diff --git a/packages/ui-default/build/config/webpack.ts b/packages/ui-default/build/config/webpack.ts
index f4ede936d..0e7d38fe3 100644
--- a/packages/ui-default/build/config/webpack.ts
+++ b/packages/ui-default/build/config/webpack.ts
@@ -5,7 +5,6 @@ import CopyWebpackPlugin from 'copy-webpack-plugin';
 import { EsbuildPlugin } from 'esbuild-loader';
 import { DuplicatesPlugin } from 'inspectpack/plugin';
 import ExtractCssPlugin from 'mini-css-extract-plugin';
-import MonacoWebpackPlugin from 'monaco-editor-webpack-plugin';
 import { dirname } from 'path';
 import webpack from 'webpack';
 import { BundleAnalyzerPlugin } from 'webpack-bundle-analyzer';
@@ -14,17 +13,6 @@ import WebpackBar from 'webpackbar';
 import root from '../utils/root';
 
 export default function (env: { watch?: boolean, production?: boolean, measure?: boolean } = {}) {
-  function esbuildLoader() {
-    return {
-      loader: 'esbuild-loader',
-      options: {
-        loader: 'tsx',
-        target: 'es2015',
-        sourcemap: true,
-      },
-    };
-  }
-
   function cssLoader() {
     return {
       loader: 'css-loader',
@@ -97,10 +85,14 @@ export default function (env: { watch?: boolean, production?: boolean, measure?:
       chunkFilename: '[name].[chunkhash:6].chunk.js',
     },
     resolve: {
-      extensions: ['.js', '.jsx', '.ts', '.tsx', '.cjs'],
+      extensions: ['.js', '.jsx', '.ts', '.tsx'],
       alias: {
         vj: root(),
       },
+      fallback: {
+        url: require.resolve('url/'),
+        util: require.resolve('util/'),
+      },
     },
     module: {
       rules: [
@@ -153,14 +145,7 @@ export default function (env: { watch?: boolean, production?: boolean, measure?:
           },
         },
         {
-          test: /\.[mc]?[jt]sx?$/,
-          exclude: [/@types\//, /components\/message\//, /entry\.js/],
-          type: 'javascript/auto',
-          use: [esbuildLoader()],
-        },
-        {
-          test: /\.[mc]?[jt]sx?$/,
-          include: [/components\/message\//, /entry\.js/],
+          test: /\.m?(jsx|tsx|ts)?$/,
           type: 'javascript/auto',
           use: [{
             loader: 'ts-loader',
@@ -185,6 +170,7 @@ export default function (env: { watch?: boolean, production?: boolean, measure?:
     },
     optimization: {
       splitChunks: {
+        chunks: 'async',
         minSize: 256000,
         maxAsyncRequests: 5,
         maxInitialRequests: 3,
@@ -198,12 +184,15 @@ export default function (env: { watch?: boolean, production?: boolean, measure?:
             enforce: true,
           },
           vendors: {
-            test: /[\\/]node_modules[\\/].+\.([jt]sx?|json|yaml)$/,
+            test: /[\\/]node_modules[\\/].+\.([jt]sx?|json|yaml|txt|mp3|md)$/,
             priority: -10,
             name(module) {
               const packageName = module.context.replace(/\\/g, '/').split('node_modules/').pop().split('/')[0];
-              if (packageName === 'monaco-editor-nls') {
-                return `i.monaco.${module.userRequest.replace(/\\/g, '/').split('/').pop().split('.')[0]}`;
+              if (packageName.startsWith('@codingame')) {
+                const subName = module.context.replace(/\\/g, '/').split('node_modules/').pop().split('/')[1];
+                if (subName.startsWith('monaco-vscode-language-pack-')) {
+                  return `i.${subName.split('pack-').pop()}`;
+                }
               }
               return `n.${packageName.replace('@', '')}`;
             },
@@ -239,7 +228,6 @@ export default function (env: { watch?: boolean, production?: boolean, measure?:
         jQuery: 'jquery',
         'window.jQuery': 'jquery',
         React: 'react',
-        monaco: 'monaco-editor/esm/vs/editor/editor.api',
       }),
       new ExtractCssPlugin({
         filename: '[name].css?[fullhash:6]',
@@ -257,31 +245,26 @@ export default function (env: { watch?: boolean, production?: boolean, measure?:
           { from: `${dirname(require.resolve('monaco-themes/package.json'))}/themes`, to: 'monaco/themes/' },
         ],
       }),
-      sentryWebpackPlugin({
-        authToken: process.env.SENTRY_AUTH_TOKEN,
-        org: 'hydro-dev',
-        project: 'hydro-web',
-        url: 'https://sentry.hydro.ac',
-      }),
       new webpack.DefinePlugin({
         'process.env.VERSION': JSON.stringify(require('@hydrooj/ui-default/package.json').version),
       }),
       new webpack.optimize.MinChunkSizePlugin({
         minChunkSize: 128000,
       }),
-      new webpack.NormalModuleReplacementPlugin(/\/(vscode-)?nls\.js/, require.resolve('../../components/monaco/nls')),
+      new webpack.NormalModuleReplacementPlugin(/^node:/, (r) => { r.request = r.request.replace(/^node:/, ''); }),
       new webpack.NormalModuleReplacementPlugin(/^prettier[$/]/, root('../../modules/nop.ts')),
-      new MonacoWebpackPlugin({
-        filename: '[name].[hash:6].worker.js',
-        customLanguages: [{
-          label: 'yaml',
