(rtgui_graphic_driver_get_default(), &rect1);
 
     /* create window */
-	window = rtgui_win_create(RT_NULL, "photo",
+    window = rtgui_win_create(RT_NULL, "photo",
                     &rect1,
                     RTGUI_WIN_STYLE_NO_BORDER | RTGUI_WIN_STYLE_NO_TITLE);
-	if (window == RT_NULL)
-	{
+    if (window == RT_NULL)
+    {
         rt_kprintf("Create window \"photo\" failed!\n");
-		rtgui_app_destroy(app);
+        rtgui_app_destroy(app);
         return;
-	}
+    }
     event->win.wid = window;
 
     /* create container */
-	container = rtgui_container_create();
-	if (container == RT_NULL)
-	{
+    container = rtgui_container_create();
+    if (container == RT_NULL)
+    {
         rt_kprintf("Create container failed!\n");
-		return;
-	}
-	rtgui_widget_set_rect(RTGUI_WIDGET(container), &rect1);
+        return;
+    }
+    rtgui_widget_set_rect(RTGUI_WIDGET(container), &rect1);
     rtgui_object_set_event_handler(RTGUI_OBJECT(container), photo_view_event_handler);
     rtgui_container_add_child(RTGUI_CONTAINER(window), RTGUI_WIDGET(container));
 
     /* create lable in info window */
-	label = rtgui_label_create("Photo Frame Demo");
+    label = rtgui_label_create("Photo Frame Demo");
     if (label == RT_NULL)
     {
         rt_kprintf("Create lable failed!\n");
         return;
     }
 
-	RTGUI_WIDGET_TEXTALIGN(RTGUI_WIDGET(label)) = RTGUI_ALIGN_LEFT;
-	RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(label)) = white;
+    RTGUI_WIDGET_TEXTALIGN(RTGUI_WIDGET(label)) = RTGUI_ALIGN_LEFT;
+    RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(label)) = white;
     RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(label)) = blue;
 
     rect2.x1 = rect1.x1;
     rect2.y1 = rect1.y1;
     rect2.x2 = rect1.x2;
     rect2.y2 = 15;
-	rtgui_widget_set_rect(RTGUI_WIDGET(label), &rect2);
+    rtgui_widget_set_rect(RTGUI_WIDGET(label), &rect2);
     rtgui_object_set_event_handler(RTGUI_OBJECT(label), photo_lable_event_handler);
-	rtgui_container_add_child(container, RTGUI_WIDGET(label));
+    rtgui_container_add_child(container, RTGUI_WIDGET(label));
 
     rtgui_win_show(window, RT_FALSE);
 
diff --git a/bsp/ra6m4-cpk/drivers/drv_gpio.h b/bsp/ra6m4-cpk/drivers/drv_gpio.h
index 4493bb02ee457696c05f01db6001257c80b74039..c72c63654836c5f0712e7fd4d5cc8e69f95e6894 100644
--- a/bsp/ra6m4-cpk/drivers/drv_gpio.h
+++ b/bsp/ra6m4-cpk/drivers/drv_gpio.h
@@ -39,4 +39,4 @@ int rt_hw_pin_init(void);
 }
 #endif
 
