diff --git a/theme/admin.html b/theme/admin.html
index fa0e782..26a21d0 100644
--- a/theme/admin.html
+++ b/theme/admin.html
@@ -69,7 +69,7 @@
 <body>
 <div id="login">
     <h1>Login</h1>
-        <input type="text" required="required" id="pin" placeholder="用户名" name="u"></input>
+        <input type="text" required="required" id="pin" placeholder="用户名" name="u" />
         <button class="but" onclick="login()">登录</button>
 </div>
 