-          entry: require.resolve('monaco-yaml/index.js'),
-          worker: {
-            id: 'vs/language/yaml/yamlWorker',
-            entry: require.resolve('monaco-yaml/yaml.worker.js'),
-          },
-        }],
-      }),
+      new webpack.NormalModuleReplacementPlugin(
+        /@codingame\/monaco-vscode-(css|fsharp|html|groovy|scss|xml)-default-extension/,
+        root('../../modules/nop.ts'),
+      ),
+      ...(env.production ? [
+        sentryWebpackPlugin({
+          authToken: process.env.SENTRY_AUTH_TOKEN,
+          org: 'hydro-dev',
+          project: 'hydro-web',
+          url: 'https://sentry.hydro.ac',
+        }),
+      ] : []),
       ...env.measure ? [
         new BundleAnalyzerPlugin({ analyzerPort: 'auto' }),
         new DuplicatesPlugin(),
diff --git a/packages/ui-default/components/editor/index.ts b/packages/ui-default/components/editor/index.ts
index c7573ac1f..67263759e 100644
--- a/packages/ui-default/components/editor/index.ts
+++ b/packages/ui-default/components/editor/index.ts
@@ -1,4 +1,5 @@
 import $ from 'jquery';
+import type { editor } from 'monaco-editor';
 import { nanoid } from 'nanoid';
 import DOMAttachedObject from 'vj/components/DOMAttachedObject';
 import Notification from 'vj/components/notification';
@@ -49,8 +50,8 @@ type Options = MonacoOptions & VditorOptions;
 
 export default class Editor extends DOMAttachedObject {
   static DOMAttachKey = 'vjEditorInstance';
-  model: import('../monaco').default.editor.IModel;
-  editor: import('../monaco').default.editor.IStandaloneCodeEditor;
+  model: editor.IModel;
+  editor: editor.IStandaloneCodeEditor;
   vditor: import('vditor').default;
   isValid: boolean;
 
@@ -70,7 +71,7 @@ export default class Editor extends DOMAttachedObject {
       autoResize = true, autoLayout = true,
       hide = [], lineNumbers = 'on',
     } = this.options;
-    const { monaco, registerAction } = await load([language]);
+    const { monaco } = await load([language]);
     const { $dom } = this;
     const hasFocus = $dom.is(':focus') || $dom.hasClass('autofocus');
     const origin = $dom.get(0);
@@ -85,7 +86,7 @@ export default class Editor extends DOMAttachedObject {
       || monaco.editor.createModel(value, language === 'auto' ? undefined : language, monaco.Uri.parse(model))
       : model;
     if (!this.options.model) this.model.setValue(value);
-    const cfg: import('../monaco').default.editor.IStandaloneEditorConstructionOptions = {
+    const cfg: editor.IStandaloneEditorConstructionOptions = {
       theme,
       lineNumbers,
       glyphMargin: true,
@@ -146,7 +147,7 @@ export default class Editor extends DOMAttachedObject {
       }
       this.editor.deltaDecorations([], ranges.map((range) => ({ range, options: { inlineClassName: 'decoration-hide' } })));
     }
-    registerAction(this.editor, this.model, this.$dom);
+    // registerAction(this.editor, this.model, this.$dom);
     if (autoResize) {
       this.editor.onDidChangeModelDecorations(() => {
         updateEditorHeight(); // typing
diff --git a/packages/ui-default/components/monaco/index.ts b/packages/ui-default/components/monaco/index.ts
deleted file mode 100644
index b6a8204ab..000000000
--- a/packages/ui-default/components/monaco/index.ts
+++ /dev/null
@@ -1,176 +0,0 @@
-import './monaco.styl';
-
-import $ from 'jquery';
-import { EditorAction, registerEditorAction } from 'monaco-editor/esm/vs/editor/browser/editorExtensions';
-import * as monaco from 'monaco-editor/esm/vs/editor/editor.api';
-import { IQuickInputService } from 'monaco-editor/esm/vs/platform/quickinput/common/quickInput';
-import list from 'monaco-themes/themes/themelist.json';
-import { nanoid } from 'nanoid';
-import { i18n, request } from 'vj/utils';
-
-export default monaco;
-export const customOptions: monaco.editor.IStandaloneDiffEditorConstructionOptions = JSON.parse(localStorage.getItem('editor.config') || '{}');
-export function saveCustomOptions() {
-  localStorage.setItem('editor.config', JSON.stringify(customOptions));
-}
-
-const loaded = {};
-async function fetchTheme(id: string, label: string) {
-  if (loaded[id]) return;
-  const res = await fetch(`${UiContext.cdn_prefix}monaco/themes/${label}.json`);
-  const data = await res.json();
-  monaco.editor.defineTheme(id, data);
-  loaded[id] = true;
-}
-export const loadThemePromise = customOptions.theme
-  ? fetchTheme(customOptions.theme, list[customOptions.theme])
-  : Promise.resolve();
-
-// 这破烂 monaco 能不能给个 typings 啊
-// 我翻源码真的很累的好吧
-class ChangeThemeAction extends EditorAction {
-  constructor() {
-    super({
-      id: 'hydro.changeEditorTheme',
-      label: i18n('Change Theme'),
-      alias: 'Change Theme',
-    });
-  }
-
-  async run(accessor, editor: monaco.editor.IStandaloneCodeEditor) {
-    const items = Object.keys(list).map((key) => ({
-      label: list[key],
-      command: key,
-    }));
-    const quickInputService = accessor.get(IQuickInputService);
