diff --git a/app/templates/attendance-teacher.html b/app/templates/attendance-teacher.html
index 82ac2b3..d8bc27f 100644
--- a/app/templates/attendance-teacher.html
+++ b/app/templates/attendance-teacher.html
@@ -138,6 +138,11 @@
             });
         }
 
+        function toggleDropdown(dropdown) {
+            $(dropdown).find('.dropdown-menu').toggle(); // 显示或隐藏下拉菜单
+        }
+
+
         // 初始加载第一页
         renderTable(1);
     });