diff --git a/college/static/src/scss/hide_about_edit.scss b/college/static/src/scss/hide_about_edit.scss
index c98be3f..4032cbb 100644
--- a/college/static/src/scss/hide_about_edit.scss
+++ b/college/static/src/scss/hide_about_edit.scss
@@ -1,7 +1,7 @@
 // 关于页（yuthon.about.page）为只读展示页：
 // form 视图已设 edit="false"，但教师组有该模型写权限时控制面板仍会渲染「编辑」按钮，
-// 这里用 js_class + CSS 精准隐藏该视图控制面板里的编辑按钮，不影响其他表单。
-.o_view_controller.yuthon_about_form .o_control_panel .o_form_button_edit,
-.o_view_controller.yuthon_about_form .o_control_panel button[data-hotkey="e"] {
+// 这里用 CSS :has() 精准隐藏该视图控制面板里的编辑按钮，不影响其他表单。
+.o_view_controller:has(.o_form_view.o_about_full_form) .o_control_panel .o_form_button_edit,
+.o_view_controller:has(.o_form_view.o_about_full_form) .o_control_panel button[data-hotkey="e"] {
     display: none !important;
 }
diff --git a/college/views/about_page_views.xml b/college/views/about_page_views.xml
index e170676..56f2d1e 100644
--- a/college/views/about_page_views.xml
+++ b/college/views/about_page_views.xml
@@ -8,7 +8,7 @@
         <field name="model">yuthon.about.page</field>
         <field name="arch" type="xml">
             <!-- create/edit 关掉：关于页内容由代码预置维护，页面右上角不再显示「创建/编辑」按钮 -->
-            <form class="o_about_full_form" create="false" edit="false" js_class="yuthon_about_form">
+            <form class="o_about_full_form" create="false" edit="false">
                 <field name="content" widget="html" readonly="1" class="o_about_full"/>
             </form>
         </field>