diff --git a/packages/ui/src/components/ActivityRail.tsx b/packages/ui/src/components/ActivityRail.tsx
index 633281d..af4f78d 100644
--- a/packages/ui/src/components/ActivityRail.tsx
+++ b/packages/ui/src/components/ActivityRail.tsx
@@ -7,7 +7,6 @@ import { useWorkspace } from "../workspaceStore";
 import { ContextMenu, cx, type MenuItem } from "./common";
 import { EnvBadge } from "./EnvBadge";
 import { Icon, type IconName } from "./icons";
-import { Logo } from "./Logo";
 
 export function ActivityRail() {
   const view = useWorkspace((s) => s.view);
@@ -159,7 +158,7 @@ export function ActivityRail() {
       className="ops-panel flex w-14 shrink-0 flex-col items-center gap-1 py-2"
       style={{ borderRight: "1px solid var(--border)" }}
     >
-      {/* 空间切换（本地 / 个人 / 团队组织） */}
+      {/* 空间切换（本地 / 个人 / 团队组织）；徽标统一用彩色首字标，与顶栏品牌 Logo 区分 */}
       <button
         className="rail-space"
         title={`当前空间：${spaceName}\n点击切换本地 / 个人 / 团队`}
@@ -168,7 +167,11 @@ export function ActivityRail() {
           setSpaceMenu((m) => (m ? null : { x: rect.right + 4, y: rect.top }));
         }}
       >
-        {activeSpace ? <EnvBadge envId={String(activeSpace.id)} name={spaceName} size={26} /> : <Logo size={26} />}
+        <EnvBadge
+          envId={activeSpace ? String(activeSpace.id) : "local"}
+          name={spaceName}
+          size={26}
+        />
         <Icon name="chevron-down" size={10} className="ops-faint" />
       </button>