diff --git a/components.d.ts b/components.d.ts
index 725d6fa..1fdf608 100644
--- a/components.d.ts
+++ b/components.d.ts
@@ -19,5 +19,6 @@ declare module 'vue' {
     NTag: typeof import('naive-ui')['NTag']
     NText: typeof import('naive-ui')['NText']
     Preview: typeof import('./src/components/Preview.vue')['default']
+    Tutorial: typeof import('./src/components/Tutorial.vue')['default']
   }
 }
diff --git a/package-lock.json b/package-lock.json
index 53f9707..50ae1c3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,6 +13,8 @@
         "@codemirror/lang-javascript": "^6.2.3",
         "@vueuse/core": "^12.7.0",
         "codemirror": "^6.0.1",
+        "github-markdown-css": "^5.8.1",
+        "marked": "^15.0.7",
         "naive-ui": "^2.41.0",
         "normalize.css": "^8.0.1",
         "vue": "^3.5.13",
@@ -1618,6 +1620,18 @@
         "node": "^8.16.0 || ^10.6.0 || >=11.0.0"
       }
     },
+    "node_modules/github-markdown-css": {
+      "version": "5.8.1",
+      "resolved": "https://registry.npmjs.org/github-markdown-css/-/github-markdown-css-5.8.1.tgz",
+      "integrity": "sha512-8G+PFvqigBQSWLQjyzgpa2ThD9bo7+kDsriUIidGcRhXgmcaAWUIpCZf8DavJgc+xifjbCG+GvMyWr0XMXmc7g==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/glob-parent": {
       "version": "5.1.2",
       "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-5.1.2.tgz",
@@ -1820,6 +1834,18 @@
         "@jridgewell/sourcemap-codec": "^1.5.0"
       }
     },
+    "node_modules/marked": {
+      "version": "15.0.7",
+      "resolved": "https://registry.npmjs.org/marked/-/marked-15.0.7.tgz",
+      "integrity": "sha512-dgLIeKGLx5FwziAnsk4ONoGwHwGPJzselimvlVskE9XLN4Orv9u2VA3GWw/lYUqjfA0rUT/6fqKwfZJapP9BEg==",
+      "license": "MIT",
+      "bin": {
+        "marked": "bin/marked.js"
+      },
+      "engines": {
+        "node": ">= 18"
+      }
+    },
     "node_modules/merge-stream": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/merge-stream/-/merge-stream-2.0.0.tgz",
diff --git a/package.json b/package.json
index 6d59dd5..7bb7388 100644
--- a/package.json
+++ b/package.json
@@ -14,6 +14,8 @@
     "@codemirror/lang-javascript": "^6.2.3",
     "@vueuse/core": "^12.7.0",
     "codemirror": "^6.0.1",
+    "github-markdown-css": "^5.8.1",
+    "marked": "^15.0.7",
     "naive-ui": "^2.41.0",
     "normalize.css": "^8.0.1",
     "vue": "^3.5.13",
diff --git a/public/turtorial/01/README.md b/public/turtorial/01/README.md
new file mode 100644
index 0000000..23760c6
--- /dev/null
+++ b/public/turtorial/01/README.md
@@ -0,0 +1,27 @@
+# 测试
+
+## 什么是 HTML
+
+```html
+<div>hello</div>
+```
+
+```css
+.welcome {
+  color: red;
+}
+```
+
+## 什么是 HTML
+
+## 什么是 HTML
+
+## 什么是 HTML
+
+## 什么是 HTML
+
+## 什么是 HTML
+
+## 什么是 HTML
+
+## 什么是 HTML
diff --git a/public/turtorial/02/README.md b/public/turtorial/02/README.md
new file mode 100644
index 0000000..302946b
--- /dev/null
+++ b/public/turtorial/02/README.md
@@ -0,0 +1 @@
+# 什么是 CSS
\ No newline at end of file
diff --git a/public/turtorial/03/README.md b/public/turtorial/03/README.md
new file mode 100644
index 0000000..e69de29
diff --git a/rsbuild.config.ts b/rsbuild.config.ts
index 11b1400..4f03fd7 100644
--- a/rsbuild.config.ts
+++ b/rsbuild.config.ts
@@ -1,6 +1,5 @@
 import { defineConfig } from "@rsbuild/core"
 import { pluginVue } from "@rsbuild/plugin-vue"
-// import AutoImport from "unplugin-auto-import/rspack"
 import { NaiveUiResolver } from "unplugin-vue-components/resolvers"
 import Components from "unplugin-vue-components/rspack"
 
