diff --git a/api/api-web.php b/api/api-web.php
index ce1f271..f2143a5 100644
--- a/api/api-web.php
+++ b/api/api-web.php
@@ -47,7 +47,8 @@ if (isset($_POST['delDir'])) {
 	<div class="alert alert-primary">
 		<h3 style="text-align:center">EasyImage2.0 快捷操作中心</h2>
 			<hr />
-			<h5>此页面为常用一键操作，目录保存以 年/月/日/ 递进，非必要请勿修改！否则会导致部分操作不可用。</h4>
+			<h5>此页面为常用一键操作，目录保存以 年/月/日/ 递进，非必要请勿修改！否则会导致部分操作不可用。</h5>
+			<h5>当前版本：<?php echo $config['version'] ?></h5>
 	</div>
 </div>
 <div class="col-md-12">
@@ -159,7 +160,7 @@ if (isset($_POST['delDir'])) {
 					<label for="exampleInputInviteCode1" style="color:red">删除所选日期文件夹（删除之后无法恢复！）：</label>
 					<input type="text" class="form-control form-date" name="delDir" value="2021/05/22/" readonly="">
 				</div>
-				<button type="submit" class="btn btn-mini btn-danger">删除目录</button>
+				<button type="submit" class="btn btn-mini btn-danger" onClick="delcfm()">删除目录</button>
 			</form>
 		</div>
 
@@ -170,6 +171,7 @@ if (isset($_POST['delDir'])) {
 <link href="../public/static/zui/lib/datetimepicker/datetimepicker.min.css" rel="stylesheet">
 <script src="../public/static/zui/lib/datetimepicker/datetimepicker.min.js"></script>
 <script>
+	// 动态显示要删除的图片
 	var oBtn = document.getElementById('del');
 	var oTi = document.getElementById('title');
 	if ('oninput' in oBtn) {
@@ -181,7 +183,6 @@ if (isset($_POST['delDir'])) {
 	function getWord() {
 		var delimgurl = document.getElementById("delimgurl");
 		delimgurl.innerHTML += '<img src="' + oBtn.value + '" width="200" class="img-rounded" /><br />';
-		//oTi.innerHTML = '<img src="' + oBtn.value + '" width="200" class="img-rounded" /><br />';
 	}
 
 	// 仅选择日期
@@ -196,7 +197,15 @@ if (isset($_POST['delDir'])) {
 		format: "yyyy/mm/dd/"
 	});
 
+	// Title
 	document.title = "管理中心 - <?php echo $config['title']; ?>";
+
+	// 删除目录确认
+	function delcfm() {
+		if (!confirm("确认要删除？\n* 删除文件夹后将无法恢复！")) {
+			window.event.returnValue = false;
+		}
+	}
 </script>
 
 <?php require_once APP_ROOT . '/libs/footer.php';
diff --git a/libs/function.php b/libs/function.php
index f020095..c925e32 100644
--- a/libs/function.php
+++ b/libs/function.php
@@ -472,7 +472,7 @@ function getVersion()
 			} elseif ($config['version'] == $getVersion->readJson()) { // 版本相同不提示
 				return null;
 			} else { // 返回版本
-				return ':' . $getVersion->readJson();
+				return '：' . $getVersion->readJson();
 			}
 		}
 	} else {
diff --git a/libs/list.php b/libs/list.php
index a99b33c..0b827e7 100644
--- a/libs/list.php
+++ b/libs/list.php
@@ -10,9 +10,9 @@ if ($config['showSwitch']) {
 	if ($fileArr[0]) {
 		foreach ($fileArr as $key => $value) {
 			if ($key < $keyNum) {
-				$boxImg = $config['domain'] . config_path($path) . $value;
+				$boxImg = $config['imgurl'] . config_path($path) . $value;
 				echo '<div class="col-md-4 col-sm-6 col-lg-3"><div class="card listNum">
-			   <img data-toggle="lightbox"  data-image="' . $boxImg . '" src="../public/images/Eclipse-1s-200px.svg" class="img-thumbnail" alt="简单图床-EasyImage" >
+			   <img data-toggle="lightbox"  data-image="' . $boxImg . '" src="../public/images/loading.svg" class="img-thumbnail" alt="简单图床-EasyImage" >
 					<a href="' . $boxImg . '" target="_blank">		
 						<div class="pull-left" style="margin-top:5px;">
 						<span class="label label-success">打开原图</span>
@@ -70,27 +70,122 @@ $httpUrl = array(
 	</div>
 </div>
 <!-- 返回顶部 -->
-<p id="back-top" style="display:none"><a href="#top"><span></span></a></p>
+<div style="display: none;" id="rocket-to-top">
+	<div style="opacity:0;display: block;" class="level-2"></div>
+	<div class="level-3"></div>
+</div>
 <style>
-	#back-top {
