diff --git a/index.html b/index.html
index b5e6b16..890f130 100644
--- a/index.html
+++ b/index.html
@@ -93,7 +93,7 @@
       }
     </script>
     <script id="MathJax-script" src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-svg.js"></script>
-    <script type="module" src="/src/main.js"></script>
+    <script type="module" src="/src/main.ts"></script>
   </body>
   <script src="https://cdn-doocs.oss-cn-shenzhen.aliyuncs.com/gh/wechatsync/article-syncjs@latest/dist/main.js"></script>
 </html>
diff --git a/src/App.vue b/src/App.vue
index 04b13f2..c33bad3 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -1,4 +1,4 @@
-<script setup>
+<script setup lang="ts">
 import CodemirrorEditor from '@/views/CodemirrorEditor.vue'
 </script>
 
diff --git a/src/components/CodemirrorEditor/CssEditor.vue b/src/components/CodemirrorEditor/CssEditor.vue
index a75e8c1..eb7f39e 100644
--- a/src/components/CodemirrorEditor/CssEditor.vue
+++ b/src/components/CodemirrorEditor/CssEditor.vue
@@ -1,4 +1,4 @@
-<script setup>
+<script setup lang="ts">
 import { ElMessage, ElMessageBox } from 'element-plus'
 
 import { useStore } from '@/stores'
@@ -23,7 +23,7 @@ function editTabName() {
     })
 }
 
-function handleTabsEdit(targetName, action) {
+function handleTabsEdit(targetName: string, action: string) {
   if (action === `add`) {
     ElMessageBox.prompt(`请输入方案名称`, `新建自定义 CSS`, {
       confirmButtonText: `确认`,
@@ -86,7 +86,7 @@ function handleTabsEdit(targetName, action) {
             <el-icon
               v-if="store.cssContentConfig.active === item.name"
               class="ml-1"
-              @click="editTabName(item.name)"
+              @click="editTabName()"
             >
               <ElIconEditPen />
             </el-icon>
diff --git a/src/components/CodemirrorEditor/EditorHeader/AboutDialog.vue b/src/components/CodemirrorEditor/EditorHeader/AboutDialog.vue
index 544124f..c6fb9f3 100644
--- a/src/components/CodemirrorEditor/EditorHeader/AboutDialog.vue
+++ b/src/components/CodemirrorEditor/EditorHeader/AboutDialog.vue
@@ -1,4 +1,4 @@
-<script setup>
+<script setup lang="ts">
 import {
   Dialog,
   DialogContent,
@@ -16,7 +16,7 @@ const props = defineProps({
 
 const emit = defineEmits([`close`])
 
-function onUpdate(val) {
+function onUpdate(val: boolean) {
   if (!val) {
     emit(`close`)
   }
@@ -28,7 +28,7 @@ const links = [
   { label: `GitCode 仓库`, url: `https://gitcode.com/doocs/md` },
 ]
 
-function onRedirect(url) {
+function onRedirect(url: string) {
   window.open(url, `_blank`)
 }
 </script>
diff --git a/src/components/CodemirrorEditor/EditorHeader/EditDropdown.vue b/src/components/CodemirrorEditor/EditorHeader/EditDropdown.vue
index 08e6fcb..fb62232 100644
--- a/src/components/CodemirrorEditor/EditorHeader/EditDropdown.vue
+++ b/src/components/CodemirrorEditor/EditorHeader/EditDropdown.vue
@@ -1,4 +1,4 @@
-<script setup>
+<script setup lang="ts">
 import { useStore } from '@/stores'
 
 const store = useStore()
diff --git a/src/components/CodemirrorEditor/EditorHeader/FileDropdown.vue b/src/components/CodemirrorEditor/EditorHeader/FileDropdown.vue
index 5755e1e..7140863 100644
--- a/src/components/CodemirrorEditor/EditorHeader/FileDropdown.vue
+++ b/src/components/CodemirrorEditor/EditorHeader/FileDropdown.vue
@@ -1,4 +1,4 @@
-<script setup>
+<script setup lang="ts">
 import { storeToRefs } from 'pinia'
 
