diff --git a/main.js b/main.js
deleted file mode 100644
index 9a7939e..0000000
--- a/main.js
+++ /dev/null
@@ -1,292 +0,0 @@
-const { PluginSettingTab, Setting, Plugin, debounce } = require('obsidian');
-// 设置默认值
-const DEFAULT_SETTINGS = {
-	defaultFolder: '',//default folder
-	transTime: 1000,//fade out-in time
-	changeTime: 120000,//change time default 20 min
-	opacity: 0.9,
-	whetherrandom: false,
-};
-
-// 设置面板
-class MySettingTab extends PluginSettingTab {
-	constructor(app, plugin) {
-		super(app, plugin);
-		this.plugin = plugin;
-	}
-
-	display() {
-		const { containerEl } = this;
-		containerEl.empty();
-
-		// set defaultFolder
-		new Setting(containerEl)
-			.setName('Set your Background defaultFolder')
-			.addText(
-				(text) => text
-					.setPlaceholder(`a relative path starting from your vault
-						Example: images/backgrounds`)
-					.setValue(this.plugin.settings.defaultFolder)
-					.onChange(debounce(async (value) => {
-						this.plugin.settings.defaultFolder = value;
-						await this.plugin.saveSettings();
-						this.plugin.updateImageList();
-					}, 500))
-			);
-
-		// whether random
-		new Setting(containerEl)
-			.setName("Random play")
-			.setDesc("Toggle random background playback")
-			.addToggle(
-				(toggle) => toggle
-					.setValue(this.plugin.settings.whetherrandom) // 根据当前设置初始化开关状态
-					.onChange(async (value) => {
-						this.plugin.settings.whetherrandom = value ? 1 : 0; // 更新设置值
-						await this.plugin.saveSettings(); // 保存设置
-					})
-			);
-
-
-		// set changeTime
-		new Setting(containerEl)
-			.setName('Set the change time(min)')
-			.addText(
-				(text) => text
-					.setPlaceholder('change time(min)')
-					.setValue((this.plugin.settings.changeTime / 60000.0).toString())
-					.onChange(debounce(async (value) => {
-						this.plugin.settings.changeTime = value * 60000;
-						await this.plugin.saveSettings();
-					}, 500)
-					) // 设置防抖延迟时间为 500 毫秒
-			);
-
-		// set opacity
-		new Setting(containerEl)
-			.setName('Set the opacity')
-			.addText(
-				(text) => text
-					.setPlaceholder('0.1 - 1')
-					.setValue(this.plugin.settings.opacity.toString())
-					.onChange(debounce(async (value) => {
-						if (value < 0.1 || value > 1) return;
-						this.plugin.settings.opacity = value;
-						const body = document.body;
-						if (body.classList.contains('active')) {
-							body.style.opacity = value; // 动态更新 body 的透明度
-						}
-					}, 500)
-					)
-			);
-
-		// set transTime
-		new Setting(containerEl)
-			.setName('Set the fade out-in time(ms)')
-			.addText(
-				(text) => text
-					.setPlaceholder('fade out-in time(ms)')
-					.setValue(this.plugin.settings.transTime.toString())
-					.onChange(debounce(async (value) => {
-						this.plugin.settings.transTime = value;
-						await this.plugin.saveSettings();
-					}, 300, true))
-			);
-
-		// random background
-		new Setting(containerEl)
-			.setName('Apply random Background')
-			.addButton(
-				(button) => button
-					.setButtonText('Apply Background')
-					.onClick(() => {
-						this.plugin.setRandomBackground();
-					})
-			);
-
-		// 设置删除按钮
-		new Setting(containerEl)
-			.setName('Delete Background')
-			.addButton(
-				(button) => button
-					.setButtonText('Delete Background')
-					.onClick(() => {
-						this.plugin.deleteBackground();
-					})
-			);
-
-		// 显示图片编号（以网格形式排列）
-		const imageListContainer = containerEl.createEl('div', { cls: 'image-grid' });
-
-		globalThis.imageAdressList.forEach((imagePath, index) => {
-			const imgContainer = imageListContainer.createDiv({ cls: 'image-item' });
-
-			// 添加缩略图
-			const thumbnail = imgContainer.createEl('img');
-			thumbnail.src = imagePath; // 使用图片路径
-			thumbnail.style.maxWidth = '100px';  // 控制缩略图最大宽度
-			thumbnail.style.maxHeight = '100px'; // 控制缩略图最大高度
-			thumbnail.style.objectFit = 'cover'; // 保持图片比例裁剪
-
-			// 设置背景按钮
-			const setBackgroundButton = imgContainer.createEl('button', { text: 'Set as Background' });
-			setBackgroundButton.style.marginTop = '5px';
-			setBackgroundButton.addEventListener('click', () => {
-				this.plugin.setOrderedBackground(index);
-			});
-		});
-
-	}
-}
-
