diff --git a/README.md b/README.md
index bdeeff8e..96cc6ddb 100644
--- a/README.md
+++ b/README.md
@@ -149,7 +149,7 @@ CosyOS的任务状态较传统RTOS划分更为详细，以便用户在使用任
 —————————— CosyOS-任务管理器 ——————————
 
 #### 线程优先级
-![线程优先级](images/thread_priority.png)<br>
+![XXX](images/thread_priority.png)<br>
 
 #### [开发流程](https://gitee.com/cosyos/cosyos/blob/master/%E5%BC%80%E5%8F%91%E6%B5%81%E7%A8%8B.md)
 
diff --git a/images/thread_priority.png b/images/thread_priority.png
new file mode 100644
index 00000000..57d30cd0
Binary files /dev/null and b/images/thread_priority.png differ