diff --git a/app/templates/userpage_post.html b/app/templates/userpage_post.html
index a3eb9b6..a7ad569 100644
--- a/app/templates/userpage_post.html
+++ b/app/templates/userpage_post.html
@@ -1,50 +1,50 @@
 <!DOCTYPE html>
 <html lang="en">
-<head>
-    <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=0.5, maximum-scale=3.0, user-scalable=yes" />
-    <meta name="format-detection" content="telephone=no" />
+    <head>
+	<meta charset="UTF-8">
+	<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=0.5, maximum-scale=3.0, user-scalable=yes" />
+	<meta name="format-detection" content="telephone=no" />
 
-    {{ yml['header'] | safe }}
-    {% if yml['css']['item'] %}
+	{{ yml['header'] | safe }}
+	{% if yml['css']['item'] %}
         {% for css in yml['css']['item'] %}
         <link href="{{ css }}" rel="stylesheet">
         {% endfor %}
-    {% endif %}
-    {% if yml['js']['head'] %}
+	{% endif %}
+	{% if yml['js']['head'] %}
         {% for js in yml['js']['head'] %}
-            <script src="{{ js }}" ></script>
+        <script src="{{ js }}" ></script>
         {% endfor %}
-    {% endif %}
+	{% endif %}
 
-    <title>EnglishPal Study Room for {{username}}</title>
-</head>
-<body>
-  <div class="container-fluid">
-  <p class="mt-md-3">
-    <input type="button" id="btn-cancel-selection" value="取消勾选" onclick="toggleCheckboxSelection(false)" />
-    <input type="button" id="btn-selection" value="全部勾选" onclick="toggleCheckboxSelection(true)" />
-  </p>
-      <form method="post" action="/{{username}}/mark">
-       <button type="submit" name="add-btn" class="btn btn-outline-primary btn-lg">加入我的生词簿</button>
-       {% for x in lst %}
-          {% set word = x[0]%}
-        <p>
-            <font color="grey">{{loop.index}}</font>
-            :
-            <a href='http://youdao.com/w/eng/{{word}}/#keyfrom=dict2.index' title={{word}}>{{word}}</a>
-            ({{x[1]}})
-            <input type="checkbox" name="marked" value="{{word}}" checked>
-        </p>
+	<title>EnglishPal Study Room for {{username}}</title>
+    </head>
+    <body>
+	<div class="container-fluid">
+	    <p class="mt-md-3">
+		<input type="button" id="btn-cancel-selection" value="取消勾选" onclick="toggleCheckboxSelection(false)" />
+		<input type="button" id="btn-selection" value="全部勾选" onclick="toggleCheckboxSelection(true)" />
+	    </p>
+	    <form method="post" action="/{{username}}/mark">
+		<button type="submit" name="add-btn" class="btn btn-outline-primary btn-lg">加入我的生词簿</button>
+		{% for x in lst %}
+		{% set word = x[0]%}
+		<p>
+		    <font color="grey">{{loop.index}}</font>
+		    :
+		    <a href='http://youdao.com/w/eng/{{word}}/#keyfrom=dict2.index' title={{word}}>{{word}}</a>
+		    ({{x[1]}})
+		    <input type="checkbox" name="marked" value="{{word}}" checked>
+		</p>
 
-       {% endfor %}
-       </form>
-    {{ yml['footer'] | safe }}
-    {% if yml['js']['bottom'] %}
-        {% for js in yml['js']['bottom'] %}
+		{% endfor %}
+	    </form>
+	    {{ yml['footer'] | safe }}
+	    {% if yml['js']['bottom'] %}
+            {% for js in yml['js']['bottom'] %}
             <script src="{{ js }}" ></script>
-        {% endfor %}
-    {% endif %}
-  </div>
-</body>
+            {% endfor %}
+	    {% endif %}
+	</div>
+    </body>
 </html>