 import { useStore } from '@/stores'
diff --git a/src/components/CodemirrorEditor/EditorHeader/HelpDropdown.vue b/src/components/CodemirrorEditor/EditorHeader/HelpDropdown.vue
index 1f25136..f61d121 100644
--- a/src/components/CodemirrorEditor/EditorHeader/HelpDropdown.vue
+++ b/src/components/CodemirrorEditor/EditorHeader/HelpDropdown.vue
@@ -1,4 +1,4 @@
-<script setup>
+<script setup lang="ts">
 import { ref } from 'vue'
 
 import AboutDialog from './AboutDialog.vue'
diff --git a/src/components/CodemirrorEditor/EditorHeader/PostInfo.vue b/src/components/CodemirrorEditor/EditorHeader/PostInfo.vue
index 3b8c78b..3961fc8 100644
--- a/src/components/CodemirrorEditor/EditorHeader/PostInfo.vue
+++ b/src/components/CodemirrorEditor/EditorHeader/PostInfo.vue
@@ -1,4 +1,4 @@
-<script setup>
+<script setup lang="ts">
 import { ref } from 'vue'
 import { storeToRefs } from 'pinia'
 import {
@@ -16,22 +16,23 @@ const { output } = storeToRefs(store)
 
 const dialogVisible = ref(false)
 
-const form = ref({
+const form = ref<any>({
   title: ``,
   desc: ``,
   thumb: ``,
   content: ``,
+  auto: {},
 })
 
 function prePost() {
   let auto = {}
   try {
     auto = {
-      thumb: document.querySelector(`#output img`)?.src,
+      thumb: document.querySelector<HTMLImageElement>(`#output img`)?.src,
       title: [1, 2, 3, 4, 5, 6]
-        .map(h => document.querySelector(`#output h${h}`))
+        .map(h => document.querySelector(`#output h${h}`)!)
         .filter(h => h)[0].textContent,
-      desc: document.querySelector(`#output p`).textContent,
+      desc: document.querySelector(`#output p`)!.textContent,
       content: output.value,
     }
   }
@@ -45,10 +46,16 @@ function prePost() {
   dialogVisible.value = true
 }
 
+declare global {
+  interface Window {
+    syncPost: (data: { thumb: string, title: string, desc: string, content: string }) => void
+  }
+}
+
 function post() {
-  dialogVisible.value = false
+  dialogVisible.value = false;
   // 使用 window.$syncer 可以检测是否安装插件
-  window.syncPost({
+  (window.syncPost)({
     thumb: form.value.thumb || form.value.auto.thumb,
     title: form.value.title || form.value.auto.title,
     desc: form.value.desc || form.value.auto.desc,
@@ -56,7 +63,7 @@ function post() {
   })
 }
 
-function onUpdate(val) {
+function onUpdate(val: boolean) {
   if (!val) {
     dialogVisible.value = false
   }
diff --git a/src/components/CodemirrorEditor/EditorHeader/StyleDropdown.vue b/src/components/CodemirrorEditor/EditorHeader/StyleDropdown.vue
index e0e82c6..2e8c8b9 100644
--- a/src/components/CodemirrorEditor/EditorHeader/StyleDropdown.vue
+++ b/src/components/CodemirrorEditor/EditorHeader/StyleDropdown.vue
@@ -1,15 +1,13 @@
-<script setup>
+<script setup lang="ts">
 import { nextTick, ref } from 'vue'
 import { storeToRefs } from 'pinia'
 
 import StyleOptionMenu from './StyleOptionMenu.vue'
-
 import {
   HoverCard,
   HoverCardContent,
   HoverCardTrigger,
 } from '@/components/ui/hover-card'
-
 import {
   codeBlockThemeOptions,
   colorOptions,
@@ -45,10 +43,10 @@ const {
   toggleShowCssEditor,
 } = store
 
-const colorPicker = ref(null)
+const colorPicker = ref<HTMLElement & { show: () => void } | null>(null)
 
 function showPicker() {
-  colorPicker.value.show()
+  colorPicker.value?.show()
 }
 