-    const oldTheme = (editor as any)._themeService._theme;
-    let focus = '';
-    const selected = await quickInputService.pick(items, {
-      canPickMany: false,
-      async onDidFocus(item) {
-        focus = item.command;
-        await fetchTheme(item.command, item.label);
-        if (focus === item.command) monaco.editor.setTheme(item.command);
-      },
-    });
-    if (!selected) {
-      const themeId = oldTheme.type ? `${oldTheme.base}-${oldTheme.type}` : oldTheme.id;
-      return monaco.editor.setTheme(themeId);
-    }
-    await fetchTheme(selected.command, selected.label);
-    customOptions.theme = selected.command;
-    saveCustomOptions();
-    return monaco.editor.setTheme(selected.command);
-  }
-}
-
-registerEditorAction(ChangeThemeAction);
-
-const pagename = document.documentElement.getAttribute('data-page');
-const isProblemPage = ['problem_create', 'problem_edit'].includes(pagename);
-const isProblemEdit = pagename === 'problem_edit';
-function handlePasteEvent(editor: monaco.editor.IStandaloneCodeEditor) {
-  window.addEventListener('paste', (ev: ClipboardEvent) => {
-    if (!editor.hasTextFocus()) return;
-    const selection = editor.getSelection();
-    const { items } = ev.clipboardData;
-    let wrapper = ['', ''];
-    let ext;
-    const matches = items[0].type.match(/^image\/(png|jpg|jpeg|gif)$/i);
-    if (matches) {
-      wrapper = ['![image](', ')'];
-      [, ext] = matches;
-    } else if (items[0].type === 'application/x-zip-compressed') {
-      wrapper = ['[file](', ')'];
-      ext = 'zip';
-    }
-    if (!ext) return;
-    ev.preventDefault();
-    ev.stopPropagation();
-    const filename = `${nanoid()}.${ext}`;
-    const data = new FormData();
-    data.append('filename', filename);
-    data.append('file', items[0].getAsFile());
-    data.append('operation', 'upload_file');
-    if (isProblemEdit) data.append('type', 'additional_file');
-    let range: monaco.Range = null;
-    editor.executeEdits('', [{
-      range: new monaco.Range(selection.endLineNumber, selection.endColumn, selection.endLineNumber, selection.endColumn),
-      text: `![image](${i18n('Preparing Upload...')}) `,
-    }], (inverseOp) => { range = inverseOp[0].range; return null; });
-    editor.setPosition(editor.getSelection().getEndPosition());
-
-    function updateText(text: string) {
-      const pos = editor.getSelection();
-      const rangeBefore = range;
-      editor.executeEdits('', [{ range, text: `${wrapper[0]}${text}${wrapper[1]} ` }], (inverseOp) => {
-        range = inverseOp[0].range;
-        if (pos.endLineNumber !== pos.startLineNumber || pos.endLineNumber !== range.endLineNumber) return null;
-        const delta = rangeBefore.endColumn - range.endColumn;
-        editor.setPosition(new monaco.Position(pos.endLineNumber, pos.endColumn - delta));
-        return null;
-      });
-    }
-    let progress = 0;
-    request.postFile(isProblemEdit ? './files' : '/file', data, {
-      xhr() {
-        const xhr = new XMLHttpRequest();
-        xhr.upload.addEventListener('loadstart', () => updateText(i18n('Uploading...')));
-        xhr.upload.addEventListener('progress', (e) => {
-          if (!e.lengthComputable) return;
-          const percentComplete = Math.round((e.loaded / e.total) * 100);
-          if (percentComplete === progress) return;
-          progress = percentComplete;
-          updateText(`${i18n('Uploading...')} ${percentComplete}%`);
-        }, false);
-        return xhr;
-      },
-    })
-      .then(() => updateText(`${isProblemPage ? 'file://' : `/file/${UserContext._id}/`}${filename}`))
-      .catch((e) => {
-        console.error(e);
-        updateText(`${i18n('Upload Failed')}: ${e.message}`);
-      });
-  }, { capture: true });
-}
-
-export function registerAction(
-  editor: monaco.editor.IStandaloneCodeEditor,
-  model: monaco.editor.IModel,
-  element?,
-) {
-  if (element) {
-    editor.addAction({
-      id: 'hydro.submitForm',
-      label: 'Submit',
-      keybindings: [
-        monaco.KeyMod.CtrlCmd | monaco.KeyCode.Enter,
-        monaco.KeyMod.WinCtrl | monaco.KeyCode.Enter,
-      ],
-      run: () => {
-        const form = $(element).closest('form');
-        if (form.find('[data-default-submit]').length) form.find('[data-default-submit]').click();
-        else form.submit();
-      },
-    });
-  }
-  editor.addCommand(monaco.KeyMod.CtrlCmd | monaco.KeyMod.Shift | monaco.KeyCode.KeyP, () => {
-    editor.getAction('editor.action.quickCommand').run();
-  });
-  editor.addCommand(monaco.KeyMod.Alt | monaco.KeyMod.Shift | monaco.KeyCode.KeyF, () => {
-    const action = editor.getAction('editor.action.format') || editor.getAction('editor.action.formatDocument');
-    if (action) action.run();
-  });
-  editor.onDidChangeConfiguration(() => {
-    const current = editor.getOption(monaco.editor.EditorOptions.fontSize.id);
-    customOptions.fontSize = current;
-    saveCustomOptions();
-  });
