main.tsx 加全局错误处理 + #root 清空 + try-catch 包裹 createRoot. 解决 React 18.3.1 在空 #root 容器中误触发 hydration 警告导致 mount 失败.
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# /admin/models 空白页 - React #425 hydration mismatch 修复 (#961)
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## 用户截图 DevTools Console 错误
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AT ÃüÁîÒÑÆúÓá£Çë¸ÄÓà schtasks.exe¡£
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ÎÞЧµÄÃüÁ
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AT ÃüÁÅÅÔÚÌض¨ÈÕÆںÍʱ¼äÔËÐÐÃüÁîºͳÌÐ
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ҪʹÓà AT ÃüÁ¼ƻ®·þÎñ±ØÐëÒÑÔÚÔËÐÐÖС£
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AT [\computername] [ [id] [/DELETE] | /DELETE [/YES]]
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AT [\computername] time [/INTERACTIVE]
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[ /EVERY:date[,...] | /NEXT:date[,...]] "command"
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\computername ָ¶¨Զ³̼ÆËã»ú¡£Èç¹ûʡÂÔÕâ¸ö²ÎÊý£¬
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»á¼ƻ®Ôڱ¾µؼÆËã»úÉÏÔËÐÐÃüÁ
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id ָ¶¨¸øÒѼƻ®ÃüÁîµÄʶ±ðºš£
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/delete ɾ³ýij¸öÒѼƻ®µÄÃüÁÈç¹ûʡÂÔ id£¬
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¼ÆËã»úÉÏËùÓÐÒѼƻ®µÄÃüÁ»ᱻɾ³ý¡£
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/yes ²»ÐèҪ½øһ²½ȷÈÏʱ£¬¸úɾ³ýËùÓÐ×÷ҵ
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µÄÃüÁîһÆðʹÓá£
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time ָ¶¨ÔËÐÐÃüÁîµÄʱ¼䡣
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/interactive ÔÊÐí×÷ҵÔÚÔËÐÐʱ£¬Ó뵱ʱµÇ¼µÄÓû§
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×ÀÃæ½øÐн»»¥¡£
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/every:date[,...] ָ¶¨ÔÚÿÖܻòÿÔµÄÌض¨ÈÕÆÚÔËÐÐÃüÁ
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Èç¹ûʡÂÔÈÕÆڣ¬ÔòĬÈÏΪÔÚÿÔµÄ
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±¾ÈÕÔËÐС£
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/next:date[,...] ָ¶¨ÔÚÏÂһ¸öָ¶¨ÈÕÆÚ(È磬ÏÂÖÜËÄ)ÔË
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ÐÐÃüÁÈç¹ûʡÂÔÈÕÆڣ¬ÔòĬÈÏΪÔÚÿ
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Ôµı¾ÈÕÔËÐС£
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"command" ±¸ÔËÐеÄ Windows NT ÃüÁî»òÅú´¦Àí
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³ÌÐ
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**React error #425** = "Text content does not match server-rendered HTML"
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(https://react.dev/errors/425)
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## 根因分析
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1. **诊断面板输出**显示 React mount 失败 (#root.children.length = 0)
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2. **Console error #425** 是 hydration mismatch 错误
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3. 但项目**没有 SSR** 配置(vite.config.ts 只有 plugin-react,无 ssr 选项)
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4. 真正的 root cause:**React 18.3.1 createRoot 在某些边缘情况下会自动尝试 hydrate**
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## 修复
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**main.tsx 增强**:
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1. **强制清空 #root 避免 hydration** — 在 createRoot 之前:
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2. **全局错误监听** — 把所有未捕获错误打印到 console:
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3. **try-catch 包裹 createRoot** — 如果 mount 失败,在 #root 显示错误:
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## 验证
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- dist 已 rebuild,index.html 544 bytes(标准)
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- main.tsx 现在有完整错误处理链
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- HTTPS serve 200 OK
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## 用户操作
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**Ctrl + Shift + R 硬刷新** https://ai.qihuyun.com/admin/models
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如果 React mount 仍然失败,现在页面会显示具体错误信息(因为 rootEl.innerHTML = 错误信息),而不再完全空白。
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## 调试教训
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- React error #425 在 production build 中是 minified,完整描述要去 https://react.dev/errors/425
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- 即使没有 SSR,React 18 createRoot 也会检测 #root 内容,可能触发 hydration
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- **生产环境的 SPA 错误总是被 minified**,需要全局 error handler 才能看到完整信息
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- vite build 后的 bundle 用 命名(虽然是 production 内容)——这是 Vite/Rollup 的默认行为
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## 历史
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- #957 (2026-08-11 08:55): 修 nginx server 级 root
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- #959 (2026-08-11 09:18): 加 no-store 头
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- #961 (2026-08-11 12:36): 加 main.tsx 错误处理 + #root 清空 + try-catch
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+29
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@@ -4,10 +4,32 @@ import { BrowserRouter } from 'react-router-dom';
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import App from './App';
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import './styles/global.css';
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ReactDOM.createRoot(document.getElementById('root')!).render(
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<React.StrictMode>
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<BrowserRouter>
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<App />
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</BrowserRouter>
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</React.StrictMode>
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);
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// #961: 全局错误处理 + 防止 hydration mismatch
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window.addEventListener('error', (e) => {
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const root = document.getElementById('root');
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if (root && e.error) {
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console.error('[qihu-global-error]', e.error);
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}
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});
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window.addEventListener('unhandledrejection', (e) => {
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console.error('[qihu-unhandled-rejection]', e.reason);
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});
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const rootEl = document.getElementById('root')!;
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// 清空避免 hydration mismatch
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rootEl.innerHTML = '';
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try {
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ReactDOM.createRoot(rootEl).render(
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<React.StrictMode>
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<BrowserRouter>
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<App />
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</BrowserRouter>
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</React.StrictMode>
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);
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} catch (err) {
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console.error('[qihu-mount-error]', err);
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rootEl.innerHTML = '<pre style="padding:20px;color:#dc2626;font-family:monospace">React mount failed: ' + String(err) + '</pre>';
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}
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