diff --git a/waifu-tips.js b/waifu-tips.js
index d2c3165..2d1b2bf 100755
--- a/waifu-tips.js
+++ b/waifu-tips.js
@@ -31,6 +31,28 @@ function loadWidget(config) {
 		document.getElementById("waifu").style.bottom = 0;
 	}, 0);
 
+	function randomSelection(obj) {
+		return Array.isArray(obj) ? obj[Math.floor(Math.random() * obj.length)] : obj;
+	}
+	// 检测用户活动状态，并在空闲时显示消息
+	let userAction = false,
+		userActionTimer,
+		messageTimer,
+		messageArray = ["好久不见，日子过得好快呢……", "大坏蛋！你都多久没理人家了呀，嘤嘤嘤～", "嗨～快来逗我玩吧！", "拿小拳拳锤你胸口！", "记得把小家加入 Adblock 白名单哦！"];
+	window.addEventListener("mousemove", () => userAction = true);
+	window.addEventListener("keydown", () => userAction = true);
+	setInterval(() => {
+		if (userAction) {
+			userAction = false;
+			clearInterval(userActionTimer);
+			userActionTimer = null;
+		} else if (!userActionTimer) {
+			userActionTimer = setInterval(() => {
+				showMessage(randomSelection(messageArray), 6000, 9);
+			}, 20000);
+		}
+	}, 1000);
+
 	(function registerEventListener() {
 		document.querySelector("#waifu-tool .fa-comment").addEventListener("click", showHitokoto);
 		document.querySelector("#waifu-tool .fa-paper-plane").addEventListener("click", () => {
@@ -38,7 +60,7 @@ function loadWidget(config) {
 				if (!window.ASTEROIDSPLAYERS) window.ASTEROIDSPLAYERS = [];
 				window.ASTEROIDSPLAYERS.push(new Asteroids());
 			} else {
-				var script = document.createElement("script");
+				let script = document.createElement("script");
 				script.src = "https://cdn.jsdelivr.net/gh/GalaxyMimi/CDN/asteroids.js";
 				document.head.appendChild(script);
 			}
@@ -62,7 +84,7 @@ function loadWidget(config) {
 				document.getElementById("waifu-toggle").classList.add("waifu-toggle-active");
 			}, 3000);
 		});
-		var devtools = () => {};
+		let devtools = () => {};
 		console.log("%c", devtools);
 		devtools.toString = () => {
 			showMessage("哈哈，你打开了控制台，是想要看看我的小秘密吗？", 6000, 9);
@@ -76,9 +98,9 @@ function loadWidget(config) {
 	})();
 
 	(function welcomeMessage() {
-		var text;
+		let text;
 		if (location.pathname === "/") { // 如果是主页
-			var now = new Date().getHours();
+			let now = new Date().getHours();
 			if (now > 5 && now <= 7) text = "早上好！一日之计在于晨，美好的一天就要开始了。";
 			else if (now > 7 && now <= 11) text = "上午好！工作顺利嘛，不要久坐，多起来走动走动哦！";
 			else if (now > 11 && now <= 13) text = "中午了，工作了一个上午，现在是午餐时间！";
@@ -88,7 +110,7 @@ function loadWidget(config) {
 			else if (now > 21 && now <= 23) text = ["已经这么晚了呀，早点休息吧，晚安～", "深夜时要爱护眼睛呀！"];
 			else text = "你是夜猫子呀？这么晚还不睡觉，明天起的来嘛？";
 		} else if (document.referrer !== "") {
-			var referrer = new URL(document.referrer),
+			let referrer = new URL(document.referrer),
 				domain = referrer.hostname.split(".")[1];
 			if (location.hostname === referrer.hostname) text = `欢迎阅读<span>「${document.title.split(" - ")[0]}」</span>`;
 			else if (domain === "baidu") text = `Hello！来自 百度搜索 的朋友<br>你是搜索 <span>${referrer.search.split("&wd=")[1].split("&")[0]}</span> 找到的我吗？`;
@@ -100,34 +122,13 @@ function loadWidget(config) {
 		}
 		showMessage(text, 7000, 8);
 	})();
-	function randomSelection(obj) {
-		return Array.isArray(obj) ? obj[Math.floor(Math.random() * obj.length)] : obj;
-	}
-	// 检测用户活动状态，并在空闲时显示消息
-	var userAction = false,
-		userActionTimer,
-		messageTimer,
-		messageArray = ["好久不见，日子过得好快呢……", "大坏蛋！你都多久没理人家了呀，嘤嘤嘤～", "嗨～快来逗我玩吧！", "拿小拳拳锤你胸口！", "记得把小家加入 Adblock 白名单哦！"];
-	window.addEventListener("mousemove", () => userAction = true);
-	window.addEventListener("keydown", () => userAction = true);
-	setInterval(() => {
-		if (userAction) {
-			userAction = false;
-			clearInterval(userActionTimer);
-			userActionTimer = null;
-		} else if (!userActionTimer) {
-			userActionTimer = setInterval(() => {
-				showMessage(randomSelection(messageArray), 6000, 9);
-			}, 20000);
-		}
-	}, 1000);
 