-  if (model.getLanguageId() === 'markdown') {
-    const suggestWidget = (editor.getContribution('editor.contrib.suggestController') as any).widget?.value;
-    if (suggestWidget?._setDetailsVisible) suggestWidget._setDetailsVisible(true);
-    handlePasteEvent(editor);
-  }
-  if (!customOptions.theme) return null;
-  return loadThemePromise.then(() => editor.updateOptions({ theme: customOptions.theme }));
-}
diff --git a/packages/ui-default/components/monaco/languages/markdown.ts b/packages/ui-default/components/monaco/languages/markdown.ts
index f3a57f61a..5adb89dab 100644
--- a/packages/ui-default/components/monaco/languages/markdown.ts
+++ b/packages/ui-default/components/monaco/languages/markdown.ts
@@ -1,109 +1,131 @@
+import 'vscode/localExtensionHost';
+
 import keyword from 'emojis-keywords';
 import list from 'emojis-list';
-import * as monaco from 'monaco-editor/esm/vs/editor/editor.api';
 import qface from 'qface';
-import { api, gql } from 'vj/utils';
+import * as vscode from 'vscode';
 
-function emoji(range) {
-  return keyword.map((i, index) => ({
-    label: `${list[index]} ${i}`,
-    kind: monaco.languages.CompletionItemKind.Keyword,
-    documentation: i,
-    insertText: list[index],
-    range,
-  }));
-}
-
-function qqEmoji(range) {
-  return qface.data.flatMap((i) => {
-    const url = qface.getUrl(i.QSid, 'https://qq-face.vercel.app');
-    return [i.QDes.substring(1), ...(i.Input || [])].map((input) => ({
-      label: `/${input}`,
-      kind: monaco.languages.CompletionItemKind.Keyword,
-      documentation: { value: `![${i.QDes}](${url})`, isTrusted: true },
-      insertText: `![${i.Input ? i.Input[0] : i.QDes.substring(1)}](${url} =32x32) `,
-      range,
-    }));
-  });
-}
-
-monaco.editor.registerCommand('hydro.openUserPage', (accesser, uid) => {
+vscode.commands.registerCommand('hydro.openUserPage', (accesser, uid) => {
   window.open(`/user/${uid}`);
 });
 
-monaco.languages.registerCodeLensProvider('markdown', {
-  async provideCodeLenses(model) {
-    const users = model.findMatches('\\[\\]\\(/user/(\\d+)\\)', true, true, true, null, true);
-    if (!users.length) {
-      return {
-        lenses: [],
-        dispose: () => { },
-      };
-    }
-    const { data } = await api(gql`
-      users(ids: ${users.map((i) => +i.matches[1])}) {
-        _id
-        uname
-      }
-    `);
-    return {
-      lenses: users.map((i, index) => ({
-        range: i.range,
-        id: `${index}.${i.matches[1]}`,
-        command: {
-          id: 'hydro.openUserPage',
-          arguments: [i.matches[1]],
-          title: `@${data.users.find((doc) => doc._id.toString() === i.matches[1])?.uname || i.matches[1]}`,
-        },
-      })),
-      dispose: () => { },
-    };
-  },
-  resolveCodeLens(model, codeLens) {
-    return codeLens;
-  },
-});
+class CodelensProvider implements vscode.CodeLensProvider {
+  private regex: RegExp;
+  private _onDidChangeCodeLenses: vscode.EventEmitter<void> = new vscode.EventEmitter<void>();
+  public readonly onDidChangeCodeLenses: vscode.Event<void> = this._onDidChangeCodeLenses.event;
 
-monaco.languages.registerCompletionItemProvider('markdown', {
-  async provideCompletionItems(model, position) {
-    const word = model.getWordAtPosition(position);
-    if (word.word.length < 2) return { suggestions: [] };
-    const prefix = model.getValueInRange({
-      startLineNumber: position.lineNumber,
-      endLineNumber: position.lineNumber,
-      startColumn: word.startColumn - 1,
-      endColumn: word.startColumn,
+  constructor() {
+    this.regex = /\[\]\(\/user\/(\d+)\)/g;
+    console.log('aaa', vscode);
+
+    vscode.workspace.onDidChangeConfiguration((_) => {
+      this._onDidChangeCodeLenses.fire();
     });
-    if (![':', '/', '@'].includes(prefix)) return { suggestions: [] };
-    const range = {
-      startLineNumber: position.lineNumber,
-      endLineNumber: position.lineNumber,
-      startColumn: word.startColumn - 1,
-      endColumn: word.endColumn,
-    };
-    if (prefix === '@') {
-      const users = await api(gql`
-        users(search: ${word.word}) {
-          _id
-          uname
-          avatarUrl
-          priv
-        }
-      `, ['data', 'users']);
-      return {
-        suggestions: users.map((i) => ({
-          label: { label: `@${i.uname}`, description: `UID=${i._id}` },
-          kind: monaco.languages.CompletionItemKind.Property,
-          documentation: { value: `[](#loader) ![avatar](${new URL(i.avatarUrl, window.location.href)})`, isTrusted: true },
-          insertText: `@[](/user/${i._id}) `,
-          range,
-          sortText: i.priv === 0 ? '0' : '1',
-          tags: i.priv === 0 ? [1] : [],
-        })),
-      };
+  }
+
+  public async provideCodeLenses(document: vscode.TextDocument, token: vscode.CancellationToken) {
+    const codeLenses: vscode.CodeLens[] = [];
+    console.log('cl', 123);
+    const regex = new RegExp(this.regex);
+    const text = document.getText();
