// 找到这里
<?php if($options->allowRegister): ?>
&bull;
<a href="proxy.php?url=https%3A%2F%2Fgithub.com%2F%3Cspan+class%3D"pl-ent"><?php $options->registerUrl(); ?>"><?php _e('用户注册'); ?></a>
<?php endif; ?>

// 在它下面插入以下代码
<?php
   $activates = array_keys(Typecho_Plugin::export()['activated']);
   if (in_array('Passport', $activates)) {
       echo '<a href="proxy.php?url=https%3A%2F%2Fgithub.com%2F%3C%2Fspan%3E%27%3C%2Fspan%3E+.+Typecho_Common%3A%3A%3Cspan+class%3D"pl-en">url('passport/forgot', $options->index) . '">' . '忘记密码' . '</a>';
   }
?>