diff --git a/packages/skin/ui/ui.css b/packages/skin/ui/ui.css
index 52a5b63..230a75b 100644
--- a/packages/skin/ui/ui.css
+++ b/packages/skin/ui/ui.css
@@ -4983,7 +4983,8 @@ h5.ua-type-title { font-size: var(--ua-font-size-md); }
 .ua-mentions-pop,
 .ua-treeselect-pop,
 .ua-vlist,
-.ua-cmdk-list {
+.ua-cmdk-list,
+.ua-timepicker-col {
   scrollbar-width: thin; /* 标准属性：Firefox / Chromium 121+ 生效，细条不挤内容 */
   scrollbar-color: var(--ua-color-scrollbar) transparent; /* 拇指走令牌、轨道透明，避免画出方块底 */
 }