diff --git a/public/index.html b/public/index.html
index fe5b0f4..70e5a66 100644
--- a/public/index.html
+++ b/public/index.html
@@ -2,8 +2,8 @@
 <html lang="zh-CN">
 <head>
     <meta charset="utf-8">
-    <meta http-equiv="X-UA-Compatible" content="IE=edge">
-    <meta name="viewport" content="width=device-width,initial-scale=1.0">
+    <meta content="IE=edge" http-equiv="X-UA-Compatible">
+    <meta content="width=device-width,initial-scale=1.0" name="viewport">
     <script>var _paq = window._paq || [];
     _paq.push(['trackPageView'], ['enableLinkTracking'], ['setSiteId', '2'],
         ['setTrackerUrl', 'https://stats.ixarea.com/ixarea-stats/report']);
@@ -60,9 +60,9 @@
              style="border:0"/>
     </noscript>
     <strong>音乐解锁采用了一些新特性！建议使用
-        <a target="_blank" href="https://www.google.cn/chrome/">Google Chrome</a>
-        <a target="_blank" href="https://www.firefox.com.cn/">Mozilla Firefox</a>
-        | <a target="_blank" href="https://github.com/ix64/unlock-music/wiki/使用提示">使用提示</a>
+        <a href="https://www.google.cn/chrome/" target="_blank">Google Chrome</a>
+        <a href="https://www.firefox.com.cn/" target="_blank">Mozilla Firefox</a>
+        | <a href="https://github.com/ix64/unlock-music/wiki/使用提示" target="_blank">使用提示</a>
     </strong>
 </div>
 <div id="app"></div>
diff --git a/src/assets/logo.png b/src/assets/logo.png
deleted file mode 100644
index f3d2503..0000000
Binary files a/src/assets/logo.png and /dev/null differ
diff --git a/src/plugins/element.js b/src/plugins/element.js
index 6df0b24..211c89f 100644
--- a/src/plugins/element.js
+++ b/src/plugins/element.js
@@ -1,18 +1,18 @@
 import Vue from 'vue'
 import {
-    Image,
     Button,
-    Table,
-    TableColumn,
-    Main,
-    Footer,
+    Col,
     Container,
+    Footer,
     Icon,
-    Row,
-    Col,
-    Upload,
+    Image,
+    Link,
+    Main,
     Notification,
-    Link
+    Row,
+    Table,
+    TableColumn,
+    Upload
 } from 'element-ui';
 import 'element-ui/lib/theme-chalk/index.css'
 
@@ -29,5 +29,3 @@ Vue.use(Row);
 Vue.use(Col);
 Vue.use(Upload);
 Vue.prototype.$notify = Notification;
-
-
diff --git a/src/plugins/qmc.js b/src/plugins/qmc.js
index f6a530d..efe9102 100644
--- a/src/plugins/qmc.js
+++ b/src/plugins/qmc.js
@@ -117,7 +117,4 @@ class Mask {
         return ret
     }
 
-
 }
-
-
diff --git a/src/registerServiceWorker.js b/src/registerServiceWorker.js
index 76cede0..0ecdbe2 100644
--- a/src/registerServiceWorker.js
+++ b/src/registerServiceWorker.js
@@ -1,32 +1,32 @@
 /* eslint-disable no-console */
 
-import { register } from 'register-service-worker'
+import {register} from 'register-service-worker'
 
 if (process.env.NODE_ENV === 'production') {
-  register(`${process.env.BASE_URL}service-worker.js`, {
-    ready () {
-      console.log(
-        'App is being served from cache by a service worker.\n' +
-        'For more details, visit https://goo.gl/AFskqB'
-      )
-    },
-    registered () {
-      console.log('Service worker has been registered.')
-    },
-    cached () {
-      console.log('Content has been cached for offline use.')
-    },
-    updatefound () {
-      console.log('New content is downloading.')
-    },
-    updated () {
-      console.log('New content is available; please refresh.')
-    },
-    offline () {
-      console.log('No internet connection found. App is running in offline mode.')
-    },
-    error (error) {
-      console.error('Error during service worker registration:', error)
-    }
-  })
+    register(`${process.env.BASE_URL}service-worker.js`, {
+        ready() {
+            console.log(
+                'App is being served from cache by a service worker.\n' +
+                'For more details, visit https://goo.gl/AFskqB'
+            )
+        },
+        registered() {
+            console.log('Service worker has been registered.')
+        },
+        cached() {
+            console.log('Content has been cached for offline use.')
+        },
+        updatefound() {
+            console.log('New content is downloading.')
+        },
+        updated() {
+            console.log('New content is available; please refresh.')
+        },
+        offline() {
+            console.log('No internet connection found. App is running in offline mode.')
+        },
+        error(error) {
+            console.error('Error during service worker registration:', error)
+        }
+    })
 }
