diff --git a/demo/login.html b/demo/login.html
index dc8682e..ddb9dfa 100755
--- a/demo/login.html
+++ b/demo/login.html
@@ -56,7 +56,7 @@ body {
 	margin-bottom: 20px;
 	border-radius: 20px;
 }
-#stage a {
+#stage button {
 	position: absolute;
 	width: 2em;
 	height: 2em;
@@ -134,8 +134,8 @@ body {
 			</div>
 			<canvas class="mb-4" id="live2d" width="800" height="800"></canvas>
 		</div>
-		<a id="info" href="javascript:info()"><i class="fa fa-lg fa-info"></i></a>
-		<a id="refresh" href="javascript:refresh()"><i class="fa fa-lg fa-refresh"></i></a>
+		<button class="btn btn-link" id="info"><i class="fa fa-lg fa-info"></i></button>
+		<button class="btn btn-link" id="refresh"><i class="fa fa-lg fa-refresh"></i></button>
 	</div>
 	<h1 class="h3 mb-3 fw-normal">看板娘登陆平台</h1>
 	<label for="room" class="sr-only">用户名</label>
@@ -178,7 +178,8 @@ window.addEventListener("load", () => {
 		return;
 	}
 
-	let apiPath = "https://live2d.fghrsh.net/api", state = 0,
+	const apiPath = "https://live2d.fghrsh.net/api";
+	let state = 0, loading = false,
 		modelId = localStorage.getItem("modelId"),
 		modelTexturesId = localStorage.getItem("modelTexturesId");
 	if (modelId === null) {
@@ -209,7 +210,7 @@ window.addEventListener("load", () => {
 				setTimeout(() => {
 					state = 2;
 					coverPosition("80%");
-					document.getElementById("refresh").setAttribute("href", "javascript:refresh()");
+					loading = false;
 				}, 1000);
 			});
 	}
@@ -227,20 +228,21 @@ window.addEventListener("load", () => {
 		document.getElementById("cover").style.bottom = pos;
 	}
 
-	window.info = function() {
+	document.getElementById("info").addEventListener("click", () => {
 		fetch("https://v1.hitokoto.cn")
 			.then(response => response.json())
 			.then(result => {
 				alert("「" + result.hitokoto + "」——" + result.from);
 			});
-	};
+	});
 
-	window.refresh = function() {
+	document.getElementById("refresh").addEventListener("click", () => {
+		if (loading) return;
 		state = 0;
 		coverPosition("10%");
-		document.getElementById("refresh").setAttribute("href", "javascript:void(0)");
+		loading = true;
 		setTimeout(loadRandModel, 1000);
-	};
+	});
 
 	document.getElementById("handle").addEventListener("click", () => {
 		if (state === 1) {
diff --git a/waifu-tips.json b/waifu-tips.json
index 78eab55..d05f2ed 100755
--- a/waifu-tips.json
+++ b/waifu-tips.json
@@ -1,6 +1,6 @@
 {
 	"mouseover": [{
-		"selector": "#waifu #live2d",
+		"selector": "#live2d",
 		"text": ["干嘛呢你，快把手拿开～～", "鼠…鼠标放错地方了！", "你要干嘛呀？", "喵喵喵？", "怕怕(ノ≧∇≦)ノ", "非礼呀！救命！", "这样的话，只能使用武力了！", "我要生气了哦", "不要动手动脚的！", "真…真的是不知羞耻！", "Hentai！"]
 	}, {
 		"selector": "#waifu-tool .fa-comment",
@@ -63,7 +63,7 @@
 		"selector": ".links-of-author",
 		"text": ["这里是主人的常驻地址哦。", "这里有主人的联系方式！"]
 	}, {
-		"selector": "#qrcode",
+		"selector": ".followme",
 		"text": ["手机扫一下就能继续看，很方便呢～", "扫一扫，打开新世界的大门！"]
 	}, {
 		"selector": ".fancybox img, img.medium-zoom-image",
@@ -175,7 +175,7 @@
 		"text": ["哇，快看看这个精彩评论！", "如果有疑问，请尽快留言哦～"]
 	}],
 	"click": [{
-		"selector": "#waifu #live2d",
+		"selector": "#live2d",
 		"text": ["是…是不小心碰到了吧…", "萝莉控是什么呀？", "你看到我的小熊了吗？", "再摸的话我可要报警了！⌇●﹏●⌇", "110 吗，这里有个变态一直在摸我(ó﹏ò｡)", "不要摸我了，我会告诉老婆来打你的！", "干嘛动我呀！小心我咬你！", "别摸我，有什么好摸的！"]
 	}, {
 		"selector": ".veditor",
diff --git a/waifu.css b/waifu.css
index 293e492..a61d744 100755
--- a/waifu.css
+++ b/waifu.css
@@ -66,14 +66,14 @@
 	color: #0099cc;
 }
 
-#waifu #live2d {
+#live2d {
 	cursor: grab;
 	height: 300px;
 	position: relative;
 	width: 300px;
 }
 
-#waifu #live2d:active {
+#live2d:active {
 	cursor: grabbing;
 }