-// 主插件类
-module.exports = class MyPlugin extends Plugin {
-	async onload() {
-		globalThis.imageAdressList = [];
-		await this.loadSettings();
-		this.app.workspace.onLayoutReady(() => {
-			this.addSettingTab(new MySettingTab(this.app, this));
-			this.setRandomBackground();
-		});
-	}
-
-	onunload() {
-		this.deleteBackground();
-		delete globalThis.imageAdressList;
-	}
-
-	async loadSettings() {
-		this.settings = Object.assign({}, DEFAULT_SETTINGS, await this.loadData());
-	}
-
-	async saveSettings() {
-		await this.saveData(this.settings);
-	}
-
-	// 更新图片列表，扫描 images 文件夹并获取所有图片的路径
-	async updateImageList() {
-		const folder = this.app.vault.getFolderByPath(this.settings.defaultFolder);
-
-		// 检查文件夹是否存在
-		if (!folder) {
-			console.warn('Folder not found:', this.settings.defaultFolder);
-			return;
-		}
-
-		// 扫描文件夹并更新图片列表
-		globalThis.imageAdressList = folder.children
-			.filter((file) => file.extension === 'png' || file.extension === 'jpg' || file.extension === 'jpeg')
-			.map((file) => this.app.vault.getResourcePath(file));
-	}
-
-	async deleteBackground() {
-		const styleElement = document.getElementById('background-style');
-		const body = document.body;
-		if (styleElement) {
-			// 触发淡出效果
-			if (body.classList.contains('active'))
-				body.classList.remove('active');
-			// 等待淡出完成后，移除样式
-			body.addEventListener('transitionend', () => {
-				styleElement.remove();
-				document.body.style.backgroundImage = 'none';
-			}, { once: true });
-		}
-		// 清除定时器
-		if (this.backgroundChangeInterval) {
-			clearInterval(this.backgroundChangeInterval);
-		}
-	}
-
-	async setBackground(index) {
-		const imageUrl = globalThis.imageAdressList[index];
-		let styleElement = document.getElementById('background-style');
-
-		if (!styleElement) {
-			// 创建样式元素
-			styleElement = document.createElement('style');
-			styleElement.id = 'background-style';
-			styleElement.textContent = `
-				body {
-					transition: opacity ${this.settings.transTime / 1000}s;
-					background-size: cover;
-					background-position: center;
-				}
-				body.active {
-					opacity: ${this.settings.opacity};
-				}
-			`;
-			document.head.appendChild(styleElement);
-
-			// 添加 active 类以淡入背景
-			document.body.style.backgroundImage = `url("${imageUrl}")`;
-			document.body.classList.add('active');
-		} else {
-			// 触发背景切换
-			const body = document.body;
-
-			if (body.classList.contains('active')) {
-				// 已有背景时，先淡出当前背景
-				body.classList.remove('active');
-
-				// 等待淡出完成后切换背景
-				body.addEventListener('transitionend', () => {
-					body.style.backgroundImage = `url("${imageUrl}")`;
-					body.classList.add('active');
-				});
-			} else {
-				// 如果没有背景，直接淡入新背景
-				body.style.backgroundImage = `url("${imageUrl}")`;
-				body.classList.add('active');
-			}
-		}
-	}
-
-	async setRandomBackground() {
-		this.updateImageList();
-		let len = globalThis.imageAdressList.length;
-		if (len === 0) {
-			console.warn('No images available in the URL list.');
-			return;
-		}
-
-		const apply = async () => {//sb,funtion is diff form =>
-			const randomIndex = Math.floor(Math.random() * len);
-			await this.setBackground(randomIndex);
-		};
-		apply();
-		// 如果 `changeTime` 已设定，定时更换背景
-		if (this.settings.changeTime > 0) {
-			// 清除旧的定时器
-			if (this.backgroundChangeInterval) 
-				clearInterval(this.backgroundChange)
-			// 设置新的定时器
-			this.backgroundChangeInterval = setInterval((() => {
-				apply();
-			}), this.settings.changeTime);
-			// use IIFE to immediate invoke the function
-		}
-	}
-
-	async setOrderedBackground(index) {
-		this.updateImageList();
-		let len = globalThis.imageAdressList.length;
-		if (len === 0) {
-			console.warn('No images available in the URL list.');
-			return;
-		}
-		const apply = async () => {//sb,funtion is diff form =>
-			await this.setBackground(index++ % len);
-		}; apply();
-		// 如果 `changeTime` 已设定，定时更换背景
-		if (this.settings.changeTime > 0) {
-			// 清除旧的定时器
-			if (this.backgroundChangeInterval) 
-				clearInterval(this.backgroundChange)
-			// 设置新的定时器
-			this.backgroundChangeInterval = setInterval(() => {
-				apply();
-			}, this.settings.changeTime);
-		}
-	}
-};