-		position: fixed;
-		bottom: 10px;
-		right: 8px;
-		z-index: 99;
+	* {
+		list-style: none;
+		border: 0;
 	}
 
-	#back-top span {
-		width: 70px;
-		height: 140px;
+	#rocket-to-top div {
+		left: 0;
+		margin: 0;
+		overflow: hidden;
+		padding: 0;
+		position: absolute;
+		top: 0;
+		width: 149px;
+	}
+
+	#rocket-to-top .level-2 {
+		background: url("../public/images/rocket_button_up.png") no-repeat scroll -149px 0 transparent;
+		display: none;
+		height: 250px;
+		opacity: 0;
+		z-index: 1;
+	}
+
+	#rocket-to-top .level-3 {
+		background: none repeat scroll 0 0 transparent;
+		cursor: pointer;
 		display: block;
-		background: url(../public/images/top.png) no-repeat center center;
+		height: 150px;
+		z-index: 2;
 	}
 
-	#back-top a {
-		outline: none
+	#rocket-to-top {
+		background: url("../public/images/rocket_button_up.png") no-repeat scroll 0 0 transparent;
+		cursor: default;
+		display: block;
+		height: 250px;
+		margin: -125px 0 0;
+		overflow: hidden;
+		padding: 0;
+		position: fixed;
+		right: 0;
+		top: 80%;
+		width: 149px;
+		z-index: 11;
 	}
 </style>
-
+<script>
+	// 返回顶部
+	$(function() {
+		var e = $("#rocket-to-top"),
+			t = $(document).scrollTop(),
+			n,
+			r,
+			i = !0;
+		$(window).scroll(function() {
+				var t = $(document).scrollTop();
+				t == 0 ? e.css("background-position") == "0px 0px" ? e.fadeOut("slow") : i && (i = !1, $(".level-2").css("opacity", 1), e.delay(100).animate({
+						marginTop: "-1000px"
+					},
+					"normal",
+					function() {
+						e.css({
+								"margin-top": "-125px",
+								display: "none"
+							}),
+							i = !0
+					})) : e.fadeIn("slow")
+			}),
+			e.hover(function() {
+					$(".level-2").stop(!0).animate({
+						opacity: 1
+					})
+				},
+				function() {
+					$(".level-2").stop(!0).animate({
+						opacity: 0
+					})
+				}),
+			$(".level-3").click(function() {
+				function t() {
+					var t = e.css("background-position");
+					if (e.css("display") == "none" || i == 0) {
+						clearInterval(n),
+							e.css("background-position", "0px 0px");
+						return
+					}
+					switch (t) {
+						case "0px 0px":
+							e.css("background-position", "-298px 0px");
+							break;
+						case "-298px 0px":
+							e.css("background-position", "-447px 0px");
+							break;
+						case "-447px 0px":
+							e.css("background-position", "-596px 0px");
+							break;
+						case "-596px 0px":
+							e.css("background-position", "-745px 0px");
+							break;
+						case "-745px 0px":
+							e.css("background-position", "-298px 0px");
+					}
+				}
+				if (!i) return;
+				n = setInterval(t, 50),
+					$("html,body").animate({
+						scrollTop: 0
+					}, "slow");
+			});
+	});
+</script>
 <script type="text/javascript">
 	// 仅选择日期
 	$(".form-date").datetimepicker({
@@ -112,25 +207,5 @@ $httpUrl = array(
 		},
 		delay: 2000
 	})
-	// 返回顶部
-	$(function() {
-		// hide #back-top first
-		$("#back-top").hide();
-		// fade in #back-top
-		$(window).scroll(function() {
-			if ($(this).scrollTop() > 400) {
-				$('#back-top').fadeIn();
-			} else {
-				$('#back-top').fadeOut();
-			}
-		});
-		// scroll body to 0px on click
-		$('#back-top a').click(function() {
-			$('body,html').animate({
-				scrollTop: 0
-			}, 500);
-			return false;
-		});
-	});
 </script>
 <?php require_once APP_ROOT . '/libs/footer.php';
diff --git a/libs/verson.json b/libs/verson.json
deleted file mode 100644
index 77c8d1e..0000000
--- a/libs/verson.json
+++ /dev/null
@@ -1,41 +0,0 @@
-{
-  "url": "https://api.github.com/repos/icret/EasyImages2.0/releases/42663696",
-  "assets_url": "https://api.github.com/repos/icret/EasyImages2.0/releases/42663696/assets",