 // 自定义CSS样式
@@ -56,11 +54,11 @@ function customStyle() {
   toggleShowCssEditor()
   nextTick(() => {
     if (!cssEditor.value) {
-      cssEditor.value.refresh()
+      cssEditor.value!.refresh()
     }
   })
   setTimeout(() => {
-    cssEditor.value.refresh()
+    cssEditor.value!.refresh()
   }, 50)
 }
 </script>
@@ -114,7 +112,7 @@ function customStyle() {
             自定义主题色
           </HoverCardTrigger>
           <HoverCardContent side="right" class="w-min">
-            <el-color-picker
+            <ElColorPicker
               ref="colorPicker"
               v-model="primaryColor"
               :teleported="false"
diff --git a/src/components/CodemirrorEditor/EditorHeader/StyleOptionMenu.vue b/src/components/CodemirrorEditor/EditorHeader/StyleOptionMenu.vue
index 4d1077c..8472350 100644
--- a/src/components/CodemirrorEditor/EditorHeader/StyleOptionMenu.vue
+++ b/src/components/CodemirrorEditor/EditorHeader/StyleOptionMenu.vue
@@ -1,31 +1,20 @@
-<script setup>
+<script setup lang="ts">
 import {
   MenubarItem,
   MenubarSub,
   MenubarSubContent,
   MenubarSubTrigger,
 } from '@/components/ui/menubar'
+import type { IConfigOption } from '@/types'
 
-const props = defineProps({
-  title: {
-    type: String,
-    required: true,
-  },
-  options: {
-    type: Array,
-    required: true,
-  },
-  current: {
-    type: String,
-    required: true,
-  },
-  change: {
-    type: Function,
-    required: true,
-  },
-})
+const props = defineProps<{
+  title: string
+  options: IConfigOption[]
+  current: string
+  change: <T>(val: T) => void
+}>()
 
-function setStyle(title, value) {
+function setStyle(title: string, value: string) {
   switch (title) {
     case `字体`:
       return { fontFamily: value }
diff --git a/src/components/CodemirrorEditor/EditorHeader/index.vue b/src/components/CodemirrorEditor/EditorHeader/index.vue
index 46501d1..51b7f01 100644
--- a/src/components/CodemirrorEditor/EditorHeader/index.vue
+++ b/src/components/CodemirrorEditor/EditorHeader/index.vue
@@ -1,4 +1,4 @@
-<script setup>
+<script setup lang="ts">
 import { nextTick } from 'vue'
 import { storeToRefs } from 'pinia'
 import { ElNotification } from 'element-plus'
@@ -78,7 +78,7 @@ const formatItems = [
     kbd: [altSign, shiftSign, `F`],
     emitArgs: [`formatContent`],
   },
-]
+] as const
 
 const store = useStore()
 
@@ -90,7 +90,7 @@ const { toggleDark, editorRefresh, citeStatusChanged } = store
 function copy() {
   emit(`startCopy`)
   setTimeout(() => {
-    function modifyHtmlStructure(htmlString) {
+    function modifyHtmlStructure(htmlString: string) {
       // 创建一个 div 元素来暂存原始 HTML 字符串
       const tempDiv = document.createElement(`div`)
       tempDiv.innerHTML = htmlString
@@ -98,7 +98,7 @@ function copy() {
       const originalItems = tempDiv.querySelectorAll(`li > ul, li > ol`)
 
       originalItems.forEach((originalItem) => {
-        originalItem.parentElement.insertAdjacentElement(`afterend`, originalItem)
+        originalItem.parentElement!.insertAdjacentElement(`afterend`, originalItem)
       })
 
       // 返回修改后的 HTML 字符串
@@ -114,7 +114,7 @@ function copy() {
     nextTick(() => {
       solveWeChatImage()
 
-      const clipboardDiv = document.getElementById(`output`)
+      const clipboardDiv = document.getElementById(`output`)!
       clipboardDiv.innerHTML = mergeCss(clipboardDiv.innerHTML)
       clipboardDiv.innerHTML = modifyHtmlStructure(clipboardDiv.innerHTML)
       clipboardDiv.innerHTML = clipboardDiv.innerHTML
@@ -125,14 +125,14 @@ function copy() {
         .replaceAll(`var(--md-primary-color)`, primaryColor.value)
         .replaceAll(/--md-primary-color:.+?;/g, ``)
       clipboardDiv.focus()
-      window.getSelection().removeAllRanges()
+      window.getSelection()!.removeAllRanges()
       const range = document.createRange()
 