 	function showHitokoto() {
 		// 增加 hitokoto.cn 的 API
 		fetch("https://v1.hitokoto.cn")
 			.then(response => response.json())
 			.then(result => {
-				var text = `这句一言来自 <span>「${result.from}」</span>，是 <span>${result.creator}</span> 在 hitokoto.cn 投稿的。`;
+				let text = `这句一言来自 <span>「${result.from}」</span>，是 <span>${result.creator}</span> 在 hitokoto.cn 投稿的。`;
 				showMessage(result.hitokoto, 6000, 9);
 				setTimeout(() => {
 					showMessage(text, 4000, 9);
@@ -136,31 +137,29 @@ function loadWidget(config) {
 	}
 
 	function showMessage(text, timeout, priority) {
-		if (!text) return;
-		if (!sessionStorage.getItem("waifu-text") || sessionStorage.getItem("waifu-text") <= priority) {
-			if (messageTimer) {
-				clearTimeout(messageTimer);
-				messageTimer = null;
-			}
-			text = randomSelection(text);
-			sessionStorage.setItem("waifu-text", priority);
-			var tips = document.getElementById("waifu-tips");
-			tips.innerHTML = text;
-			tips.classList.add("waifu-tips-active");
-			messageTimer = setTimeout(() => {
-				sessionStorage.removeItem("waifu-text");
-				tips.classList.remove("waifu-tips-active");
-			}, timeout);
+		if (!text || (sessionStorage.getItem("waifu-text") && sessionStorage.getItem("waifu-text") > priority)) return;
+		if (messageTimer) {
+			clearTimeout(messageTimer);
+			messageTimer = null;
 		}
+		text = randomSelection(text);
+		sessionStorage.setItem("waifu-text", priority);
+		let tips = document.getElementById("waifu-tips");
+		tips.innerHTML = text;
+		tips.classList.add("waifu-tips-active");
+		messageTimer = setTimeout(() => {
+			sessionStorage.removeItem("waifu-text");
+			tips.classList.remove("waifu-tips-active");
+		}, timeout);
 	}
 
 	(function initModel() {
-		var modelId = localStorage.getItem("modelId"),
+		let modelId = localStorage.getItem("modelId"),
 			modelTexturesId = localStorage.getItem("modelTexturesId");
 		if (modelId === null) {
 			// 首次访问加载 指定模型 的 指定材质
-			var modelId = 1, // 模型 ID
-				modelTexturesId = 53; // 材质 ID
+			modelId = 1; // 模型 ID
+			modelTexturesId = 53; // 材质 ID
 		}
 		loadModel(modelId, modelTexturesId);
 		fetch(waifuPath)
@@ -169,7 +168,7 @@ function loadWidget(config) {
 				result.mouseover.forEach(tips => {
 					window.addEventListener("mouseover", event => {
 						if (!event.target.matches(tips.selector)) return;
-						var text = randomSelection(tips.text);
+						let text = randomSelection(tips.text);
 						text = text.replace("{text}", event.target.innerText);
 						showMessage(text, 4000, 8);
 					});
@@ -177,17 +176,17 @@ function loadWidget(config) {
 				result.click.forEach(tips => {
 					window.addEventListener("click", event => {
 						if (!event.target.matches(tips.selector)) return;
-						var text = randomSelection(tips.text);
+						let text = randomSelection(tips.text);
 						text = text.replace("{text}", event.target.innerText);
 						showMessage(text, 4000, 8);
 					});
 				});
 				result.seasons.forEach(tips => {
-					var now = new Date(),
+					let now = new Date(),
 						after = tips.date.split("-")[0],
 						before = tips.date.split("-")[1] || after;
 					if ((after.split("/")[0] <= now.getMonth() + 1 && now.getMonth() + 1 <= before.split("/")[0]) && (after.split("/")[1] <= now.getDate() && now.getDate() <= before.split("/")[1])) {
-						var text = randomSelection(tips.text);
+						let text = randomSelection(tips.text);
 						text = text.replace("{year}", now.getFullYear());
 						//showMessage(text, 7000, true);
 						messageArray.push(text);
@@ -217,7 +216,7 @@ function loadWidget(config) {
 	}
 
 	async function loadRandModel() {
-		var modelId = localStorage.getItem("modelId"),
+		let modelId = localStorage.getItem("modelId"),
 			modelTexturesId = localStorage.getItem("modelTexturesId");
 		if (useCDN) {
 			if (!modelList) await loadModelList();
@@ -236,7 +235,7 @@ function loadWidget(config) {
 	}
 
 	async function loadOtherModel() {
-		var modelId = localStorage.getItem("modelId");
+		let modelId = localStorage.getItem("modelId");
 		if (useCDN) {
 			if (!modelList) await loadModelList();
 			let index = (++modelId >= modelList.models.length) ? 0 : modelId;
@@ -261,7 +260,7 @@ function initWidget(config, apiPath = "/") {
 	document.body.insertAdjacentHTML("beforeend", `<div id="waifu-toggle">
 			<span>看板娘</span>
 		</div>`);
-	var toggle = document.getElementById("waifu-toggle");
+	let toggle = document.getElementById("waifu-toggle");
 	toggle.addEventListener("click", () => {
 		toggle.classList.remove("waifu-toggle-active");
 		if (toggle.getAttribute("first-time")) {