diff --git a/src/App.vue b/src/App.vue
index c9d1739..31cb4b0 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -12,11 +12,8 @@
             </template>
             <template #right>
                 <div ref="splitRight" class="split-right">
-                    <MarkdownEditor ref="markdownRef" width="100%" height="100%" :autoInit="false"
-                        :markdownCode="markdownCode" :imageUpload="true" :imageUploadURL="imageUploadURLOfEditor"
-                        :imageUploadURLChange="changeImageUploadURL" :onload="reloadEditorHeight"
-                        :onFullScreenExit="handleWindowResize" @update:markdownCode="newCode => markdownCode = newCode"
-                        :appendToolbar="appendToolbar" />
+                    <MainEditor ref="mainEditor" v-model:markdownCode="markdownCode" :save="writeFileContent">
+                    </MainEditor>
                 </div>
             </template>
         </Split>
@@ -24,8 +21,8 @@
 </template>
 
 <script setup>
-import MarkdownEditor from './components/MarkdownEditor.vue'
 import LeftSidebar from './components/LeftSidebar.vue'
+import MainEditor from './components/MainEditor.vue'
 import { ref, watch, useTemplateRef, onMounted, onUnmounted } from "vue";
 import { invoke } from "@tauri-apps/api/core";
 import { readTextFile, writeTextFile, exists } from '@tauri-apps/plugin-fs';
@@ -57,7 +54,7 @@ watch(split, (newSplit) => {
     }
 
     // 动态调整 MarkdownEditor 的宽度。如果不执行 reset 的话，CodeMirror 内部编辑器不会自适应宽度
-    reloadEditorWidth()
+    mainEditor.value.resizeEditorWindow();
 })
 
 // 监听根目录路径。如果之前已经选过目录，初始界面直接加载该目录
@@ -74,80 +71,21 @@ watch(currentFilePath, async (newFilePath) => {
     await readFileContent(newFilePath);
 })
 