@@ -17,19 +16,6 @@ export default defineConfig({
   tools: {
     rspack: {
       plugins: [
-        // AutoImport({
-        //   imports: [
-        //     "vue",
-        //     {
-        //       "naive-ui": [
-        //         "useDialog",
-        //         "useMessage",
-        //         "useNotification",
-        //         "useLoadingBar",
-        //       ],
-        //     },
-        //   ],
-        // }),
         Components({
           resolvers: [NaiveUiResolver()],
         }),
diff --git a/src/App.vue b/src/App.vue
index a5e8b04..b914a3e 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -2,6 +2,7 @@
 import { dateZhCN, zhCN } from "naive-ui"
 import Editors from "./components/Editors.vue"
 import Preview from "./components/Preview.vue"
+import Tutorial from "./components/Tutorial.vue"
 import { useMagicKeys, whenever } from "@vueuse/core"
 
 const { ctrl_s } = useMagicKeys({
@@ -22,14 +23,25 @@ whenever(ctrl_r, () => {})
 </script>
 
 <template>
-  <n-config-provider :locale="zhCN" :date-locale="dateZhCN">
-    <n-split :min="0.25" :max="0.75">
-      <template #1>
-        <Editors />
-      </template>
+  <n-config-provider class="myContainer" :locale="zhCN" :date-locale="dateZhCN" inline-theme-disabled>
+    <n-split :default-size="1 / 3" min="300px" max="700px">
+      <template #1><Tutorial /></template>
       <template #2>
-        <Preview />
+        <n-split direction="vertical">
+          <template #1>
+            <Editors />
+          </template>
+          <template #2>
+            <Preview />
+          </template>
+        </n-split>
       </template>
     </n-split>
   </n-config-provider>
 </template>
+<style scoped>
+.myContainer {
+  height: 100vh;
+  width: 100vw;
+}
+</style>
diff --git a/src/components/Editors.vue b/src/components/Editors.vue
index 2031303..4df9e50 100644
--- a/src/components/Editors.vue
+++ b/src/components/Editors.vue
@@ -1,7 +1,8 @@
 <template>
   <n-tabs
-    size="large"
+    style="height: 100%"
     pane-class="pane"
+    size="large"
     :default-value="currentTab"
     type="segment"
     @update:value="changeTab"
@@ -9,7 +10,7 @@
     <n-tab-pane name="html" tab="HTML">
       <template #tab>
         <n-flex align="center">
-          <Icon icon="skill-icons:html" :width="20" :height="20"></Icon>
+          <Icon icon="skill-icons:html" :width="20"></Icon>
           <span>HTML</span>
         </n-flex>
       </template>
@@ -18,7 +19,7 @@
     <n-tab-pane name="css" tab="CSS">
       <template #tab>
         <n-flex align="center">
-          <Icon icon="skill-icons:css" :width="20" :height="20"></Icon>
+          <Icon icon="skill-icons:css" :width="20"></Icon>
           <span>CSS</span>
         </n-flex>
       </template>
@@ -27,7 +28,7 @@
     <n-tab-pane name="js" tab="JavaScript">
       <template #tab>
         <n-flex align="center">
-          <Icon icon="skill-icons:javascript" :width="20" :height="20"></Icon>
+          <Icon icon="skill-icons:javascript" :width="20"></Icon>
           <span>JavaScript</span>
         </n-flex>
       </template>
@@ -36,7 +37,7 @@
     <n-tab-pane name="actions" tab="选项">
       <template #tab>
         <n-flex align="center">
-          <Icon icon="solar:settings-bold" :width="20" :height="20"></Icon>
+          <Icon icon="skill-icons:actix-dark" :width="20"></Icon>
           <span>选项</span>
         </n-flex>
       </template>
@@ -72,7 +73,7 @@
 import { Icon } from "@iconify/vue"
 import Editor from "./Editor.vue"
 import { useStorage } from "@vueuse/core"
-import { html, css, js, reset, size, changeSize } from "../store.ts"
+import { html, css, js, reset, size, changeSize } from "../store"
 
 const currentTab = useStorage("web-tab", "html")
 
@@ -83,7 +84,8 @@ function changeTab(tab: "html" | "css" | "js" | "actions") {
 </script>
 <style scoped>
 .pane {
-  height: calc(100vh - 62px);
+  height: 100%;
+  overflow: scroll;
 }
 .wrapper {
   padding-left: 16px;
diff --git a/src/components/Preview.vue b/src/components/Preview.vue
index cd8c0c1..42cab0f 100644
--- a/src/components/Preview.vue
+++ b/src/components/Preview.vue
@@ -1,8 +1,11 @@
 <template>
-  <n-flex align="center" justify="space-between" class="pane">
-    <n-text class="preview">预览</n-text>
+  <n-flex align="center" justify="space-between" class="title">
+    <n-flex align="center">
+      <Icon icon="noto:eyes" :width="20"></Icon>
+      <n-text class="titleText">预览</n-text>
+    </n-flex>
     <n-flex>
-      <n-button>提交</n-button>
+      <!-- <n-button>提交</n-button> -->
     </n-flex>
   </n-flex>
   <iframe class="iframe" ref="iframe"></iframe>
@@ -10,16 +13,16 @@
 
