diff --git a/src/App.vue b/src/App.vue
index e08af9b..33380a2 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -79,7 +79,12 @@ watch(markdownCode, (newMarkdownCode) => {
 })
 async function readFileContent(filePath) {
     try {
-        const fileContent = await readTextFile(filePath);
+        let fileContent = '';
+        if (window.__TAURI_INTERNALS__ === undefined) {
+            fileContent = "# this is " + filePath;
+        } else {
+            fileContent = await readTextFile(filePath);
+        }
         if (mainEditor.value.isEditorLoadingCompleted()) {
             mainEditor.value.setMarkdownCode(fileContent);
         } else {
@@ -98,11 +103,16 @@ async function writeFileContent(markdownCode) {
         return;
     }
     try {
-        const exist = await exists(currentFilePath.value);
-        if (!exist) {
-            throw new Error(currentFilePath.value + " 文件不存在.");
+        if (window.__TAURI_INTERNALS__ === undefined) {
+            // TODO 调用接口更新 currentFilePath 文件内容
+            Message.warning('暂未实现接口');
+        } else {
+            const exist = await exists(currentFilePath.value);
+            if (!exist) {
+                throw new Error(currentFilePath.value + " 文件不存在.");
+            }
+            await writeTextFile(currentFilePath.value, markdownCode);
         }
-        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);
diff --git a/src/components/UI/SelectFolder.vue b/src/components/UI/SelectFolder.vue
index 6ce10be..57a5aed 100644
--- a/src/components/UI/SelectFolder.vue
+++ b/src/components/UI/SelectFolder.vue
@@ -65,6 +65,13 @@ export default {
             }
         },
         async selectFolder() {
+            if (window.__TAURI_INTERNALS__ === undefined) {
+                // TODO 请求后端接口，选择目录
+                // 告诉父组件，rootPath 的值已变化
+                this.$emit('update:rootPath', '/root')
+                await this.exposeTreeData('/root')
+                return;
+            }
             const folderPath = await open(
                 {
                     filters: [{ name: 'All Files', extensions: ['.'] }],
@@ -79,6 +86,26 @@ export default {
         },
         // 遍历文件夹，返回文件树
         async readDirRecursively(folderPath) {
+            if (window.__TAURI_INTERNALS__ === undefined) {
+                // TODO 请求后端接口，获取目录树
+                const folderTreeData = {
+                    "path": folderPath,
+                    "name": folderPath.split('/').pop(),
+                    "nodes": [{
+                        "path": '/root/test.md',
+                        "name": 'test.md',
+                        "suffix": "md",
+                        "directory": false,
+                    },{
+                        "path": '/root/test1.md',
+                        "name": 'test1.md',
+                        "suffix": "md",
+                        "directory": false,
+                    }],
+                    "directory": true,
+                }
+                return folderTreeData;
+            }
             // 拼接得到当前文件夹路径
             let folderTreeNode = {
                 "path": folderPath,