+    let matches;
+    const users = [];
+    while ((matches = regex.exec(text)) !== null) {
+      const line = document.lineAt(document.positionAt(matches.index).line);
+      const indexOf = line.text.indexOf(matches[0]);
+      const position = new vscode.Position(line.lineNumber, indexOf);
+      const range = document.getWordRangeAtPosition(position, new RegExp(this.regex));
+      if (range) users.push({ matches, range });
     }
-    return {
-      suggestions: prefix === ':' ? emoji(range) : qqEmoji(range),
-    };
+    //     const { data } = await api(gql`
+    //     users(ids: ${users.map((i) => +i.matches[1])}) {
+    //       _id
+    //       uname
+    //     }
+    //   `);
+    for (const { matches, range } of users) {
+      codeLenses.push(new vscode.CodeLens(range, {
+        command: 'hydro.openUserPage',
+        arguments: [matches[1]],
+        title: `@${matches[1]}`,
+      }));
+    }
+
+    return codeLenses;
+  }
+
+  public resolveCodeLens(codeLens: vscode.CodeLens, token: vscode.CancellationToken) {
+    return codeLens;
+  }
+}
+vscode.languages.registerCodeLensProvider({ language: 'markdown' }, new CodelensProvider());
+
+vscode.languages.registerCompletionItemProvider({ language: 'markdown' }, {
+  async provideCompletionItems(document, position, token, context) {
+    const range = new vscode.Range(new vscode.Position(position.line, position.character - 1), position);
+    return context.triggerCharacter === ':'
+      ? keyword.map((i, index) => {
+        const c = new vscode.CompletionItem(`${list[index]} ${i}`, vscode.CompletionItemKind.Keyword);
+        c.insertText = list[index];
+        c.documentation = i;
+        c.range = range;
+        return c;
+      })
+      : qface.data.flatMap((i) => {
+        const url = qface.getUrl(i.QSid, 'https://qq-face.vercel.app');
+        return [i.QDes.substring(1), ...(i.Input || [])].map((input) => {
+          const c = new vscode.CompletionItem(`/${input}`, vscode.CompletionItemKind.Keyword);
+          c.insertText = `![${i.Input ? i.Input[0] : i.QDes.substring(1)}](${url} =32x32) `;
+          c.documentation = new vscode.MarkdownString(`![${i.QDes}](${url})`);
+          c.range = range;
+          return c;
+        });
+      });
   },
-});
+}, ':', '/');
+
+vscode.languages.registerCompletionItemProvider('*', {
+  async provideCompletionItems(document, position, token, context) {
+    return [];
+    const range = document.getWordRangeAtPosition(position);
+    const word = document.getText(range);
+    if (word.length < 2) return [];
+    // const prefix = document.getValueInRange({
+    //     startLineNumber: position.lineNumber,
+    //     endLineNumber: position.lineNumber,
+    //     startColumn: word.startColumn - 1,
+    //     endColumn: word.startColumn,
+    // });
+    // if (![':', '/', '@'].includes(prefix)) return { suggestions: [] };
+    // const range = {
+    //     startLineNumber: position.lineNumber,
+    //     endLineNumber: position.lineNumber,
+    //     startColumn: word.startColumn - 1,
+    //     endColumn: word.endColumn,
+    // };
+    //     if (prefix === '@') {
+    //         const users = await api(gql`
+    //     users(search: ${word.word}) {
+    //       _id
+    //       uname
+    //       avatarUrl
+    //       priv
+    //     }
+    //   `, ['data', 'users']);
+    //         return {
+    //             suggestions: users.map((i) => ({
+    //                 label: { label: `@${i.uname}`, description: `UID=${i._id}` },
+    //                 kind: monaco.languages.CompletionItemKind.Property,
+    //                 documentation: { value: `[](#loader) ![avatar](${new URL(i.avatarUrl, window.location.href)})`, isTrusted: true },
+    //                 insertText: `@[](/user/${i._id}) `,
+    //                 range,
+    //                 sortText: i.priv === 0 ? '0' : '1',
+    //                 tags: i.priv === 0 ? [1] : [],
+    //             })),
+    //         };
+    //     }
+    // return {
+    //     suggestions: prefix === ':' ? emoji(range) : qqEmoji(range),
+    // };
+  },
+}, '@');
diff --git a/packages/ui-default/components/monaco/languages/typescript.ts b/packages/ui-default/components/monaco/languages/typescript.ts
deleted file mode 100644
index 3125bed82..000000000
--- a/packages/ui-default/components/monaco/languages/typescript.ts
+++ /dev/null
@@ -1,45 +0,0 @@
-import * as monaco from 'monaco-editor/esm/vs/editor/editor.api';
-
-const types = require.context('@types/node/', true, /\.d\.ts$/, 'lazy-once');
-
-const diagnosticsOptions: monaco.languages.typescript.DiagnosticsOptions = {
-  noSemanticValidation: false,
-  noSyntaxValidation: false,
-  noSuggestionDiagnostics: true,
-};
-const compilerOptions: monaco.languages.typescript.CompilerOptions = {
-  target: monaco.languages.typescript.ScriptTarget.ES2020,
-  module: monaco.languages.typescript.ModuleKind.ESNext,
-  allowNonTsExtensions: true,
-};
