diff --git a/static/style.css b/static/style.css
index 46be01c..ef3cc26 100644
--- a/static/style.css
+++ b/static/style.css
@@ -1799,3 +1799,7 @@ body {
 #panel-daily.editing-study .study-card-del:hover { background:var(--danger); color:#FFF; }
 .edit-only-study { display: none; }
 #panel-daily.editing-study .edit-only-study { display: flex; }
+
+/* 编辑模式下显示删除按钮 */
+.btn-del { display: none; }
+.card.editing .btn-del { display: inline-flex; }