diff --git a/bsp/stm32/libraries/HAL_Drivers/drv_can.h b/bsp/stm32/libraries/HAL_Drivers/drv_can.h
index 7cde5d3882bd94aa52ecf42f0f86d8bfa68d77e3..ba28e6c84673d188728961eba33aadee10e9c6f8 100644
--- a/bsp/stm32/libraries/HAL_Drivers/drv_can.h
+++ b/bsp/stm32/libraries/HAL_Drivers/drv_can.h
@@ -10,8 +10,8 @@
  * 2019-01-26     YLZ          redefine `struct stm32_drv_can` add member `Rx1Message`
  * 2019-02-19     YLZ          port to BSP [stm32]
  */
-#ifndef __CAN_H__
-#define __CAN_H__
+#ifndef __DRV_CAN_H__
+#define __DRV_CAN_H__
 #include "board.h"
 #include <rtdevice.h>
 #include <rthw.h>
@@ -49,4 +49,4 @@ extern int rt_hw_can_init(void);
 #ifdef __cplusplus
  }
 #endif
-#endif /*__CAN_H__ */
+#endif /*__DRV_CAN_H__ */
diff --git a/bsp/stm32/stm32f103-fire-arbitrary/README.md b/bsp/stm32/stm32f103-fire-arbitrary/README.md
index 1818da16f10b0d3ade52360a8fcad4baf318049b..e5f91b812fdc4f5fa5c3bf36b4176abe9610a152 100644
--- a/bsp/stm32/stm32f103-fire-arbitrary/README.md
+++ b/bsp/stm32/stm32f103-fire-arbitrary/README.md
@@ -45,7 +45,7 @@
 | 以太网       |     支持     | W5500                                 |
 | 电位器       |     支持     | 使用 ADC1                              |
 | SD卡         |   即将支持   |                                       |
-| CAN          |   即将支持   |                                       |
+| CAN          |     支持     |                                       |
 | SDRAM        |   即将支持   |                                       |
 | WIFI ESP8266 |   即将支持   |                                       |
 | **片上外设** | **支持情况** | **备注**                              |
diff --git a/bsp/stm32/stm32f103-fire-arbitrary/board/Kconfig b/bsp/stm32/stm32f103-fire-arbitrary/board/Kconfig
index cf165a195689a3c19536f62041ddf39cf989d60d..69e15c202f978c0ac1f21f6a5ce4008b1feb2ad3 100644
--- a/bsp/stm32/stm32f103-fire-arbitrary/board/Kconfig
+++ b/bsp/stm32/stm32f103-fire-arbitrary/board/Kconfig
@@ -275,9 +275,7 @@ menu "On-chip Peripheral Drivers"
             config BSP_USING_CAN1
                 bool "using CAN1"
                 default n
-        endif
-		
-        if BSP_USING_CAN
+
             config BSP_USING_CAN2
                 bool "using CAN2"
                 default n