-      range.setStartBefore(clipboardDiv.firstChild)
-      range.setEndAfter(clipboardDiv.lastChild)
-      window.getSelection().addRange(range)
+      range.setStartBefore(clipboardDiv.firstChild!)
+      range.setEndAfter(clipboardDiv.lastChild!)
+      window.getSelection()!.addRange(range)
       document.execCommand(`copy`)
-      window.getSelection().removeAllRanges()
+      window.getSelection()!.removeAllRanges()
       clipboardDiv.innerHTML = output.value
 
       if (isBeforeDark) {
@@ -165,8 +165,8 @@ function copy() {
         <MenubarContent class="w-60" align="start">
           <MenubarItem
             v-for="{ label, kbd, emitArgs } in formatItems"
-            :key="kbd"
-            @click="$emit(...emitArgs)"
+            :key="label"
+            @click="emitArgs[0] === 'addFormat' ? $emit(emitArgs[0], emitArgs[1]) : $emit(emitArgs[0])"
           >
             <el-icon class="mr-2 h-4 w-4" />
             {{ label }}
diff --git a/src/components/CodemirrorEditor/InsertFormDialog.vue b/src/components/CodemirrorEditor/InsertFormDialog.vue
index cc9deeb..11fec57 100644
--- a/src/components/CodemirrorEditor/InsertFormDialog.vue
+++ b/src/components/CodemirrorEditor/InsertFormDialog.vue
@@ -1,4 +1,4 @@
-<script setup>
+<script setup lang="ts">
 import { ref, toRaw } from 'vue'
 import {
   Dialog,
@@ -17,7 +17,7 @@ const { toggleShowInsertFormDialog } = store
 
 const rowNum = ref(3)
 const colNum = ref(3)
-const tableData = ref({})
+const tableData = ref<Record<string, string>>({})
 
 function resetVal() {
   rowNum.value = 3
@@ -32,12 +32,12 @@ function insertTable() {
     cols: colNum.value,
     data: tableData.value,
   })
-  toRaw(store.editor).replaceSelection(`\n${table}\n`, `end`)
+  toRaw(store.editor!).replaceSelection(`\n${table}\n`, `end`)
   resetVal()
   toggleShowInsertFormDialog()
 }
 
-function onUpdate(val) {
+function onUpdate(val: boolean) {
   if (!val) {
     toggleShowInsertFormDialog(false)
   }
diff --git a/src/components/CodemirrorEditor/UploadImgDialog.vue b/src/components/CodemirrorEditor/UploadImgDialog.vue
index 5073abf..ed8092b 100644
--- a/src/components/CodemirrorEditor/UploadImgDialog.vue
+++ b/src/components/CodemirrorEditor/UploadImgDialog.vue
@@ -1,9 +1,9 @@
-<script setup>
+<script setup lang="ts">
 import { nextTick, onBeforeMount, ref, watch } from 'vue'
-import CodeMirror from 'codemirror/lib/codemirror'
 import { ElMessage } from 'element-plus'
 import { UploadFilled } from '@element-plus/icons-vue'
 
+import CodeMirror from 'codemirror'
 import { Dialog, DialogContent, DialogHeader, DialogTitle } from '@/components/ui/dialog'
 
 import { checkImage, removeLeft } from '@/utils'
@@ -50,6 +50,7 @@ const formQiniu = ref({
   bucket: ``,
   domain: ``,
   region: ``,
+  path: ``,
 })
 
 const minioOSS = ref({
@@ -61,7 +62,7 @@ const minioOSS = ref({
   secretKey: ``,
 })
 
-const formCustom = ref({
+const formCustom = ref<{ code: string, editor: CodeMirror.EditorFromTextArea | null }>({
   code:
     localStorage.getItem(`formCustomConfig`)
     || removeLeft(`
@@ -76,7 +77,7 @@ const formCustom = ref({
     errCb(err)
   })
 `).trim(),
-  editor: undefined,
+  editor: null,
 })
 
 const options = [
@@ -116,7 +117,7 @@ const options = [
 
 const imgHost = ref(`default`)
 