-// 加载 Markdown 编辑器
-const markdownRef = ref(null);
+const mainEditor = ref(null);
 const markdownCode = ref("# Hello Markdown");
-const appendToolbar = [
-    {
-        name: "|",
-    },
-    {
-        name: "save-markdown-code",
-        icon: "fa-save", // font-awesome icon. 需确保在 editormd.css 中已定义
-        title: "保存当前内容",
-        shortcut: [
-            navigator.userAgent.toUpperCase().indexOf('MAC') >= 0 ? "Cmd-S" : "Ctrl-S"
-        ],
-        handler: () => {
-            writeFileContent();
-        },
-        nofocus: true,
-    },
-    {
-        name: "publish",
-        icon: "fa-cloud-upload",
-        title: "发布文章",
-        handler: () => {
-            // TODO 调用接口将 markdown 源码或者 HTML 代码发布到云端
-            Message.warning('抱歉，该功能暂未开放');
-        },
-        nofocus: true,
-    },
-];
-// 支持从 localStorage 读写 imageUploadURL
-const imageUploadURLOfEditor = ref(localStorage.getItem('imageUploadURLOfEditor') || "");
-function changeImageUploadURL(newImageUploadURL) {
-    console.log("new imageUploadURL: ", newImageUploadURL);
-    localStorage.setItem('imageUploadURLOfEditor', newImageUploadURL);
-}
-async function initMarkdownEditor() {
-    // 打开上一次选择的文件的内容
-    if (currentFilePath.value.length > 0) {
-        try {
-            markdownCode.value = await readTextFile(currentFilePath.value);
-            Message.success('已读取文件内容，并加载到编辑器中:' + currentFilePath.value);
-        } catch (err) {
-            Message.error('文件读取失败:' + err);
-        }
-    }
-    markdownRef.value.initEditor()
-}
-// 矫正 markdown 编辑器的高度
-function reloadEditorHeight() {
-    markdownRef.value.resetHeight(window.innerHeight);
-}
-// 矫正 markdown 编辑器的宽度
-function reloadEditorWidth() {
-    // 可以使用 splitRight.value.offsetWidth 也可以使用 100% 来调整
-    const width = splitRight.value.offsetWidth;
-    markdownRef.value.resetWidth("100%");
-}
-// 监听页面宽度和高度，调整 markdown 编辑器的高宽度
-const handleWindowResize = () => {
-    reloadEditorHeight();
-    reloadEditorWidth();
-}
-
+watch(markdownCode, (newMarkdownCode) => {
+    console.log("code be updated");
+})
 async function readFileContent(filePath) {
     try {
-        markdownRef.value.setMarkdownCode(await readTextFile(filePath));
+        mainEditor.value.setMarkdownCode(await readTextFile(filePath));
         currentFilePath.value = filePath;
         Message.success('已读取文件内容，并加载到编辑器中:' + filePath);
     } catch (err) {
         Message.error('文件读取失败:' + err);
     }
 }
-async function writeFileContent() {
+async function writeFileContent(markdownCode) {
     // 如果未选择任何文件，则不触发写文件事件
     if (currentFilePath.value.length == 0) {
         Message.warning('当前编辑器暂未关联目标文件，请在左侧打开目录并选择一个文件')
@@ -158,20 +96,29 @@ async function writeFileContent() {
         if (!exist) {
             throw new Error(currentFilePath.value + " 文件不存在.");
         }
-        await writeTextFile(currentFilePath.value, markdownRef.value.getMarkdownCode())
+        await writeTextFile(currentFilePath.value, markdownCode)
         Message.success('文件更新成功:' + currentFilePath.value);
     } catch (err) {
         Message.error('文件更新失败:' + err);
     }
 }
-
-onMounted(() => {
-    window.addEventListener('resize', handleWindowResize);
-    initMarkdownEditor();
-})
+onMounted(async () => {
+    // 监听页面宽度和高度，调整 markdown 编辑器的高宽度
+    window.addEventListener('resize', mainEditor.value.resizeEditorWindow);
+    // 打开上一次选择的文件的内容
+    if (currentFilePath.value.length > 0) {
+        try {
+            markdownCode.value = await readTextFile(currentFilePath.value);
+            Message.success('已读取文件内容，并加载到编辑器中:' + currentFilePath.value);
+        } catch (err) {
+            Message.error('文件读取失败:' + err);
+        }
+    }
+    mainEditor.value.initMarkdownEditor();
+});
 onUnmounted(() => {
-    window.removeEventListener('resize', handleWindowResize);
-})
+    window.removeEventListener('resize', mainEditor.value.resizeEditorWindow);
+});
 </script>
 
 <style scoped>
diff --git a/src/components/LeftSidebar.vue b/src/components/LeftSidebar.vue
index 272fcb0..cca2824 100644
--- a/src/components/LeftSidebar.vue
+++ b/src/components/LeftSidebar.vue
@@ -6,8 +6,8 @@
 </template>
 