 <script lang="ts" setup>
 import { watchDebounced } from "@vueuse/core"
-import { html, css, js } from "../store.ts"
+import { html, css, js } from "../store"
 import { onMounted, useTemplateRef } from "vue"
+import { Icon } from "@iconify/vue"
 
 const iframe = useTemplateRef<HTMLIFrameElement>("iframe")
 
 function preview() {
   if (!iframe.value) return
   const doc = iframe.value.contentDocument!
-  doc.open()
-  doc.write(`<!DOCTYPE html>
+  const content = `<!DOCTYPE html>
 <html lang="zh-Hans-CN">
   <head>
     <meta charset="UTF-8" />
@@ -33,19 +36,21 @@ function preview() {
     ${html.value}
     <script type="module">${js.value}<\/script>
   </body>
-</html>`)
+</html>`
+  doc.open()
+  doc.write(content)
   doc.close()
 }
 watchDebounced([html, css, js], preview, { debounce: 500, maxWait: 1000 })
 onMounted(preview)
 </script>
 <style scoped>
-.pane {
+.title {
   height: 46px;
   background-color: rgb(247, 247, 250);
   padding: 0 20px;
 }
-.preview {
+.titleText {
   font-size: 16px;
 }
 .iframe {
diff --git a/src/components/Tutorial.vue b/src/components/Tutorial.vue
new file mode 100644
index 0000000..f72dc81
--- /dev/null
+++ b/src/components/Tutorial.vue
@@ -0,0 +1,61 @@
+<template>
+  <div class="container">
+    <n-flex align="center" class="title">
+      <n-flex align="center">
+        <Icon icon="twemoji:open-book" :width="20"></Icon>
+        <n-text class="preview">教程</n-text>
+        <n-button text @click="prev" :disabled="step === '01'">
+          <Icon :width="24" icon="pepicons-pencil:arrow-left"></Icon>
+        </n-button>
+        <n-button text @click="next" :disabled="end">
+          <Icon :width="24" icon="pepicons-pencil:arrow-right"></Icon>
+        </n-button>
+      </n-flex>
+    </n-flex>
+    <div class="markdown-body" v-html="marked(content)"></div>
+  </div>
+</template>
+<script lang="ts" setup>
+import { Icon } from "@iconify/vue"
+import { step, prev, next, content } from "../store"
+import { onMounted, ref, watch } from "vue"
+import { marked } from "marked"
+
+const end = ref(false)
+
+async function getContent() {
+  const res = await fetch(`/turtorial/${step.value}/README.md`)
+  const data = await res.text()
+  if (!!data) {
+    content.value = data
+    end.value = false
+  } else {
+    end.value = true
+    content.value = ""
+  }
+}
+
+onMounted(getContent)
+watch(step, getContent)
+</script>
+<style scoped>
+.container {
+  display: flex;
+  flex-direction: column;
+  height: 100%;
+}
+.title {
+  height: 46px;
+  background-color: rgb(247, 247, 250);
+  padding: 0 20px;
+  flex-shrink: 0;
+}
+.preview {
+  font-size: 16px;
+}
+.markdown-body {
+  padding: 16px;
+  box-sizing: border-box;
+  overflow: scroll;
+}
+</style>
diff --git a/src/env.d.ts b/src/env.d.ts
new file mode 100644
index 0000000..e69de29
diff --git a/src/main.ts b/src/main.ts
index c39a7e1..2014abe 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -1,6 +1,7 @@
 import { createApp } from "vue"
 import { create } from "naive-ui"
 import "normalize.css"
+import "github-markdown-css/github-markdown-light.css"
 import App from "./App.vue"
 
 const app = createApp(App)
diff --git a/src/store.ts b/src/store.ts
index a43a895..6c6fb79 100644
--- a/src/store.ts
+++ b/src/store.ts
@@ -23,3 +23,14 @@ export const size = useStorage("web-fontsize", 24)
 export function changeSize(num: number) {
   size.value = num
 }
+
+export const step = useStorage("web-turtorial-step", "01")
+export const content = useStorage("web-turtorial-content", "")
+export function prev() {
+  let num = parseInt(step.value) - 1
+  step.value = num.toString().padStart(2, "0")
+}
+export function next() {
+  let num = parseInt(step.value) + 1
+  step.value = num.toString().padStart(2, "0")
+}
diff --git a/src/vite-env.d.ts b/src/vite-env.d.ts
deleted file mode 100644
index 11f02fe..0000000
--- a/src/vite-env.d.ts
+++ /dev/null
@@ -1 +0,0 @@
-/// <reference types="vite/client" />