-const formCustomElInput = ref(null)
+const formCustomElInput = ref<(HTMLInputElement & { $el: HTMLElement }) | null>(null)
 const activeName = ref(`upload`)
 
 watch(
@@ -124,12 +125,10 @@ watch(
   async (val) => {
     if (val === `formCustom`) {
       nextTick(() => {
-        const textarea = formCustomElInput.value.$el.querySelector(`textarea`)
-        formCustom.value.editor
-          = formCustom.value.editor
-          || CodeMirror.fromTextArea(textarea, {
-            mode: `javascript`,
-          })
+        const textarea = formCustomElInput.value!.$el.querySelector(`textarea`)!
+        formCustom.value.editor ||= CodeMirror.fromTextArea(textarea, {
+          mode: `javascript`,
+        })
         // formCustom.value.editor.setValue(formCustom.value.code)
       })
     }
@@ -141,25 +140,25 @@ watch(
 
 onBeforeMount(() => {
   if (localStorage.getItem(`githubConfig`)) {
-    formGitHub.value = JSON.parse(localStorage.getItem(`githubConfig`))
+    formGitHub.value = JSON.parse(localStorage.getItem(`githubConfig`)!)
   }
   // if (localStorage.getItem(`giteeConfig`)) {
-  //   formGitee.value = JSON.parse(localStorage.getItem(`giteeConfig`))
+  //   formGitee.value = JSON.parse(localStorage.getItem(`giteeConfig`)!)
   // }
   if (localStorage.getItem(`aliOSSConfig`)) {
-    formAliOSS.value = JSON.parse(localStorage.getItem(`aliOSSConfig`))
+    formAliOSS.value = JSON.parse(localStorage.getItem(`aliOSSConfig`)!)
   }
   if (localStorage.getItem(`txCOSConfig`)) {
-    formTxCOS.value = JSON.parse(localStorage.getItem(`txCOSConfig`))
+    formTxCOS.value = JSON.parse(localStorage.getItem(`txCOSConfig`)!)
   }
   if (localStorage.getItem(`qiniuConfig`)) {
-    formQiniu.value = JSON.parse(localStorage.getItem(`qiniuConfig`))
+    formQiniu.value = JSON.parse(localStorage.getItem(`qiniuConfig`)!)
   }
   if (localStorage.getItem(`minioConfig`)) {
-    minioOSS.value = JSON.parse(localStorage.getItem(`minioConfig`))
+    minioOSS.value = JSON.parse(localStorage.getItem(`minioConfig`)!)
   }
   if (localStorage.getItem(`imgHost`)) {
-    imgHost.value = localStorage.getItem(`imgHost`)
+    imgHost.value = localStorage.getItem(`imgHost`)!
   }
 })
 
@@ -251,12 +250,12 @@ function saveQiniuConfiguration() {
 }
 
 function formCustomSave() {
-  const str = formCustom.value.editor.getValue()
+  const str = formCustom.value.editor!.getValue()
   localStorage.setItem(`formCustomConfig`, str)
   ElMessage.success(`保存成功`)
 }
 
-function beforeImageUpload(file) {
+function beforeImageUpload(file: File) {
   // check image
   const checkResult = checkImage(file)
   if (!checkResult.ok) {
@@ -277,7 +276,7 @@ function beforeImageUpload(file) {
   return true
 }
 
-function uploadImage(params) {
+function uploadImage(params: { file: any }) {
   emit(`uploadImage`, params.file)
 }
 </script>
diff --git a/src/components/RunLoading.vue b/src/components/RunLoading.vue
index 564977b..1a11d27 100644
--- a/src/components/RunLoading.vue
+++ b/src/components/RunLoading.vue
@@ -1,4 +1,4 @@
-<script setup>
+<script setup lang="ts">
 import { onMounted, ref } from 'vue'
 
 const loading = ref(true)
diff --git a/src/element/index.js b/src/element/index.ts
similarity index 89%
rename from src/element/index.js
rename to src/element/index.ts
index c39c279..a79cac0 100644
--- a/src/element/index.js
+++ b/src/element/index.ts
@@ -2,9 +2,10 @@ import { ElLoading, ElMessage } from 'element-plus'
 import * as ElementPlusIconsVue from '@element-plus/icons-vue'
 import 'element-plus/dist/index.css'
 import 'element-plus/theme-chalk/dark/css-vars.css'
+import type { App } from 'vue'
 
 export default {
-  install(app) {
+  install(app: App<Element>) {
     // app.use(ElementPlus, { size: `default` })
 
