diff --git a/static/public/css/theme.css b/static/public/css/theme.css
index 5a30d4f..be578fa 100644
--- a/static/public/css/theme.css
+++ b/static/public/css/theme.css
@@ -365,12 +365,11 @@ input[type="button"]:disabled {
     font-weight: 600;
 }
 
-/* ===== User Panel (dnfs 左边中间用户信息，镜像 minimap 样式) ===== */
+/* ===== User Panel (dnfs 左上角用户信息，镜像 minimap 样式) ===== */
 .userpanel {
     position: fixed;
     left: 1rem;
-    top: 50%;
-    transform: translateY(-50%);
+    top: 1rem;
     z-index: 100;
     display: flex;
     flex-direction: column;
diff --git a/static/public/js/dnfs.js b/static/public/js/dnfs.js
index 25a2207..1282fe6 100644
--- a/static/public/js/dnfs.js
+++ b/static/public/js/dnfs.js
@@ -656,7 +656,7 @@ function loadMap(children_json) {
     }
 }
 
-/* by qing — 用户信息面板：左边中间，默认折叠；展示用户名 / 角色 / 退出登录。
+/* by qing — 用户信息面板：左上角，默认折叠；展示用户名 / 角色 / 退出登录。
  * 身份来自 dnfs /whoami（HttpOnly Cookie 模式下 JS 无法读 Token，由后端解 payload 返回） */
 var userpanel = document.getElementById("userpanel");
 var userpanel_expand = window.innerWidth >= PANEL_EXPAND_MIN_WIDTH;	// 与 minimap 同策略：窄屏默认折叠