diff --git a/public/index.html b/public/index.html
index ae66cc5..be0b3b2 100644
--- a/public/index.html
+++ b/public/index.html
@@ -1,29 +1,44 @@
 <!DOCTYPE html>
 <html lang="zh-CN">
-
-<head>
-  <meta charset="utf-8">
-  <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
-  <meta name="keywords" content="md,markdown,markdown-editor,wechat,official-account,yanglbme,doocs" />
-  <meta name="description" content="Wechat Markdown Editor | 一款高度简洁的微信 Markdown 编辑器" />
-  <meta name="viewport"
-    content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0" />
-  <!-- <title>
+  <head>
+    <meta charset="utf-8" />
+    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
+    <meta
+      name="keywords"
+      content="md,markdown,markdown-editor,wechat,official-account,yanglbme,doocs"
+    />
+    <meta
+      name="description"
+      content="Wechat Markdown Editor | 一款高度简洁的微信 Markdown 编辑器"
+    />
+    <meta
+      name="viewport"
+      content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"
+    />
+    <!-- <title>
             <%= htmlWebpackPlugin.options.title %>
         </title> -->
-  <title>微信 Markdown 编辑器</title>
-  <link rel="stylesheet" href="<%= BASE_URL %>static/index.<%= VUE_APP_INDEX_CSS_HASH %>.css" />
-  <link rel="shortcut icon" href="https://gitee.com/yanglbme/resource/raw/master/doocs-md/favicon.png" />
-  <link rel="apple-touch-icon-precomposed" href="https://gitee.com/yanglbme/resource/raw/master/doocs-md/qrcode.png" />
-  <script src="https://cdn.bootcdn.net/ajax/libs/prettify/r224/prettify.min.js"></script>
-</head>
+    <title>微信 Markdown 编辑器</title>
+    <link
+      rel="stylesheet"
+      href="<%= BASE_URL %>static/index.<%= VUE_APP_INDEX_CSS_HASH %>.css"
+    />
+    <link
+      rel="shortcut icon"
+      href="https://gitee.com/yanglbme/resource/raw/master/doocs-md/favicon.png"
+    />
+    <link
+      rel="apple-touch-icon-precomposed"
+      href="https://gitee.com/yanglbme/resource/raw/master/doocs-md/qrcode.png"
+    />
+    <script src="https://cdn.bootcdn.net/ajax/libs/prettify/r224/prettify.min.js"></script>
+  </head>
 
-<body>
-  <noscript>
-    <strong>Please enable JavaScript to continue.</strong>
-  </noscript>
-  <div id="app"></div>
-  <!-- built files will be auto injected -->
-</body>
-
-</html>
\ No newline at end of file
+  <body>
+    <noscript>
+      <strong>Please enable JavaScript to continue.</strong>
+    </noscript>
+    <div id="app"></div>
+    <!-- built files will be auto injected -->
+  </body>
+</html>
diff --git a/src/assets/less/style-mirror.css b/src/assets/less/style-mirror.css
index 56390f9..3863df3 100644
--- a/src/assets/less/style-mirror.css
+++ b/src/assets/less/style-mirror.css
@@ -18,8 +18,8 @@
   padding: 20px;
   width: 100%;
   box-sizing: border-box;
-  overflow-x: hidden!important;
-  overflow-y: scroll!important;
+  overflow-x: hidden !important;
+  overflow-y: scroll !important;
 }
 
 .cm-s-style-mirror div.CodeMirror-selected {