     app.config.globalProperties.$loading = ElLoading.service
diff --git a/src/main.js b/src/main.ts
similarity index 100%
rename from src/main.js
rename to src/main.ts
diff --git a/src/utils/file.ts b/src/utils/file.ts
index 8e00877..a21e0bb 100644
--- a/src/utils/file.ts
+++ b/src/utils/file.ts
@@ -173,7 +173,7 @@ async function qiniuUpload(file: File) {
   const dir = path ? `${path}/` : ``
   const dateFilename = dir + getDateFilename(file.name)
   const observable = qiniu.upload(file, dateFilename, token, {}, { region })
-  return new Promise((resolve, reject) => {
+  return new Promise<string>((resolve, reject) => {
     observable.subscribe({
       next: (result) => {
         console.log(result)
@@ -229,7 +229,7 @@ async function txCOSFileUpload(file: File) {
     SecretId: secretId,
     SecretKey: secretKey,
   })
-  return new Promise((resolve, reject) => {
+  return new Promise<string>((resolve, reject) => {
     cos.putObject(
       {
         Bucket: bucket,
@@ -277,7 +277,7 @@ async function minioFileUpload(content: string, filename: string) {
   if (isCustomPort) {
     conf.port = p
   }
-  return new Promise((resolve, reject) => {
+  return new Promise<string>((resolve, reject) => {
     const minioClient = new Minio.Client(conf)
     try {
       minioClient.putObject(bucket, dateFilename, buffer, (e) => {
@@ -309,7 +309,7 @@ async function formCustomUpload(content: string, file: File) {
       ${localStorage.getItem(`formCustomConfig`)}
     }
   `
-  return new Promise((resolve, reject) => {
+  return new Promise<string>((resolve, reject) => {
     const exportObj = {
       content, // 待上传图片的 base64
       file, // 待上传图片的 file 对象
diff --git a/src/utils/index.ts b/src/utils/index.ts
index 06d993a..4a4a05e 100644
--- a/src/utils/index.ts
+++ b/src/utils/index.ts
@@ -253,10 +253,10 @@ export function createTable({ data, rows, cols }: { data: { [k: string]: string
 }
 
 export function toBase64(file: Blob) {
-  return new Promise((resolve, reject) => {
+  return new Promise<string>((resolve, reject) => {
     const reader = new FileReader()
     reader.readAsDataURL(file)
-    reader.onload = () => resolve((reader.result as string).split(`,`).pop())
+    reader.onload = () => resolve((reader.result as string).split(`,`).pop()!)
     reader.onerror = error => reject(error)
   })
 }
diff --git a/src/views/CodemirrorEditor.vue b/src/views/CodemirrorEditor.vue
index 401b481..6997911 100644
--- a/src/views/CodemirrorEditor.vue
+++ b/src/views/CodemirrorEditor.vue
@@ -1,7 +1,8 @@
-<script setup>
+<script setup lang="ts">
+import type { ComponentPublicInstance } from 'vue'
 import { onMounted, ref, toRaw, watch } from 'vue'
 import { storeToRefs } from 'pinia'
-import { ElMessage } from 'element-plus'
+import { ElCol, ElMessage } from 'element-plus'
 import CodeMirror from 'codemirror'
 
 import fileApi from '@/utils/file'
@@ -45,28 +46,29 @@ const {
 } = store
 
 const isImgLoading = ref(false)
-const timeout = ref(0)
+const timeout = ref<NodeJS.Timeout>()
 
-const preview = ref(null)
+const preview = ref<typeof ElCol | null>(null)
 
 // 使浏览区与编辑区滚动条建立同步联系
 function leftAndRightScroll() {
-  const scrollCB = (text) => {
-    let source, target
+  const scrollCB = (text: string) => {
+    let source: HTMLElement
+    let target: HTMLElement
 
     clearTimeout(timeout.value)
     if (text === `preview`) {
-      source = preview.value.$el
-      target = document.querySelector(`.CodeMirror-scroll`)
+      source = preview.value!.$el
+      target = document.querySelector<HTMLElement>(`.CodeMirror-scroll`)!
 
