In the Yii2 version of the advanced template environment: How to set up a 404 custom page.
1. config/main.php file
'errorHandler' => [ 'errorAction' => 'site/error', ],
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2. views/site/error.php
<?php $this->context->layout = false; //不使用布局,或者改为自己所需要使用的布局?> <div class="site-error"> <h1>404</h1> </div>
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