diff --git a/web/src/features/channel/MobileDrawer.tsx b/web/src/features/channel/MobileDrawer.tsx
index 1dfe79f..f1bd0dc 100644
--- a/web/src/features/channel/MobileDrawer.tsx
+++ b/web/src/features/channel/MobileDrawer.tsx
@@ -8,7 +8,6 @@ import styles from './MobileDrawer.module.css';
 
 interface Props {
   rail: { id?: string; onCreate: () => void; onJoin: () => void };
-  onSettings: () => void;
   /** 频道列表(ThreadSidebar),由 Workspace 组装 */
   threads: React.ReactNode;
   onFiles: () => void;
@@ -25,13 +24,13 @@ function Row({ icon, label, count, onClick }: { icon: IconName; label: string; c
 }
 
 /** 手机侧边栏:空间、频道、本频道的文件与成员;账号与外观在底部 */
-export function MobileDrawer({ rail, onSettings, threads, onFiles, onMembers, onInvite, onShare, onHome }: Props) {
+export function MobileDrawer({ rail, threads, onFiles, onMembers, onInvite, onShare, onHome }: Props) {
   const used = useWorkspace((s) => s.channel?.membersUsed);
   const max = useWorkspace((s) => s.channel?.maxMembers);
   const spaces = useChannels((s) => s.list.length);
   return <>
     <SpaceRail {...rail} />
-    <SpaceHeader onSettings={onSettings} />
+    <SpaceHeader />
     <div className={styles.scroll}>
       {threads}
       <nav className={styles.section} aria-label="本频道">
diff --git a/web/src/features/channel/SpaceRail.module.css b/web/src/features/channel/SpaceRail.module.css
index e51bec7..c9117ea 100644
--- a/web/src/features/channel/SpaceRail.module.css
+++ b/web/src/features/channel/SpaceRail.module.css
@@ -54,17 +54,8 @@
   width: 100%;
   min-height: var(--bar-h);
   padding: 0 var(--space-4);
-  border: 0;
   border-bottom: 1px solid var(--line);
-  background: transparent;
   color: var(--text);
-  font: inherit;
-  text-align: left;
-  cursor: pointer;
-}
-
-.header:hover {
-  background: var(--accent-soft);
 }
 
 .header strong {
diff --git a/web/src/features/channel/SpaceRail.tsx b/web/src/features/channel/SpaceRail.tsx
index c3c8f78..1e425ca 100644
--- a/web/src/features/channel/SpaceRail.tsx
+++ b/web/src/features/channel/SpaceRail.tsx
@@ -24,13 +24,12 @@ export function SpaceRail({ id, onCreate, onJoin }: RailProps) {
   </nav>;
 }
 
-/** 频道列表顶部:空间名与加密状态,点击打开空间设置 */
-export function SpaceHeader({ onSettings }: { onSettings: () => void }) {
+/** 频道列表顶部:空间名与加密状态。空间设置入口在顶栏 */
+export function SpaceHeader() {
   const channel = useWorkspace((s) => s.channel);
   const name = channel?.name || `${channel?.id.slice(0, 8) ?? ''}…`;
-  return <button type="button" className={styles.header} aria-label={`${name} 空间设置`} onClick={onSettings}>
+  return <div className={styles.header}>
     {channel?.mode === 'raw' ? <span className={styles.raw}>明文</span> : <Icon name="lock" size={14} />}
     <strong>{name}</strong>
-    <Icon name="settings" size={16} />
-  </button>;
+  </div>;
 }
diff --git a/web/src/features/channel/Workspace.tsx b/web/src/features/channel/Workspace.tsx
index 338a681..2e67d95 100644
--- a/web/src/features/channel/Workspace.tsx
+++ b/web/src/features/channel/Workspace.tsx
@@ -128,7 +128,7 @@ export function Workspace({ onCreateChannel }: { onCreateChannel: () => void })
   const threadSidebar = <ThreadSidebar threads={threads} groups={groups} selectedThreadId={activeThreadId} enabled={Boolean(channel?.canManageStructure)} owner={channel?.role === 'owner'} onHistory={setChannelHistory}
     onSelectThread={(id) => { selectThread(id); setDrawerOpen(false); setMobileView('chat'); }} onCreateThread={createThread} onRenameThread={renameThread}
     onCreateGroup={createGroup} onRenameGroup={renameGroup} onGroupThread={groupThread} />;
-  const navigation = <><SpaceHeader onSettings={() => setSettingsOpen(true)} />{threadSidebar}{desktop ? <Notepad /> : null}</>;
+  const navigation = <><SpaceHeader />{threadSidebar}{desktop ? <Notepad /> : null}</>;
   const chat = <ChatPane threadName={activeThread?.name ?? '选择频道'} ids={messages} enabled={enabled} onSend={(text) => sendText(text, activeThreadId)} onDelete={deleteItem} onOpenFile={setPreviewId} onFiles={requestFiles} />;
   const explorer = <>
     <FilterBar filter={filter} searchOpen={searchOpen} onChange={setFilter} />
@@ -161,7 +161,7 @@ export function Workspace({ onCreateChannel }: { onCreateChannel: () => void })
     {/* 弹层打开时抽屉留在下面:同时关抽屉(history.back)会把刚压入的弹层历史一并弹掉 */}
     {!desktop && drawerOpen ? <Drawer label="侧边栏" onClose={() => setDrawerOpen(false)}>
       <MobileDrawer rail={{ id: channel?.id, onCreate: onCreateChannel, onJoin: () => setScanOpen(true) }}
-        onSettings={() => setSettingsOpen(true)} threads={threadSidebar} onFiles={() => goMobile('files')} onMembers={() => goMobile('members')}
+        threads={threadSidebar} onFiles={() => goMobile('files')} onMembers={() => goMobile('members')}
         onInvite={owner ? () => setInviteOpen(true) : undefined} onShare={() => setPanelOpen(true)} onHome={() => navigate('/')} />
     </Drawer> : null}
     {!desktop && moreOpen ? <Sheet title="更多" onClose={() => setMoreOpen(false)}>{moreRows.map((row) => <Button key={row.label} variant="ghost" onClick={() => { setMoreOpen(false); row.run(); }}><Icon name={row.icon} size={18} />{row.label}</Button>)}</Sheet> : null}