找到“/wordpress-seo-premium/vendor/yoast/license-manager/class-license-manager.php”文件搜索：
// show notice if license is invalid
删除下列内容：
<div class=”error”> <p><?php printf( __( $message, $this->product->get_text_domain() ), $this->product->get_item_name(), $this->product->get_license_page_url(), $this->product->get_tracking_url( ‘activate-license-notice’ ) ); ?></p> </div>