-      editor.value.off(`scroll`, editorScrollCB)
+      editor.value!.off(`scroll`, editorScrollCB)
       timeout.value = setTimeout(() => {
-        editor.value.on(`scroll`, editorScrollCB)
+        editor.value!.on(`scroll`, editorScrollCB)
       }, 300)
     }
-    else if (text === `editor`) {
-      source = document.querySelector(`.CodeMirror-scroll`)
-      target = preview.value.$el
+    else {
+      source = document.querySelector<HTMLElement>(`.CodeMirror-scroll`)!
+      target = preview.value!.$el
 
       target.removeEventListener(`scroll`, previewScrollCB, false)
       timeout.value = setTimeout(() => {
@@ -89,8 +91,8 @@ function leftAndRightScroll() {
     scrollCB(`preview`)
   }
 
-  preview.value.$el.addEventListener(`scroll`, previewScrollCB, false)
-  editor.value.on(`scroll`, editorScrollCB)
+  (preview.value!.$el).addEventListener(`scroll`, previewScrollCB, false)
+  editor.value!.on(`scroll`, editorScrollCB)
 }
 
 onMounted(() => {
@@ -120,7 +122,7 @@ function endCopy() {
   }, 800)
 }
 
-function beforeUpload(file) {
+function beforeUpload(file: File) {
   // validate image
   const checkResult = checkImage(file)
   if (!checkResult.ok) {
@@ -142,20 +144,20 @@ function beforeUpload(file) {
 }
 
 // 图片上传结束
-function uploaded(imageUrl) {
+function uploaded(imageUrl: string) {
   if (!imageUrl) {
     ElMessage.error(`上传图片未知异常`)
     return
   }
   toggleShowUploadImgDialog(false)
   // 上传成功，获取光标
-  const cursor = editor.value.getCursor()
+  const cursor = editor.value!.getCursor()
   const markdownImage = `![](${imageUrl})`
   // 将 Markdown 形式的 URL 插入编辑框光标所在位置
-  toRaw(store.editor).replaceSelection(`\n${markdownImage}\n`, cursor)
+  toRaw(store.editor!).replaceSelection(`\n${markdownImage}\n`, cursor as any)
   ElMessage.success(`图片上传成功`)
 }
-function uploadImage(file, cb) {
+function uploadImage(file: File, cb?: { (url: any): void, (arg0: unknown): void } | undefined) {
   isImgLoading.value = true
 
   toBase64(file)
@@ -176,7 +178,7 @@ function uploadImage(file, cb) {
     })
 }
 
-const changeTimer = ref(0)
+const changeTimer = ref<NodeJS.Timeout>()
 
 // 监听暗色模式并更新编辑器
 watch(isDark, () => {
@@ -186,7 +188,7 @@ watch(isDark, () => {
 
 // 初始化编辑器
 function initEditor() {
-  const editorDom = document.querySelector(`#editor`)
+  const editorDom = document.querySelector<HTMLTextAreaElement>(`#editor`)!
 
   if (!editorDom.value) {
     editorDom.value = editorContent.value
@@ -200,7 +202,7 @@ function initEditor() {
     autoCloseBrackets: true,
     extraKeys: {
       [`${shiftKey}-${altKey}-F`]: function autoFormat(editor) {
-        formatDoc(editor.getValue(0)).then((doc) => {
+        formatDoc(editor.getValue()).then((doc) => {
           editor.setValue(doc)
         })
       },
@@ -241,7 +243,7 @@ function initEditor() {
   })
 
   // 粘贴上传图片并插入
-  editor.value.on(`paste`, (cm, e) => {
+  editor.value.on(`paste`, (_cm, e) => {
     if (!(e.clipboardData && e.clipboardData.items) || isImgLoading.value) {
       return
     }
@@ -249,7 +251,7 @@ function initEditor() {
       const item = e.clipboardData.items[i]
       if (item.kind === `file`) {
         // 校验图床参数
-        const pasteFile = item.getAsFile()
+        const pasteFile = item.getAsFile()!
         const isValid = beforeUpload(pasteFile)
         if (!isValid) {
           continue
@@ -263,33 +265,34 @@ function initEditor() {
 const container = ref(null)
 
 // 工具函数，添加格式
-function addFormat(cmd) {
-  editor.value.options.extraKeys[cmd](editor.value)
+function addFormat(cmd: string | number) {
+  (editor.value as any).options.extraKeys[cmd](editor.value)
 }
 
-const codeMirrorWrapper = ref(null)
+const codeMirrorWrapper = ref<ComponentPublicInstance<typeof ElCol> | null>(null)
 