-  "upload_url": "https://uploads.github.com/repos/icret/EasyImages2.0/releases/42663696/assets{?name,label}",
-  "html_url": "https://github.com/icret/EasyImages2.0/releases/tag/2.1.1",
-  "id": 42663696,
-  "author": {
-    "login": "icret",
-    "id": 16373024,
-    "node_id": "MDQ6VXNlcjE2MzczMDI0",
-    "avatar_url": "https://avatars.githubusercontent.com/u/16373024?v=4",
-    "gravatar_id": "",
-    "url": "https://api.github.com/users/icret",
-    "html_url": "https://github.com/icret",
-    "followers_url": "https://api.github.com/users/icret/followers",
-    "following_url": "https://api.github.com/users/icret/following{/other_user}",
-    "gists_url": "https://api.github.com/users/icret/gists{/gist_id}",
-    "starred_url": "https://api.github.com/users/icret/starred{/owner}{/repo}",
-    "subscriptions_url": "https://api.github.com/users/icret/subscriptions",
-    "organizations_url": "https://api.github.com/users/icret/orgs",
-    "repos_url": "https://api.github.com/users/icret/repos",
-    "events_url": "https://api.github.com/users/icret/events{/privacy}",
-    "received_events_url": "https://api.github.com/users/icret/received_events",
-    "type": "User",
-    "site_admin": false
-  },
-  "node_id": "MDc6UmVsZWFzZTQyNjYzNjk2",
-  "tag_name": "2.1.1",
-  "target_commitish": "master",
-  "name": "EasyImage2.0 简单图床 ver:2.1.1",
-  "draft": false,
-  "prerelease": false,
-  "created_at": "2021-05-08T07:42:59Z",
-  "published_at": "2021-05-09T12:13:59Z",
-  "assets": [
-
-  ],
-  "tarball_url": "https://api.github.com/repos/icret/EasyImages2.0/tarball/2.1.1",
-  "zipball_url": "https://api.github.com/repos/icret/EasyImages2.0/zipball/2.1.1",
-  "body": "EasyImage2.0 简单图床\r\n版本：2.1.1"
-}
diff --git a/public/images/Eclipse-1s-200px.svg b/public/images/Eclipse-1s-200px.svg
deleted file mode 100644
index d7eaec7..0000000
--- a/public/images/Eclipse-1s-200px.svg
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" style="margin: auto; background: rgb(241, 242, 243); display: block; shape-rendering: auto; animation-play-state: running; animation-delay: 0s;" width="200px" height="200px" viewBox="0 0 100 100" preserveAspectRatio="xMidYMid">
-<path d="M10 50A40 40 0 0 0 90 50A40 42 0 0 1 10 50" fill="#5be1da" stroke="none" style="animation-play-state: running; animation-delay: 0s;">
-  <animateTransform attributeName="transform" type="rotate" dur="1s" repeatCount="indefinite" keyTimes="0;1" values="0 50 51;360 50 51" style="animation-play-state: running; animation-delay: 0s;"></animateTransform>
-</path>
-<!-- [ldio] generated by https://loading.io/ --></svg>
\ No newline at end of file
diff --git a/public/images/loading.svg b/public/images/loading.svg
new file mode 100644
index 0000000..5a9f41d
--- /dev/null
+++ b/public/images/loading.svg
@@ -0,0 +1,120 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" style="margin: auto; background: none; display: block; shape-rendering: auto;" width="400px" height="400px" viewBox="0 0 100 100" preserveAspectRatio="xMidYMid">
+<g transform="rotate(0 50 50)">
+  <rect x="48.5" y="12" rx="1.5" ry="8" width="3" height="16" fill="#df1317">
+    <animate attributeName="opacity" values="1;0" keyTimes="0;1" dur="1s" begin="-0.9655172413793104s" repeatCount="indefinite"></animate>
+  </rect>
+</g><g transform="rotate(12.413793103448276 50 50)">
+  <rect x="48.5" y="12" rx="1.5" ry="8" width="3" height="16" fill="#e4934b">
+    <animate attributeName="opacity" values="1;0" keyTimes="0;1" dur="1s" begin="-0.9310344827586207s" repeatCount="indefinite"></animate>
+  </rect>