 <script setup>
-import SelectFolder from './SelectFolder.vue';
-import FolderTree from './FolderTree.vue';
+import SelectFolder from './UI/SelectFolder.vue';
+import FolderTree from './UI/FolderTree.vue';
 import { ref } from 'vue';
 import { mkdir, remove, create, exists, rename } from '@tauri-apps/plugin-fs';
 import { Message } from 'view-ui-plus'
diff --git a/src/components/MainEditor.vue b/src/components/MainEditor.vue
new file mode 100644
index 0000000..ebd7b6e
--- /dev/null
+++ b/src/components/MainEditor.vue
@@ -0,0 +1,119 @@
+<template>
+    <MarkdownEditor ref="markdownRef" width="100%" height="100%" :appendToolbar="appendToolbar"
+        :autoInit="false" :markdownCode="markdownCode" @update:markdownCode="updateMarkdownCode"
+        :imageUpload="true" :imageUploadURL="imageUploadURLOfEditor" :imageUploadURLChange="changeImageUploadURL"
+        :onload="reloadEditorHeight" :onFullScreenExit="resizeEditorWindow" />
+</template>
+
+<script setup>
+import MarkdownEditor from './UI/MarkdownEditor.vue';
+import { ref } from "vue";
+import { Message } from 'view-ui-plus'
+
+const props = defineProps({
+    markdownCode: {
+        type: String,
+        required: false,
+        default: ''
+    },
+    save: {
+        type: Function,
+        required: false,
+        default: (markdownCode) => {
+            console.log("save markdown code: " + markdownCode);
+        }
+    },
+});
+
+const emit = defineEmits([
+    'update:markdownCode',
+]);
+
+// 加载 Markdown 编辑器
+const markdownRef = ref(null);
+const initMarkdownEditor = () => {
+    markdownRef.value.initEditor();
+}
+const getMarkdownCode = () => {
+    return markdownRef.value.getMarkdownCode();
+}
+const setMarkdownCode = (newMarkdownCode) => {
+    return markdownRef.value.setMarkdownCode(newMarkdownCode);
+}
+const updateMarkdownCode = (newMarkdownCode) => {
+    emit('update:markdownCode', newMarkdownCode); // 触发双向绑定更新
+}
+
+// 支持从 localStorage 读写 imageUploadURL
+const imageUploadURLOfEditor = ref(localStorage.getItem('imageUploadURLOfEditor') || "");
+function changeImageUploadURL(newImageUploadURL) {
+    console.log("new imageUploadURL: ", newImageUploadURL);
+    localStorage.setItem('imageUploadURLOfEditor', newImageUploadURL);
+}
+
+function copyToClipboard(text) {
+    navigator.clipboard.writeText(text)
+        .then(() => Message.success('复制成功'))
+        .catch(err => Message.error('复制失败:', err));
+}
+const appendToolbar = [
+    {
+        name: "|",
+    },
+    {
+        name: "save-markdown-code",
+        icon: "fa-save", // font-awesome icon. 需确保在 editormd.css 中已定义
+        title: "保存当前内容",
+        shortcut: [
+            navigator.userAgent.toUpperCase().indexOf('MAC') >= 0 ? "Cmd-S" : "Ctrl-S"
+        ],
+        handler: () => {
+            props.save(markdownRef.value.getMarkdownCode());
+        },
+        nofocus: true,
+    },
+    {
+        name: "get-html-code",
+        icon: "fa-copy", // font-awesome icon. 需确保在 editormd.css 中已定义
+        title: "获取 HTML 代码（复制到粘贴板）",
+        handler: () => {
+            copyToClipboard(markdownRef.value.getPreviewedHTML())
+        },
+        nofocus: true,
+    },
+    {
+        name: "publish",
+        icon: "fa-cloud-upload",
+        title: "发布文章",
+        handler: () => {
+            // TODO 调用接口将 markdown 源码或者 HTML 代码发布到云端
+            Message.warning('抱歉，该功能暂未开放');
+        },
+        nofocus: true,
+    },
+];
+
+// 矫正 markdown 编辑器的高度
+function reloadEditorHeight() {
+    markdownRef.value.resetHeight(window.innerHeight);
+}
+// 矫正 markdown 编辑器的宽度
+function reloadEditorWidth() {
+    // 可以使用 splitRight.value.offsetWidth 也可以使用 100% 来调整
+    // const width = splitRight.value.offsetWidth;
+    markdownRef.value.resetWidth("100%");
+}
+// 监听页面宽度和高度，调整 markdown 编辑器的高宽度
+const resizeEditorWindow = () => {
+    reloadEditorHeight();
+    reloadEditorWidth();
+}
+
+// 对父组件暴露数据或方法
+defineExpose({
+    initMarkdownEditor,
+    getMarkdownCode,
+    setMarkdownCode,
+    resizeEditorWindow,
+})
+</script>
\ No newline at end of file
diff --git a/src/components/FolderTree.vue b/src/components/UI/FolderTree.vue
similarity index 100%
rename from src/components/FolderTree.vue
rename to src/components/UI/FolderTree.vue
diff --git a/src/components/MarkdownEditor.vue b/src/components/UI/MarkdownEditor.vue
similarity index 100%
rename from src/components/MarkdownEditor.vue
rename to src/components/UI/MarkdownEditor.vue
diff --git a/src/components/SelectFolder.vue b/src/components/UI/SelectFolder.vue
similarity index 100%
rename from src/components/SelectFolder.vue
rename to src/components/UI/SelectFolder.vue