用户功能设置收口与废弃后台链路清理

inc/helpers/user-center-renderers/profile-header.php

@@ -12,7 +12,7 @@ extract($context, EXTR_SKIP); // phpcs:ignore WordPress.PHP.DontExtract.extract_
 ?>
 <div class="uc-header">
 	<div class="uc-header__cover">
-		<img id="aksrt-cover-img" class="uc-header__cover-img" src="<?php echo esc_url($user_background_url ? $user_background_url : get_theme_file_uri('assets/img/person_background.png')); ?>" alt="">
+		<img id="aksrt-cover-img" class="uc-header__cover-img" src="<?php echo esc_url($user_background_url); ?>" alt="">
 		<div class="uc-header__cover-mask"></div>
 		<div class="aksrt-cover-menu" data-aksrt-menu>
 			<button type="button" class="aksrt-cover-menu__trigger" aria-haspopup="true" aria-expanded="false" aria-label="<?php esc_attr_e('个人主页操作', 'aksrt'); ?>">
@@ -58,7 +58,7 @@ extract($context, EXTR_SKIP); // phpcs:ignore WordPress.PHP.DontExtract.extract_
 				</span>
 				<?php endif; ?>
 				<?php
-				// IP 归属地 (legacy user_page_header_desc + user_city_s).
+				// IP 归属地由扩展设置统一控制。
 				$uc_city = function_exists('aksrt_get_user_city_badge_html')
 					? aksrt_get_user_city_badge_html((int) $user_id, 'user_center', 'badg')
 					: '';