+</g><g transform="rotate(24.82758620689655 50 50)">
+  <rect x="48.5" y="12" rx="1.5" ry="8" width="3" height="16" fill="#e2bb8b">
+    <animate attributeName="opacity" values="1;0" keyTimes="0;1" dur="1s" begin="-0.896551724137931s" repeatCount="indefinite"></animate>
+  </rect>
+</g><g transform="rotate(37.241379310344826 50 50)">
+  <rect x="48.5" y="12" rx="1.5" ry="8" width="3" height="16" fill="#e1e7e7">
+    <animate attributeName="opacity" values="1;0" keyTimes="0;1" dur="1s" begin="-0.8620689655172413s" repeatCount="indefinite"></animate>
+  </rect>
+</g><g transform="rotate(49.6551724137931 50 50)">
+  <rect x="48.5" y="12" rx="1.5" ry="8" width="3" height="16" fill="#91bcc6">
+    <animate attributeName="opacity" values="1;0" keyTimes="0;1" dur="1s" begin="-0.8275862068965517s" repeatCount="indefinite"></animate>
+  </rect>
+</g><g transform="rotate(62.06896551724138 50 50)">
+  <rect x="48.5" y="12" rx="1.5" ry="8" width="3" height="16" fill="#07abcc">
+    <animate attributeName="opacity" values="1;0" keyTimes="0;1" dur="1s" begin="-0.7931034482758621s" repeatCount="indefinite"></animate>
+  </rect>
+</g><g transform="rotate(74.48275862068965 50 50)">
+  <rect x="48.5" y="12" rx="1.5" ry="8" width="3" height="16" fill="#0a69aa">
+    <animate attributeName="opacity" values="1;0" keyTimes="0;1" dur="1s" begin="-0.7586206896551724s" repeatCount="indefinite"></animate>
+  </rect>
+</g><g transform="rotate(86.89655172413794 50 50)">
+  <rect x="48.5" y="12" rx="1.5" ry="8" width="3" height="16" fill="#194645">
+    <animate attributeName="opacity" values="1;0" keyTimes="0;1" dur="1s" begin="-0.7241379310344828s" repeatCount="indefinite"></animate>
+  </rect>
+</g><g transform="rotate(99.3103448275862 50 50)">
+  <rect x="48.5" y="12" rx="1.5" ry="8" width="3" height="16" fill="#df1317">
+    <animate attributeName="opacity" values="1;0" keyTimes="0;1" dur="1s" begin="-0.6896551724137931s" repeatCount="indefinite"></animate>
+  </rect>
+</g><g transform="rotate(111.72413793103448 50 50)">
+  <rect x="48.5" y="12" rx="1.5" ry="8" width="3" height="16" fill="#e4934b">
+    <animate attributeName="opacity" values="1;0" keyTimes="0;1" dur="1s" begin="-0.6551724137931034s" repeatCount="indefinite"></animate>
+  </rect>
+</g><g transform="rotate(124.13793103448276 50 50)">
+  <rect x="48.5" y="12" rx="1.5" ry="8" width="3" height="16" fill="#e2bb8b">
+    <animate attributeName="opacity" values="1;0" keyTimes="0;1" dur="1s" begin="-0.6206896551724138s" repeatCount="indefinite"></animate>
+  </rect>
+</g><g transform="rotate(136.55172413793105 50 50)">
+  <rect x="48.5" y="12" rx="1.5" ry="8" width="3" height="16" fill="#e1e7e7">
+    <animate attributeName="opacity" values="1;0" keyTimes="0;1" dur="1s" begin="-0.5862068965517241s" repeatCount="indefinite"></animate>
+  </rect>
+</g><g transform="rotate(148.9655172413793 50 50)">
+  <rect x="48.5" y="12" rx="1.5" ry="8" width="3" height="16" fill="#91bcc6">
+    <animate attributeName="opacity" values="1;0" keyTimes="0;1" dur="1s" begin="-0.5517241379310345s" repeatCount="indefinite"></animate>
+  </rect>
+</g><g transform="rotate(161.3793103448276 50 50)">
+  <rect x="48.5" y="12" rx="1.5" ry="8" width="3" height="16" fill="#07abcc">
+    <animate attributeName="opacity" values="1;0" keyTimes="0;1" dur="1s" begin="-0.5172413793103449s" repeatCount="indefinite"></animate>
+  </rect>
+</g><g transform="rotate(173.79310344827587 50 50)">
+  <rect x="48.5" y="12" rx="1.5" ry="8" width="3" height="16" fill="#0a69aa">
+    <animate attributeName="opacity" values="1;0" keyTimes="0;1" dur="1s" begin="-0.4827586206896552s" repeatCount="indefinite"></animate>