-monaco.languages.typescript.javascriptDefaults.setDiagnosticsOptions(diagnosticsOptions);
-monaco.languages.typescript.typescriptDefaults.setDiagnosticsOptions(diagnosticsOptions);
-monaco.languages.typescript.javascriptDefaults.setCompilerOptions(compilerOptions);
-monaco.languages.typescript.typescriptDefaults.setCompilerOptions(compilerOptions);
-const libSource = [
-  'declare function readline(): string;',
-  'declare function print(content: string): void;',
-].join('\n');
-const libUri = 'ts:filename/basic.d.ts';
-monaco.languages.typescript.javascriptDefaults.addExtraLib(libSource, libUri);
-monaco.editor.createModel(libSource, 'typescript', monaco.Uri.parse(libUri));
-const modules = [];
-
-export async function loadTypes() {
-  for (const key of types.keys()) {
-    if (!key.startsWith('.')) continue;
-    const m = await types(key);
-    const val = m.replace('declare var require: NodeRequire;', '');
-    if (val.includes('declare module ')) {
-      modules.push(val.toString().split('declare module \'')[1].split('\'')[0]);
-    }
-    const uri = `ts:node/${key.split('./')[1]}`;
-    monaco.languages.typescript.javascriptDefaults.addExtraLib(val, uri);
-    monaco.editor.createModel(val, 'typescript', monaco.Uri.parse(uri));
-  }
-  let val = 'declare var require:';
-  for (const m of modules) val += `((id:'${m}')=>(typeof import('${m}')))&`;
-  val += '((id:string)=>any)';
-  monaco.languages.typescript.javascriptDefaults.addExtraLib(val, 'ts:node/require.d.ts');
-  monaco.editor.createModel(val, 'typescript', monaco.Uri.parse('ts:node/require.d.ts'));
-}
diff --git a/packages/ui-default/components/monaco/languages/yaml.ts b/packages/ui-default/components/monaco/languages/yaml.ts
deleted file mode 100644
index 55ae952ee..000000000
--- a/packages/ui-default/components/monaco/languages/yaml.ts
+++ /dev/null
@@ -1,22 +0,0 @@
-import * as monaco from 'monaco-editor/esm/vs/editor/editor.api';
-import { configureMonacoYaml } from 'monaco-yaml';
-import problemConfigSchema from '../schema/problemconfig';
-
-configureMonacoYaml(monaco, {
-  validate: true,
-  enableSchemaRequest: true,
-  hover: true,
-  completion: true,
-  format: false,
-  schemas: [
-    {
-      uri: 'https://hydro.js.org/schema/problemConfig.json',
-      fileMatch: ['hydro://problem/file/config.yaml'],
-      schema: problemConfigSchema as any,
-    },
-    {
-      uri: new URL('/manage/config/schema.json', window.location.href).toString(),
-      fileMatch: ['hydro://system/setting.yaml'],
-    },
-  ],
-});
diff --git a/packages/ui-default/components/monaco/loader.ts b/packages/ui-default/components/monaco/loader.ts
index 3a84b4fbe..fd8ee9ffa 100644
--- a/packages/ui-default/components/monaco/loader.ts
+++ b/packages/ui-default/components/monaco/loader.ts
@@ -1,10 +1,25 @@
 import { getFeatures, load as loadModule } from '../../lazyload';
 
+/* eslint-disable no-await-in-loop */
+
 let loaded;
 
+const localeLoader: Partial<Record<string, () => Promise<void>>> = {
+  ko: async () => {
+    await import('@codingame/monaco-vscode-language-pack-ko');
+  },
+  zh: async () => {
+    await import('@codingame/monaco-vscode-language-pack-zh-hans');
+  },
+  // eslint-disable-next-line @typescript-eslint/naming-convention
+  'zh_TW': async () => {
+    await import('@codingame/monaco-vscode-language-pack-zh-hant');
+  },
+};
+
 const val: Record<string, any> = {};
 /** @deprecated */
-export async function legacyLoadExternalModule(target: string) {
+async function legacyLoadExternalModule(target: string) {
   if (val[target]) return val[target];
   const ele = document.createElement('script');
   ele.src = target;
@@ -18,22 +33,26 @@ export async function legacyLoadExternalModule(target: string) {
 }
 
 const loaders = {
-  i18n: async () => {
-    const { setLocaleData } = await import('./nls');
-    let resource;
-    const lang = UserContext.viewLang;
-    if (lang === 'zh') {
-      resource = await import('monaco-editor-nls/locale/zh-hans.json');
-    } else if (lang === 'zh_TW') {
-      resource = await import('monaco-editor-nls/locale/zh-hant.json');
-    } else if (lang === 'ko') {
-      resource = await import('monaco-editor-nls/locale/ko.json');
-    }
-    if (resource) setLocaleData(resource);
+  workbench: async () => {
+    await Promise.all([
+      import('@codingame/monaco-vscode-theme-seti-default-extension'),
+      import('@codingame/monaco-vscode-media-preview-default-extension'),
+      import('@codingame/monaco-vscode-markdown-language-features-default-extension'),
+      import('@codingame/monaco-vscode-markdown-math-default-extension'),
+      import('@codingame/monaco-vscode-configuration-editing-default-extension'),
+      import('@codingame/monaco-editor-wrapper/features/viewPanels'),
+      import('@codingame/monaco-editor-wrapper/features/search'),
+    ]);
   },
-  markdown: () => import('./languages/markdown'),
-  typescript: () => import('./languages/typescript').then((m) => m.loadTypes()),