-#endif /* __DRV_GPIO_H__ */
\ No newline at end of file
+#endif /* __DRV_GPIO_H__ */
diff --git a/bsp/ra6m4-cpk/drivers/drv_rtc.c b/bsp/ra6m4-cpk/drivers/drv_rtc.c
index 6c3908eebbeadfd411b2dc3f10475f0a74e3def3..379213fd934c12ccca637fcc072fb3622b35f1d5 100644
--- a/bsp/ra6m4-cpk/drivers/drv_rtc.c
+++ b/bsp/ra6m4-cpk/drivers/drv_rtc.c
@@ -223,4 +223,4 @@ static int rt_hw_rtc_init(void)
     return RT_EOK;
 }
 INIT_DEVICE_EXPORT(rt_hw_rtc_init);
-#endif
\ No newline at end of file
+#endif
diff --git a/bsp/ra6m4-cpk/ra_cfg/fsp_cfg/bsp/bsp_cfg.h b/bsp/ra6m4-cpk/ra_cfg/fsp_cfg/bsp/bsp_cfg.h
index f3664077fc8e52ee4e93e834e4ae069a828210b6..9e72e1ccb73df31db36511c12cd94ac5cf5c5412 100644
--- a/bsp/ra6m4-cpk/ra_cfg/fsp_cfg/bsp/bsp_cfg.h
+++ b/bsp/ra6m4-cpk/ra_cfg/fsp_cfg/bsp/bsp_cfg.h
@@ -34,7 +34,7 @@
             #ifndef BSP_CLOCK_CFG_MAIN_OSC_POPULATED
             #define BSP_CLOCK_CFG_MAIN_OSC_POPULATED (1)
             #endif
-            
+
             #ifndef BSP_CLOCK_CFG_MAIN_OSC_CLOCK_SOURCE
             #define BSP_CLOCK_CFG_MAIN_OSC_CLOCK_SOURCE (0)
             #endif
diff --git a/bsp/ra6m4-cpk/ra_gen/vector_data.c b/bsp/ra6m4-cpk/ra_gen/vector_data.c
index 5bbc4946182e879a4fdba2df44c59588ab8912d3..bbb826b0119f6d534114f6c9664e09c289f5273c 100644
--- a/bsp/ra6m4-cpk/ra_gen/vector_data.c
+++ b/bsp/ra6m4-cpk/ra_gen/vector_data.c
@@ -18,4 +18,4 @@
             [3] = BSP_PRV_IELS_ENUM(EVENT_SCI7_ERI), /* SCI7 ERI (Receive error) */
             [4] = BSP_PRV_IELS_ENUM(EVENT_ICU_IRQ0), /* ICU IRQ0 (External pin interrupt 0) */
         };
-        #endif
\ No newline at end of file
+        #endif
diff --git a/bsp/ra6m4-cpk/ra_gen/vector_data.h b/bsp/ra6m4-cpk/ra_gen/vector_data.h
index fd6cf29e21b4888d29cf1ec61531f4c164cdeccb..5caeef04625435a5d277dcaeee1cd75ba6951e6d 100644
--- a/bsp/ra6m4-cpk/ra_gen/vector_data.h
+++ b/bsp/ra6m4-cpk/ra_gen/vector_data.h
@@ -36,4 +36,4 @@
             SCI7_ERI_IRQn = 3, /* SCI7 ERI (Receive error) */
             ICU_IRQ0_IRQn = 4, /* ICU IRQ0 (External pin interrupt 0) */
         } IRQn_Type;
-        #endif /* VECTOR_DATA_H */
\ No newline at end of file
+        #endif /* VECTOR_DATA_H */
diff --git a/bsp/ra6m4-cpk/src/hal_entry.c b/bsp/ra6m4-cpk/src/hal_entry.c
index acac8a844227ad87052156bd554ecbe481b4be72..79e099d30db7984e7ec111f23993c3cfe27b9eb1 100644
--- a/bsp/ra6m4-cpk/src/hal_entry.c
+++ b/bsp/ra6m4-cpk/src/hal_entry.c
@@ -14,7 +14,7 @@
 #include <rtdevice.h>
 
 #define LED3_PIN    BSP_IO_PORT_01_PIN_06
-#define USER_INPUT	"P105"
+#define USER_INPUT  "P105"
 
 void hal_entry(void)
 {
diff --git a/bsp/zynqmp-r5-axu4ev/drivers/board.h b/bsp/zynqmp-r5-axu4ev/drivers/board.h
index 07c43b5dc180800c667b48fdbcaaf05f8073272e..ad1bd2fff15280ff3cf29a4d5a3aed98b6d44c3f 100644
--- a/bsp/zynqmp-r5-axu4ev/drivers/board.h
+++ b/bsp/zynqmp-r5-axu4ev/drivers/board.h
@@ -15,4 +15,4 @@ extern int __bss_end;
 
 void rt_hw_board_init();
 
