修复了一些问题

inc/modules/message-center.php

@@ -227,7 +227,6 @@ function aksrt_render_message_center_list(int $user_id, string $view, int $page
 
 function aksrt_render_message_center_detail(array $item, string $view): void {
 	$type = (string) ($item['type'] ?? 'notice');
-	$target_url = (string) ($item['url'] ?? '');
 	?>
 	<article class="message-detail" data-notification-id="<?php echo esc_attr((string) ($item['id'] ?? '')); ?>">
 		<header class="message-detail__header">
@@ -238,7 +237,6 @@ function aksrt_render_message_center_detail(array $item, string $view): void {
 		</header>
 		<div class="message-detail__content"><?php echo wp_kses_post(wpautop(esc_html((string) ($item['desc'] ?? '')))); ?></div>
 		<footer class="message-detail__actions">
-			<?php if ($target_url !== '') : ?><a href="<?php echo esc_url($target_url); ?>" class="message-detail__primary"><?php esc_html_e('查看相关内容', 'aksrt'); ?></a><?php endif; ?>
 			<button type="button" class="message-item__action-btn message-item__action-btn--danger js-msg-delete" data-id="<?php echo esc_attr((string) ($item['id'] ?? '')); ?>" data-detail="1"><?php esc_html_e('删除消息', 'aksrt'); ?></button>
 		</footer>
 	</article>