diff --git a/doc/23.CMSIS_RTOS_API_Use_Guide.md b/doc/23.CMSIS_RTOS_API_Use_Guide.md
index 334d474500344ceed2cc4965d742c8cda25fa8df..a2b8ff8b35e58569f62417d38e8127293a6db05e 100644
--- a/doc/23.CMSIS_RTOS_API_Use_Guide.md
+++ b/doc/23.CMSIS_RTOS_API_Use_Guide.md
@@ -11,7 +11,7 @@ CMSIS-RTOS是用于实时操作系统（RTOS）的一层通用API，它提供了
   - `cmsis_os2.c`
 
 CMSIS-RTOS API的整体架构如下图：
-![](https://img-blog.csdnimg.cn/20200717092428321.png)
+![](./image/CMSIS_RTOS_API_User_Guide/cmsis-rtos-api.png)
 CMSIS-RTOS API官方参考文档链接：[https://www.keil.com/pack/doc/CMSIS/RTOS/html/index.html](https://www.keil.com/pack/doc/CMSIS/RTOS/html/index.html/)
 
 # 2. CMSIS-RTOS API列表
diff --git a/doc/image/CMSIS_RTOS_API_User_Guide/cmsis-rtos-api.png b/doc/image/CMSIS_RTOS_API_User_Guide/cmsis-rtos-api.png
new file mode 100644
index 0000000000000000000000000000000000000000..520b5e14a159a57d4c823d95217cce614fa9dd38
Binary files /dev/null and b/doc/image/CMSIS_RTOS_API_User_Guide/cmsis-rtos-api.png differ