 // 转换 markdown 中的本地图片为线上图片
 // todo 处理事件覆盖
 function mdLocalToRemote() {
-  const dom = codeMirrorWrapper.value.$el
+  const dom = codeMirrorWrapper.value!.$el as HTMLElement
+  console.log(`dom`, dom)
 
   // 上传 md 中的图片
-  const uploadMdImg = async ({ md, list }) => {
+  const uploadMdImg = async ({ md, list }: { md: { str: string, path: string, file: File }, list: { path: string, file: File }[] }) => {
     const mdImgList = [
       ...(md.str.matchAll(/!\[(.*?)\]\((.*?)\)/g) || []),
     ].filter((item) => {
       return item // 获取所有相对地址的图片
     })
-    const root = md.path.match(/.+?\//)[0]
-    const resList = await Promise.all(
+    const root = md.path.match(/.+?\//)![0]
+    const resList = await Promise.all<{ matchStr: string, url: string }>(
       mdImgList.map((item) => {
         return new Promise((resolve) => {
           let [, , matchStr] = item
           matchStr = matchStr.replace(/^.\//, ``) // 处理 ./img/ 为 img/ 统一相对路径风格
           const { file }
                 = list.find(f => f.path === `${root}${matchStr}`) || {}
-          uploadImage(file, (url) => {
+          uploadImage(file!, (url) => {
             resolve({ matchStr, url })
           })
         })
@@ -300,16 +303,16 @@ function mdLocalToRemote() {
         .replace(`](./${item.matchStr})`, `](${item.url})`)
         .replace(`](${item.matchStr})`, `](${item.url})`)
     })
-    editor.value.setValue(md.str)
+    editor.value!.setValue(md.str)
   }
 
   dom.ondragover = evt => evt.preventDefault()
-  dom.ondrop = async (evt) => {
+  dom.ondrop = async (evt: any) => {
     evt.preventDefault()
     for (const item of evt.dataTransfer.items) {
-      item.getAsFileSystemHandle().then(async (handle) => {
+      item.getAsFileSystemHandle().then(async (handle: { kind: string, getFile: () => any }) => {
         if (handle.kind === `directory`) {
-          const list = await showFileStructure(handle)
+          const list = await showFileStructure(handle) as { path: string, file: File }[]
           const md = await getMd({ list })
           uploadMdImg({ md, list })
         }
@@ -322,14 +325,14 @@ function mdLocalToRemote() {
   }
 
   // 从文件列表中查找一个 md 文件并解析
-  async function getMd({ list }) {
-    return new Promise((resolve) => {
-      const { path, file } = list.find(item => item.path.match(/\.md$/))
+  async function getMd({ list }: { list: { path: string, file: File }[] }) {
+    return new Promise<{ str: string, file: File, path: string }>((resolve) => {
+      const { path, file } = list.find(item => item.path.match(/\.md$/))!
       const reader = new FileReader()
-      reader.readAsText(file, `UTF-8`)
+      reader.readAsText(file!, `UTF-8`)
       reader.onload = (evt) => {
         resolve({
-          str: evt.target.result,
+          str: evt.target!.result as string,
           file,
           path,
         })
@@ -338,7 +341,7 @@ function mdLocalToRemote() {
   }
 
   // 转换文件系统句柄中的文件为文件列表
-  async function showFileStructure(root) {
+  async function showFileStructure(root: any) {
     const result = []
     let cwd = ``
     try {
@@ -385,7 +388,7 @@ onMounted(() => {
     />
     <main class="container-main flex-1">
       <el-row class="container-main-section h-full border-1">
-        <el-col
+        <ElCol
           ref="codeMirrorWrapper"
           :span="isShowCssEditor ? 8 : 12"
           class="codeMirror-wrapper border-r-1"
@@ -427,8 +430,8 @@ onMounted(() => {
               </ContextMenuItem>
             </ContextMenuContent>
           </ContextMenu>
-        </el-col>
-        <el-col
+        </ElCol>
+        <ElCol
           id="preview"
           ref="preview"
           :span="isShowCssEditor ? 8 : 12"
@@ -445,7 +448,7 @@ onMounted(() => {
               </div>
             </div>
           </div>
-        </el-col>
+        </ElCol>
         <CssEditor />
       </el-row>
     </main>