diff --git a/docs/source/features/mica/developer_guides/rtos.rst b/docs/source/features/mica/developer_guides/rtos.rst
index 4ce9afd4b1632e231cdb9c69efa684309feb02a3..0f9a295b62360608bb7f6f067b475adb357b271f 100644
--- a/docs/source/features/mica/developer_guides/rtos.rst
+++ b/docs/source/features/mica/developer_guides/rtos.rst
@@ -264,7 +264,7 @@ OpenAMP的初始化
 
 .. seealso::
 
-   `UniProton 的示例代码: <https://gitee.com/openeuler/UniProton/blob/master/demos/raspi4/apps/openamp/rpmsg_backend_rsc_table.c>`_。
+   `UniProton 的示例代码: <https://gitee.com/openeuler/UniProton/blob/master/src/component/mica/rpmsg_backend_rsc_table.c>`_。
 
 另外，为了避免中断时间过长，影响实时性，可以考虑将 `rproc_virtio_notified` 放到线程中执行，在中断流程仅做线程的唤醒：