diff --git a/web/src/components/layout/workspace-account-menu.tsx b/web/src/components/layout/workspace-account-menu.tsx
index 519bb2c41..7fde32795 100644
--- a/web/src/components/layout/workspace-account-menu.tsx
+++ b/web/src/components/layout/workspace-account-menu.tsx
@@ -72,7 +72,7 @@ export function WorkspaceAccountMenu() {
                 </div>
             )}
         >
-            <button type="button" className="app-workspace-topbar-icon-button" aria-label="账户菜单" title={user.displayName || user.username}>
+            <button type="button" className="app-workspace-topbar-icon-button app-workspace-account-trigger" aria-label="账户菜单" title={user.displayName || user.username}>
                 <UserAvatar user={user} className="size-6" />
             </button>
         </Popover>
diff --git a/web/src/styles/globals.css b/web/src/styles/globals.css
index 457ff71b3..a547f3e21 100644
--- a/web/src/styles/globals.css
+++ b/web/src/styles/globals.css
@@ -1381,6 +1381,11 @@
         stroke-width: 1.8;
     }
 
+    /* 账户触发按钮为身份标识，占位图标默认不弱化（与其他工具图标区分） */
+    .app-workspace-account-trigger > span > svg {
+        color: var(--foreground);
+    }
+
     .app-workspace-topbar-icon-button:hover {
         background: var(--surface-hover);
         color: var(--foreground);