-  yaml: () => import('./languages/yaml'),
+  markdown: async () => await Promise.all([
+    import('./languages/markdown'),
+    import('@codingame/monaco-vscode-markdown-basics-default-extension'),
+    import('@codingame/monaco-vscode-markdown-language-features-default-extension'),
+    import('@codingame/monaco-vscode-markdown-math-default-extension'),
+  ]),
+  typescript: async () => await import('@codingame/monaco-vscode-typescript-language-features-default-extension'),
+  cpp: async () => await import('@codingame/monaco-vscode-cpp-default-extension'),
+  yaml: async () => await import('@codingame/monaco-vscode-yaml-default-extension'),
   external: async (monaco, feat) => {
     for (const item of await getFeatures(`monaco-${feat}`)) {
       let apply = typeof item === 'function'
@@ -47,19 +66,28 @@ const loaders = {
   },
 };
 
-let loadPromise = Promise.resolve();
+let loadPromise = localeLoader['zh-hans']();
+let config = false;
+
+async function initConfigManager(t: typeof import('./monaco.ts')) {
+  t.registerFile(new t.RegisteredMemoryFile(t.default.Uri.parse('/.vscode/settings.json'), localStorage.getItem('monaco.settings') || '{}'));
+  const model = await t.default.editor.createModelReference(t.default.Uri.parse('/.vscode/settings.json'));
+  model.object.textEditorModel?.onDidChangeContent(() => {
+    const value = model.object.textEditorModel?.getValue() || '{}';
+    localStorage.setItem('monaco.settings', value);
+    t.updateUserConfiguration(value);
+  });
+}
 
 export async function load(features = ['markdown']) {
   let s = Date.now();
   await loadPromise;
   let resolve;
   loadPromise = new Promise((r) => { resolve = r; });
+  if (!loaded) console.log('Loading monaco editor');
+  const res = await import('./monaco');
   if (!loaded) {
-    await loaders.i18n();
-    console.log('Loading monaco editor');
-  }
-  const res = await import('./index');
-  if (!loaded) {
+    await res.init(features.includes('workbench'));
     console.log('Loaded monaco editor in', Date.now() - s, 'ms');
     loaded = [];
   }
@@ -83,9 +111,12 @@ export async function load(features = ['markdown']) {
       console.log('Monaco feat', feat, 'failed to load:', e);
     }
   }
-  await res.loadThemePromise;
+  if (!config) {
+    config = true;
+    await initConfigManager(res);
+  }
   resolve();
-  return { monaco: res.default, registerAction: res.registerAction, customOptions: res.customOptions };
+  return { ...res, monaco: res.default };
 }
 
 export default load;
diff --git a/packages/ui-default/components/monaco/monaco.ts b/packages/ui-default/components/monaco/monaco.ts
new file mode 100644
index 000000000..edcabd188
--- /dev/null
+++ b/packages/ui-default/components/monaco/monaco.ts
@@ -0,0 +1,56 @@
+import '@codingame/monaco-editor-wrapper/features/extensionHostWorker';
+import '@codingame/monaco-editor-wrapper/features/notifications';
+import '@codingame/monaco-vscode-theme-defaults-default-extension';
+import '@codingame/monaco-vscode-json-default-extension';
+
+import {
+  createEditor, initialize, registerFile, registerServices,
+} from '@codingame/monaco-editor-wrapper';
+import { RegisteredMemoryFile } from '@codingame/monaco-vscode-files-service-override';
+import * as monaco from 'monaco-editor';
+import { Uri } from 'vscode';
+
+export default monaco;
+export { createEditor, registerFile, RegisteredMemoryFile };
+export {
+  getUserConfiguration, getConfiguration,
+  onUserConfigurationChange, onConfigurationChanged,
+  updateUserConfiguration,
+} from '@codingame/monaco-editor-wrapper';
+
+export const init = async (workbench = false) => {
+  if (workbench) {
+    const [
+      { default: getWorkbenchServiceOverride },
+      { default: getMultiDiffEditorServiceOverride },
+      { default: getQuickAccessServiceOverride },
+    ] = await Promise.all([
+      import('@codingame/monaco-vscode-workbench-service-override'),
+      import('@codingame/monaco-vscode-multi-diff-editor-service-override'),
+      import('@codingame/monaco-vscode-quickaccess-service-override'),
+    ]);
+    registerServices({
+      ...getWorkbenchServiceOverride(),
+      ...getMultiDiffEditorServiceOverride(),
+      ...getQuickAccessServiceOverride({
+        shouldUseGlobalPicker() {
+          return true;
+        },
+        isKeybindingConfigurationVisible() {
+          return true;
+        },
+      }),
+    });
+  }
+  return initialize({
+    workspaceProvider: {
+      trusted: true,
+      workspace: {
+        workspaceUri: Uri.file('/'),
+      },
+      async open() {
+        return false;
+      },
+    },
+  });
+};
diff --git a/packages/ui-default/components/monaco/nls.js b/packages/ui-default/components/monaco/nls.js
deleted file mode 100644
index f9f3aab8a..000000000
--- a/packages/ui-default/components/monaco/nls.js
+++ /dev/null
@@ -1,39 +0,0 @@
-function format(message, args) {
-  let result;
-  if (!args.length) result = message;
-  else {
