diff --git a/.ua/backlog.json b/.ua/backlog.json
index d301c8f..4af5989 100644
--- a/.ua/backlog.json
+++ b/.ua/backlog.json
@@ -1523,7 +1523,7 @@
       "motivation": "0-100 的滑块看不出档位含义，用户只能看右侧数字猜；调用方要在轨道下标 0/50/100 得自己量宽度算百分比",
       "acceptance": "slider 新增 marks（value/label），按 min-max 换算百分比绝对定位、随宽度自适应；轨道包一层不影响右侧数值；刻度 aria-hidden；文档与演示同步；npm run check 全绿",
       "notes": "自补：既有组件可用性细节",
-      "status": "open"
+      "status": "done"
     }
   ]
 }
diff --git a/.ua/iterations.log b/.ua/iterations.log
index 491beb9..1777ecd 100644
--- a/.ua/iterations.log
+++ b/.ua/iterations.log
@@ -189,3 +189,4 @@
 {"ts":"2026-10-26T15:37:34+08:00","id":"g142","result":"done","commit":"5af2139","summary":"space 新增 split：只在 2 个以上子元素间插分隔符，aria-hidden + 弱化色 + 不可选中"}
 {"ts":"2026-10-26T15:38:51+08:00","id":"g143","result":"done","commit":"3058da1","summary":"tabs 新增 extra 右侧操作区：与页签同一行共用分隔线，不传时 DOM 结构不变"}
 {"ts":"2026-10-26T15:40:02+08:00","id":"g144","result":"done","commit":"1009c89","summary":"新增 avatarGroup（叠放 + max 折叠 +N，整组 title 列全部姓名，+N 补可访问名），组件 66→67"}
+{"ts":"2026-10-26T15:41:22+08:00","id":"g145","result":"done","commit":"af09500","summary":"slider 新增 marks：按 min-max 换算百分比绝对定位在轨道下方，aria-hidden 纯装饰，轨道包一层不影响右侧数值"}