diff --git a/module/user/view/login.html.php b/module/user/view/login.html.php
index 783d0dc2d8..075f4bbba5 100644
--- a/module/user/view/login.html.php
+++ b/module/user/view/login.html.php
@@ -79,7 +79,7 @@ include '../../common/view/header.lite.html.php';
     <?php echo $lang->donate;?>
     <?php if($config->checkVersion):?>
     <br />
-    <iframe id='updater' class='hidden' frameborder='0' scrolling='no' allowtransparency='true' src="http://api.zentao.net/updater-isLatest-<?php echo $config->version;?>-<?php echo $s;?>.html?lang=<?php echo str_replace('-', '_', $this->app->getClientLang())?>"></iframe>
+    <iframe id='updater' class='hidden' frameborder='0' width='100%' scrolling='no' allowtransparency='true' src="http://api.zentao.net/updater-isLatest-<?php echo $config->version;?>-<?php echo $s;?>.html?lang=<?php echo str_replace('-', '_', $this->app->getClientLang())?>"></iframe>
     <?php endif;?>
   </div>
 </div>