-    result = String(message).replace(/\{(\d+)\}/g, (match, rest) => {
-      const index = rest[0];
-      return typeof args[index] !== 'undefined' ? args[index] : match;
-    });
-  }
-  return result;
-}
-
-export const getConfiguredDefaultLocale = () => 'zh';
-
-let CURRENT_LOCALE_DATA = {}; // eslint-disable-line @typescript-eslint/naming-convention
-
-export function localize(path, message, ...args) {
-  return format(CURRENT_LOCALE_DATA[path.key || path] || message, args);
-}
-
-export function localize2(data, message, ...args) {
-  const original = localize(message, args);
-  return {
-    value: original,
-    original,
-  };
-}
-
-export function setLocaleData(data) {
-  CURRENT_LOCALE_DATA = Object.assign(...Object.values(data));
-}
-
-export function loadMessageBundle() {
-  return localize;
-}
-
-export function config() {
-  return loadMessageBundle;
-}
diff --git a/packages/ui-default/components/scratchpad/ScratchpadEditorContainer.tsx b/packages/ui-default/components/scratchpad/ScratchpadEditorContainer.tsx
index 6e2256092..c01ea44b7 100644
--- a/packages/ui-default/components/scratchpad/ScratchpadEditorContainer.tsx
+++ b/packages/ui-default/components/scratchpad/ScratchpadEditorContainer.tsx
@@ -41,22 +41,21 @@ export default connect((state: any) => ({
   async componentDidMount() {
     const value = this.props.value || '';
     const { language } = this.props;
-    const { monaco, registerAction, customOptions } = await load([language]);
-    const uri = monaco.Uri.parse(`hydro:${UiContext.pdoc.pid || UiContext.pdoc.docId}.${language}`);
+    const { monaco, createEditor } = await load([language]);
+    const uri = monaco.Uri.parse(`/${UiContext.pdoc.pid || UiContext.pdoc.docId}.${language}`);
     this.model = monaco.editor.getModel(uri) || monaco.editor.createModel(value, language, uri);
     if (this.containerElement) {
       const config: monaco.editor.IStandaloneEditorConstructionOptions = {
         theme: 'vs-light',
         fontFamily: UserContext.codeFontFamily,
-        ...customOptions,
         lineNumbers: 'on',
         glyphMargin: true,
         lightbulb: { enabled: monaco.editor.ShowLightbulbIconMode.On },
         model: this.model,
         fontLigatures: '',
+        language,
       };
-      this.editor = monaco.editor.create(this.containerElement, config);
-      registerAction(this.editor, this.model);
+      this.editor = createEditor(this.containerElement, config);
       this.disposable.push(
         this.editor.onDidChangeModelContent((event) => {
           if (!this.__prevent_trigger_change_event) {
@@ -96,7 +95,7 @@ export default connect((state: any) => ({
     if (model && editor && prevProps.language !== language) {
       const val = model.getValue(LF, false);
       model.dispose();
-      const uri = monaco.Uri.parse(`hydro:${UiContext.pdoc.pid || UiContext.pdoc.docId}.${language}`);
+      const uri = monaco.Uri.parse(`file:///${UiContext.pdoc.pid || UiContext.pdoc.docId}.${language}`);
       this.model = monaco.editor.getModel(uri) || monaco.editor.createModel(val, language, uri);
       editor.setModel(this.model);
     }
diff --git a/packages/ui-default/package.json b/packages/ui-default/package.json
index 077d83cdc..b01328f46 100644
--- a/packages/ui-default/package.json
+++ b/packages/ui-default/package.json
@@ -15,6 +15,11 @@
   },
   "devDependencies": {
     "@blueprintjs/core": "^5.10.3",
+    "@codingame/monaco-editor-wrapper": "^6.6.10",
+    "@codingame/monaco-vscode-language-pack-ko": "5.3.0",
+    "@codingame/monaco-vscode-language-pack-zh-hans": "5.3.0",
+    "@codingame/monaco-vscode-language-pack-zh-hant": "5.3.0",
+    "@codingame/monaco-vscode-typescript-language-features-default-extension": "5.3.0",
     "@cordisjs/core": "^3.16.2",
     "@fontsource/dm-mono": "^5.0.20",
     "@fontsource/fira-code": "^5.0.18",
@@ -40,6 +45,7 @@
     "@types/react": "^18.3.3",
     "@types/react-dom": "^18.3.0",
     "@types/redux-logger": "^3.0.13",
+    "@types/vscode": "^1.89.0",
     "@types/webpack-env": "^1.18.5",
     "@vscode/codicons": "^0.0.36",
     "ajv": "^8.16.0",
@@ -73,9 +79,8 @@
     "matchmedia-polyfill": "^0.3.2",
     "mini-css-extract-plugin": "^2.9.0",
     "moment": "^2.30.1",
-    "monaco-editor": "0.46.0",
-    "monaco-editor-nls": "^3.1.0",
-    "monaco-editor-webpack-plugin": "^7.1.0",
+    "monaco-editor": "npm:@codingame/monaco-vscode-editor-api@5.3.0",
+    "monaco-languageclient": "^8.4.0",
     "monaco-themes": "^0.4.4",
     "monaco-yaml": "^5.1.1",
     "nanoid": "^5.0.7",
@@ -117,8 +122,12 @@
     "timeago-react": "^3.0.6",
     "timeago.js": "^4.0.2",
     "ts-loader": "^9.5.1",
+    "url": "^0.11.3",
+    "util": "^0.12.5",
     "vditor": "^3.10.4",
     "vinyl-buffer": "^1.0.1",
+    "vscode": "npm:@codingame/monaco-vscode-api@^5.3.0",
+    "vscode-languageclient": "^9.0.1",
     "web-streams-polyfill": "^4.0.0",
     "webpack": "^5.91.0",
     "webpack-bundle-analyzer": "^4.10.2",