+  </rect>
+</g><g transform="rotate(186.20689655172413 50 50)">
+  <rect x="48.5" y="12" rx="1.5" ry="8" width="3" height="16" fill="#194645">
+    <animate attributeName="opacity" values="1;0" keyTimes="0;1" dur="1s" begin="-0.4482758620689655s" repeatCount="indefinite"></animate>
+  </rect>
+</g><g transform="rotate(198.6206896551724 50 50)">
+  <rect x="48.5" y="12" rx="1.5" ry="8" width="3" height="16" fill="#df1317">
+    <animate attributeName="opacity" values="1;0" keyTimes="0;1" dur="1s" begin="-0.41379310344827586s" repeatCount="indefinite"></animate>
+  </rect>
+</g><g transform="rotate(211.0344827586207 50 50)">
+  <rect x="48.5" y="12" rx="1.5" ry="8" width="3" height="16" fill="#e4934b">
+    <animate attributeName="opacity" values="1;0" keyTimes="0;1" dur="1s" begin="-0.3793103448275862s" repeatCount="indefinite"></animate>
+  </rect>
+</g><g transform="rotate(223.44827586206895 50 50)">
+  <rect x="48.5" y="12" rx="1.5" ry="8" width="3" height="16" fill="#e2bb8b">
+    <animate attributeName="opacity" values="1;0" keyTimes="0;1" dur="1s" begin="-0.3448275862068966s" repeatCount="indefinite"></animate>
+  </rect>
+</g><g transform="rotate(235.86206896551724 50 50)">
+  <rect x="48.5" y="12" rx="1.5" ry="8" width="3" height="16" fill="#e1e7e7">
+    <animate attributeName="opacity" values="1;0" keyTimes="0;1" dur="1s" begin="-0.3103448275862069s" repeatCount="indefinite"></animate>
+  </rect>
+</g><g transform="rotate(248.27586206896552 50 50)">
+  <rect x="48.5" y="12" rx="1.5" ry="8" width="3" height="16" fill="#91bcc6">
+    <animate attributeName="opacity" values="1;0" keyTimes="0;1" dur="1s" begin="-0.27586206896551724s" repeatCount="indefinite"></animate>
+  </rect>
+</g><g transform="rotate(260.6896551724138 50 50)">
+  <rect x="48.5" y="12" rx="1.5" ry="8" width="3" height="16" fill="#07abcc">
+    <animate attributeName="opacity" values="1;0" keyTimes="0;1" dur="1s" begin="-0.2413793103448276s" repeatCount="indefinite"></animate>
+  </rect>
+</g><g transform="rotate(273.1034482758621 50 50)">
+  <rect x="48.5" y="12" rx="1.5" ry="8" width="3" height="16" fill="#0a69aa">
+    <animate attributeName="opacity" values="1;0" keyTimes="0;1" dur="1s" begin="-0.20689655172413793s" repeatCount="indefinite"></animate>
+  </rect>
+</g><g transform="rotate(285.51724137931035 50 50)">
+  <rect x="48.5" y="12" rx="1.5" ry="8" width="3" height="16" fill="#194645">
+    <animate attributeName="opacity" values="1;0" keyTimes="0;1" dur="1s" begin="-0.1724137931034483s" repeatCount="indefinite"></animate>
+  </rect>
+</g><g transform="rotate(297.9310344827586 50 50)">
+  <rect x="48.5" y="12" rx="1.5" ry="8" width="3" height="16" fill="#df1317">
+    <animate attributeName="opacity" values="1;0" keyTimes="0;1" dur="1s" begin="-0.13793103448275862s" repeatCount="indefinite"></animate>
+  </rect>
+</g><g transform="rotate(310.3448275862069 50 50)">
+  <rect x="48.5" y="12" rx="1.5" ry="8" width="3" height="16" fill="#e4934b">
+    <animate attributeName="opacity" values="1;0" keyTimes="0;1" dur="1s" begin="-0.10344827586206896s" repeatCount="indefinite"></animate>
+  </rect>
+</g><g transform="rotate(322.7586206896552 50 50)">
+  <rect x="48.5" y="12" rx="1.5" ry="8" width="3" height="16" fill="#e2bb8b">
+    <animate attributeName="opacity" values="1;0" keyTimes="0;1" dur="1s" begin="-0.06896551724137931s" repeatCount="indefinite"></animate>
+  </rect>
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+  <rect x="48.5" y="12" rx="1.5" ry="8" width="3" height="16" fill="#e1e7e7">
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