diff --git a/inc/modules/message-center.php b/inc/modules/message-center.php
index 1cfabee7..9d612db0 100644
--- a/inc/modules/message-center.php
+++ b/inc/modules/message-center.php
@@ -270,7 +270,7 @@ function aksrt_render_message_center_detail(array $item, string $view): void {
 			<button type="button" class="message-detail__back" data-message-back data-view="<?php echo esc_attr($view); ?>"><i class="fa fas fa-arrow-left" aria-hidden="true"></i> <?php esc_html_e('返回消息列表', 'aksrt'); ?></button>
 			<span class="message-detail__icon"><i class="<?php echo esc_attr(aksrt_message_icon_class($type)); ?>" aria-hidden="true"></i></span>
 			<h2 class="message-detail__title"><?php echo esc_html((string) ($item['title'] ?? '')); ?></h2>
-			<p class="message-detail__meta"><?php echo esc_html(aksrt_notification_type_label($type)); ?> · <?php echo esc_html(aksrt_message_time($item)); ?></p>
+			<p class="message-detail__meta"><?php echo esc_html(aksrt_message_time($item)); ?></p>
 		</header>
 		<div class="message-detail__content"><?php echo wp_kses_post(wpautop(esc_html((string) ($item['desc'] ?? '')))); ?></div>
 		<footer class="message-detail__actions">
diff --git a/tests/widget-system/message-center-contract.test.cjs b/tests/widget-system/message-center-contract.test.cjs
index 873dc047..a50ffe91 100644
--- a/tests/widget-system/message-center-contract.test.cjs
+++ b/tests/widget-system/message-center-contract.test.cjs
@@ -88,12 +88,13 @@ test('tabs, pagination, actions, and detail all replace DOM fragments', () => {
   assert.doesNotMatch(script, /pushState\([^\n]+detail/);
 });
 
-test('message detail does not expose a related-content button or target link', () => {
+test('message detail exposes neither internal type labels nor a related-content link', () => {
   const center = read('inc/modules/message-center.php');
   const detailStart = center.indexOf('function aksrt_render_message_center_detail');
   const detailEnd = center.indexOf("add_action('wp_ajax_aksrt_load_message_center'", detailStart);
   const detail = center.slice(detailStart, detailEnd);
 
+  assert.doesNotMatch(detail, /aksrt_notification_type_label/);
   assert.doesNotMatch(detail, /查看相关内容|message-detail__primary|target_url|\['url'\]/);
   assert.doesNotMatch(detail, /<a\s/i);
 });