diff --git a/functions.php b/functions.php
index 9f1fa79..5479acd 100644
--- a/functions.php
+++ b/functions.php
@@ -522,7 +522,7 @@ function argon_frontend_hot_reload_notice() {
 		<div style="display:flex;align-items:center;margin-bottom:8px;">
 			<span style="background:var(--themecolor,#5e72e4);color:#fff;padding:2px 8px;border-radius:4px;font-size:12px;margin-right:8px;"><?php _e('热更新', 'argon'); ?></span>
 			<strong><?php _e('主题已更新', 'argon'); ?></strong>
-			<span onclick="document.getElementById('argon-hot-reload-frontend-notice').remove();jQuery.post(ajaxurl,{action:'argon_dismiss_update_notice',nonce:'<?php echo wp_create_nonce('argon_dismiss_update_notice'); ?>',index:-1});" style="margin-left:auto;cursor:pointer;opacity:0.5;font-size:18px;">&times;</span>
+			<span onclick="document.getElementById('argon-hot-reload-frontend-notice').remove();jQuery.post('<?php echo admin_url('admin-ajax.php'); ?>',{action:'argon_dismiss_update_notice',nonce:'<?php echo wp_create_nonce('argon_dismiss_update_notice'); ?>',index:-1});" style="margin-left:auto;cursor:pointer;opacity:0.5;font-size:18px;">&times;</span>
 		</div>
 		<p style="margin:0;color:#666;font-size:14px;">
 			<?php echo sprintf(
@@ -5285,14 +5285,10 @@ function argon_get_duolingo_data() {
         'headers' => $headers
     ));
     
-    // 如果返回了诸如 401/403 错误（JWT 过期或无效），尝试移除 JWT 重新获取，确保基础连胜可见
-    if (!is_wp_error($response) && wp_remote_retrieve_response_code($response) !== 200 && !empty($jwt)) {
-        unset($headers['Authorization']);
-        $response = wp_remote_get($url, array(
-            'timeout' => 15,
-            'headers' => $headers
-        ));
-        $jwt = ''; // 标记为无效，后续不请求私有好友连胜数据
+    // 如果返回了诸如 401/403 错误，说明可能遭到了 Cloudflare 拦截或者是 JWT 无效
+    // 我们直接返回缓存，而不是剥离 JWT 去重试，因为当前服务器 IP 很可能就是被封的
+    if (!is_wp_error($response) && wp_remote_retrieve_response_code($response) !== 200) {
+        return $cached !== false ? $cached : false;
     }
 
     if (is_wp_error($response)) {
diff --git a/sidebar.php b/sidebar.php
index d3e47ab..6090ec7 100644
--- a/sidebar.php
+++ b/sidebar.php
@@ -670,6 +670,11 @@ $author_desc = get_option('argon_sidebar_author_description');
 								<span class="duolingo-streak<?php echo $is_today_done ? '' : ' not-done'; ?>"<?php echo $tooltip_attr; ?>>
 									<img src="<?php echo get_template_directory_uri(); ?>/assets/icons/duolingo-streak<?php echo $is_today_done ? '' : '-empty'; ?>.svg" class="duolingo-flame" alt="streak">
 									<?php echo $duo_data['streak']; ?>
+								</span>
+									<?php else: ?>
+								<span class="duolingo-streak not-done" data-toggle="tooltip" data-placement="bottom" title="<?php _e('API 获取失败 / 用户名错误 / 或被频控拦截', 'argon'); ?>">
+									<img src="<?php echo get_template_directory_uri(); ?>/assets/icons/duolingo-streak-empty.svg" class="duolingo-flame" alt="streak">
+									?
 								</span>
 								<?php endif; endif; ?>
 							</h6>
diff --git a/style.css b/style.css
index 4240342..d4fe54f 100644
--- a/style.css
+++ b/style.css
@@ -8,7 +8,7 @@ Author URI: https://solstice23.top/
 
 Description: 轻盈、简洁、美观的 Wordpress 主题
 
-Version: 1.5.1
+Version: 1.5.3
 
 License: GNU General Public License v3.0