-#endif
\ No newline at end of file
+#endif
diff --git a/bsp/zynqmp-r5-axu4ev/drivers/drv_eth.c b/bsp/zynqmp-r5-axu4ev/drivers/drv_eth.c
index 05c29305fc323f6c2f5c744793b6d9ca777b12b3..b7b9a22a1d0f85b2c4848efb1a8dc0be5fe63110 100644
--- a/bsp/zynqmp-r5-axu4ev/drivers/drv_eth.c
+++ b/bsp/zynqmp-r5-axu4ev/drivers/drv_eth.c
@@ -344,4 +344,4 @@ static int rt_hw_zynqmp_eth_init(void)
 
     return state;
 }
-INIT_DEVICE_EXPORT(rt_hw_zynqmp_eth_init);
\ No newline at end of file
+INIT_DEVICE_EXPORT(rt_hw_zynqmp_eth_init);
diff --git a/bsp/zynqmp-r5-axu4ev/drivers/drv_sdcard.c b/bsp/zynqmp-r5-axu4ev/drivers/drv_sdcard.c
index 5c2e72ce29d9067bd5a69f1104029ddd2b7cee0f..155b7da552cba70be64c0c73b339a33b5ce0605c 100644
--- a/bsp/zynqmp-r5-axu4ev/drivers/drv_sdcard.c
+++ b/bsp/zynqmp-r5-axu4ev/drivers/drv_sdcard.c
@@ -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
  *
@@ -469,4 +469,4 @@ static int rh_hw_emmc_init(void)
     return -RT_ERROR;
 }
 INIT_DEVICE_EXPORT(rh_hw_emmc_init);
-#endif
\ No newline at end of file
+#endif
diff --git a/bsp/zynqmp-r5-axu4ev/drivers/drv_timer.c b/bsp/zynqmp-r5-axu4ev/drivers/drv_timer.c
index cf59954d4bd666b9654adf841f4e26c8cf246108..f38e7f294a6fb060903da51aa4a1e42fa6472798 100644
--- a/bsp/zynqmp-r5-axu4ev/drivers/drv_timer.c
+++ b/bsp/zynqmp-r5-axu4ev/drivers/drv_timer.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -62,4 +62,4 @@ static int rt_hw_timer_init(void)
 
     return RT_EOK;
 }
-INIT_BOARD_EXPORT(rt_hw_timer_init);
\ No newline at end of file
+INIT_BOARD_EXPORT(rt_hw_timer_init);
diff --git a/bsp/zynqmp-r5-axu4ev/drivers/drv_timer.h b/bsp/zynqmp-r5-axu4ev/drivers/drv_timer.h
index f759faf081c402a9be9c23eee4233c2912bc08e1..3a5d0b777438faf06925ad3332dadf96ccdfe8da 100644
--- a/bsp/zynqmp-r5-axu4ev/drivers/drv_timer.h
+++ b/bsp/zynqmp-r5-axu4ev/drivers/drv_timer.h
@@ -45,4 +45,4 @@ extern "C" {
 }
 #endif
 
-#endif
\ No newline at end of file
+#endif
diff --git a/bsp/zynqmp-r5-axu4ev/drivers/drv_uart.c b/bsp/zynqmp-r5-axu4ev/drivers/drv_uart.c
index 84656bcc467731b161174769027fca65563f8eec..383ae62f328e28160657bcb3dcb3afc01139298e 100644
--- a/bsp/zynqmp-r5-axu4ev/drivers/drv_uart.c
+++ b/bsp/zynqmp-r5-axu4ev/drivers/drv_uart.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -315,4 +315,4 @@ int rt_hw_uart_init(void)
 
     return RT_EOK;
 }
-INIT_BOARD_EXPORT(rt_hw_uart_init);
\ No newline at end of file
+INIT_BOARD_EXPORT(rt_hw_uart_init);