diff --git a/source/appendix/classroom_deployment.rst b/source/appendix/classroom_deployment.rst
index 933d259..f9f47d1 100644
--- a/source/appendix/classroom_deployment.rst
+++ b/source/appendix/classroom_deployment.rst
@@ -1,6 +1,5 @@
-=======================
 github classroom部署说明
-=======================
+^^^^^^^^^^^^^^^^^^^^^^^
 ## 1.使用github账号登录github classroom，然后给github classroom授权。接下来根据提示创建classroom和organization。
 
 .. image:: ../resources/classroom_deployment1.png