diff --git a/bsp/stm32/stm32f427-robomaster-a/README.md b/bsp/stm32/stm32f427-robomaster-a/README.md
index c9e0e62712..2ef183b882 100644
--- a/bsp/stm32/stm32f427-robomaster-a/README.md
+++ b/bsp/stm32/stm32f427-robomaster-a/README.md
@@ -22,7 +22,7 @@ RoboMaster开发板套件是一款面向机器人DIY的开源主控套件。开
 
 该开发板常用 **板载资源** 如下：
 
-- MCU：STM32f427IIH6，主频 180MHz，128KB FLASH ，2048KB RAM
+- MCU：STM32f427IIH6，主频 180MHz，2048KB FLASH ，128KB RAM
 - 常用外设
   - LED：2个，D10（红色，PE11），D9（绿色，PE14）
   - 按键：1个，KEY（PB2）
@@ -86,8 +86,8 @@ RoboMaster开发板套件是一款面向机器人DIY的开源主控套件。开
 ```bash
  \ | /
 - RT -     Thread Operating System
- / | \     3.1.1 build Nov 19 2018
- 2006 - 2018 Copyright by rt-thread team
+ / | \     4.0.2 build Sep  1 2019
+ 2006 - 2019 Copyright by rt-thread team
 msh >
 ```
 ### 进阶使用
@@ -111,4 +111,4 @@ msh >
 ## 联系人信息
 
 维护人:
-		无
+- [a1012112796](https://github.com/a1012112796)
\ No newline at end of file
diff --git a/bsp/stm32/stm32f427-robomaster-a/applications/SConscript b/bsp/stm32/stm32f427-robomaster-a/applications/SConscript
index 6f66f7ab73..c25223940b 100644
--- a/bsp/stm32/stm32f427-robomaster-a/applications/SConscript
+++ b/bsp/stm32/stm32f427-robomaster-a/applications/SConscript
@@ -2,7 +2,7 @@ import rtconfig
 from building import *
 
 cwd     = GetCurrentDir()
-CPPPATH = [cwd, str(Dir('#'))]
+CPPPATH = [cwd]
 src     = Split("""
 main.c
 """)
diff --git a/bsp/stm32/stm32f427-robomaster-a/board/Kconfig b/bsp/stm32/stm32f427-robomaster-a/board/Kconfig
index cb4352bf88..42745922e0 100644
--- a/bsp/stm32/stm32f427-robomaster-a/board/Kconfig
+++ b/bsp/stm32/stm32f427-robomaster-a/board/Kconfig
@@ -28,18 +28,18 @@ menu "On-chip Peripheral Drivers"
                 bool "Enable UART6 RX DMA"
                 depends on BSP_USING_UART6 && RT_SERIAL_USING_DMA
                 default n
-			
-			config BSP_USING_UART3
+
+            config BSP_USING_UART3
                 bool "Enable UART3"
-                default y
+                default n
 
             config BSP_UART3_RX_USING_DMA
                 bool "Enable UART3 RX DMA"
                 depends on BSP_USING_UART3 && RT_SERIAL_USING_DMA
                 default n
         endif
-		
-		menuconfig BSP_USING_CAN
+
+        menuconfig BSP_USING_CAN
         bool "Enable CAN"
         default n
         select RT_USING_CAN
@@ -47,17 +47,16 @@ menu "On-chip Peripheral Drivers"
             config BSP_USING_CAN1
                 bool "using CAN1"
                 default n
-			config BSP_USING_CAN2
+            config BSP_USING_CAN2
                 bool "using CAN2"
                 default n
         endif
-		
+
     source "../libraries/HAL_Drivers/Kconfig"    
-    
+
 endmenu
 
 menu "Board extended module Drivers"
 
 endmenu
- 
 endmenu
diff --git a/bsp/stm32/stm32f427-robomaster-a/figures/board.png b/bsp/stm32/stm32f427-robomaster-a/figures/board.png
index 55bf853bb2..aadd8fce26 100644
Binary files a/bsp/stm32/stm32f427-robomaster-a/figures/board.png and b/bsp/stm32/stm32f427-robomaster-a/figures/board.png differ