feat(web): show a skeleton while a space loads
Draw the page frame instead of a blank screen, fade it in only after 300ms, and surface load errors with retry and back-to-home actions.
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@@ -41,7 +41,8 @@ export function App() {
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const setPendingLink = useChannels((s) => s.setPendingLink);
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const sharesHydrated = useShares((s) => s.hydrated);
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const pendingShareLink = useShares((s) => s.pendingLink);
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const wsReady = useWorkspace((s) => s.ready);
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// 加载失败也算「结束」:让骨架屏上的错误与重试露出来,而不是被启动动画盖住
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const wsReady = useWorkspace((s) => s.ready || s.error !== null);
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const [splash, setSplash] = useState(() => !splashSeen());
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const saved = route.name === 'channel' && list.some((c) => c.id === route.id);
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@@ -2,16 +2,19 @@ import { useEffect, useState } from 'react';
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import { Workspace } from '@/features/channel/Workspace';
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import { useWorkspace } from '@/store/workspace';
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import { CreateSheet } from '@/features/home/CreateSheet';
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import { ChannelSkeleton } from './ChannelSkeleton';
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import { channelPath, navigate } from './navigation';
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/** 打开(订阅)空间,数据就绪后显示暂存区 */
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export function ChannelScreen({ id }: { id: string }) {
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const open = useWorkspace((s) => s.open);
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const ready = useWorkspace((s) => s.ready);
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const error = useWorkspace((s) => s.error);
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const [creating, setCreating] = useState(false);
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const [attempt, setAttempt] = useState(0);
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useEffect(() => open(id), [open, id]);
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useEffect(() => open(id), [open, id, attempt]);
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return ready ? <><Workspace onCreateChannel={() => setCreating(true)} />
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{creating ? <CreateSheet onClose={() => setCreating(false)} onCreated={(channel) => { setCreating(false); navigate(channelPath(channel.id)); }} /> : null}</> : null;
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return !ready ? <ChannelSkeleton error={error ?? undefined} onRetry={() => setAttempt((n) => n + 1)} onHome={() => navigate('/')} /> : <><Workspace onCreateChannel={() => setCreating(true)} />
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{creating ? <CreateSheet onClose={() => setCreating(false)} onCreated={(channel) => { setCreating(false); navigate(channelPath(channel.id)); }} /> : null}</>;
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}
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@@ -0,0 +1,154 @@
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.page {
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display: grid;
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grid-template-columns: minmax(0, 1fr);
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grid-template-rows: var(--bar-h) minmax(0, 1fr);
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height: 100vh;
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height: 100dvh;
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background: var(--bg);
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animation: skeleton-appear 0.2s ease-out 0.3s backwards;
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}
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.bar {
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display: flex;
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align-items: center;
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padding: 0 var(--space-4);
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border-bottom: 1px solid var(--line);
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grid-column: 1 / -1;
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}
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.block {
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display: block;
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height: 12px;
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border-radius: var(--radius-sm);
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background: var(--surface-2);
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animation: skeleton-pulse 1.4s ease-in-out infinite;
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}
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.title {
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width: 120px;
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height: 16px;
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}
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.rail,
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.nav,
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.files {
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display: none;
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}
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.chat {
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display: flex;
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flex-direction: column;
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gap: var(--space-4);
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min-width: 0;
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padding: var(--space-4) var(--space-3);
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background: var(--surface);
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}
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.message {
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display: flex;
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gap: var(--space-3);
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}
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.avatar {
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flex: 0 0 32px;
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width: 32px;
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height: 32px;
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border-radius: var(--radius-avatar);
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}
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.lines {
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display: flex;
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flex: 1;
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flex-direction: column;
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gap: var(--space-2);
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min-width: 0;
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padding-top: var(--space-1);
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}
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.name {
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width: 96px;
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}
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.composer {
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height: 44px;
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margin-top: auto;
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border-radius: var(--radius-lg);
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animation: none;
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}
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.error {
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position: fixed;
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inset: 0;
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z-index: 5;
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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gap: var(--space-4);
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padding: var(--space-6);
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background: var(--bg);
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text-align: center;
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}
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.error p {
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margin: 0;
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color: var(--danger);
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}
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.error div {
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display: flex;
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gap: var(--space-2);
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}
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@media (width >= 900px) and (height >= 500px) {
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.page {
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grid-template-columns: 64px 240px minmax(260px, 1fr) clamp(320px, 36%, 560px);
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}
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.rail,
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.nav,
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.files {
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display: flex;
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flex-direction: column;
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gap: var(--space-3);
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padding: var(--space-4);
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}
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.rail {
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align-items: center;
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padding-inline: 0;
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}
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.tile {
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width: 44px;
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height: 44px;
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border-radius: var(--radius-lg);
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}
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.nav {
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border-right: 1px solid var(--line);
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}
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.files {
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border-left: 1px solid var(--line);
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}
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}
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@keyframes skeleton-appear {
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from {
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opacity: 0;
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}
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}
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@keyframes skeleton-pulse {
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50% {
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opacity: 0.5;
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}
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}
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@media (prefers-reduced-motion: reduce) {
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.page,
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.block {
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animation: none;
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}
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}
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@@ -0,0 +1,31 @@
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import { useEffect } from 'react';
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import { Button } from '@/ui/Button';
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import styles from './ChannelSkeleton.module.css';
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const ROWS = [72, 48, 88, 36, 64];
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/** 频道加载中:先画出页面框架(Apple HIG「别留白屏」),内容到了再替换。超过约 300ms 才可见,避免快的时候闪一下 */
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export function ChannelSkeleton({ error, onRetry, onHome }: { error?: string; onRetry: () => void; onHome: () => void }) {
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// 与手机聊天页一致:账号入口不浮在骨架屏上
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useEffect(() => {
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document.documentElement.dataset.chatShell = '';
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return () => { delete document.documentElement.dataset.chatShell; };
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}, []);
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return <div className={styles.page} role="status" aria-label={error ? '频道加载失败' : '正在加载频道'} aria-busy={!error}>
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<header className={styles.bar}><span className={`${styles.block} ${styles.title}`} /></header>
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<aside className={styles.rail}><span className={`${styles.block} ${styles.tile}`} /></aside>
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<aside className={styles.nav}>{[56, 40, 48].map((w) => <span key={w} className={styles.block} style={{ width: `${w}%` }} />)}</aside>
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<main className={styles.chat}>
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{ROWS.map((w, i) => <div key={i} className={styles.message}>
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<span className={`${styles.block} ${styles.avatar}`} />
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<div className={styles.lines}><span className={`${styles.block} ${styles.name}`} /><span className={styles.block} style={{ width: `${w}%` }} /></div>
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</div>)}
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<div className={`${styles.block} ${styles.composer}`} />
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</main>
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<aside className={styles.files}>{[80, 60, 70, 50].map((w) => <span key={w} className={styles.block} style={{ width: `${w}%` }} />)}</aside>
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{error ? <div className={styles.error} role="alert">
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<p>频道没能加载：{error}</p>
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<div><Button variant="primary" onClick={onRetry}>重试</Button><Button variant="ghost" onClick={onHome}>回到首页</Button></div>
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</div> : null}
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</div>;
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}
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