diff --git a/archive-tucao.php b/archive-tucao.php
index 9d83db9..5029153 100644
--- a/archive-tucao.php
+++ b/archive-tucao.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * 微言归档页 — 带评论
+ * 微言归档页 — 带 AJAX 评论 + 登录验证
  */
 get_header();
 ?>
@@ -19,22 +19,38 @@ get_header();
                 <span class="tucao-time"><?php echo get_the_time('Y-m-d H:i'); ?></span>
             </div>
             <div class="tucao-body"><?php the_content(); ?></div>
-            <?php
-            $comment_count = get_comments_number();
-            ?>
-            <span class="tucao-comments-toggle" onclick="document.getElementById('tucao-comments-<?php the_ID(); ?>').classList.toggle('open')">💬 <?php echo $comment_count; ?> 条留言</span>
+            <?php $comment_count = get_comments_number(); ?>
+            <span class="tucao-comments-toggle" onclick="var el=document.getElementById('tucao-comments-<?php the_ID(); ?>'); el.classList.toggle('open');">💬 <?php echo $comment_count; ?> 条留言</span>
             <div class="tucao-comments" id="tucao-comments-<?php the_ID(); ?>">
                 <?php
-                $comments = get_comments(array('post_id' => get_the_ID(), 'status' => 'approve'));
-                foreach ($comments as $c) {
-                    echo '<div class="tucao-comment"><span class="tucao-comment-author">' . esc_html($c->comment_author) . '</span> · ' . esc_html($c->comment_date) . '<br>' . esc_html($c->comment_content) . '</div>';
-                }
+                $comments = get_comments(array('post_id' => get_the_ID(), 'status' => 'approve', 'order' => 'ASC'));
+                foreach ($comments as $c) :
+                    $reply_to = $c->comment_parent ? get_comment($c->comment_parent) : null;
                 ?>
-                <form action="<?php echo site_url('/wp-comments-post.php'); ?>" method="post" class="tucao-comment-form">
-                    <input type="hidden" name="comment_post_ID" value="<?php the_ID(); ?>">
-                    <input type="text" name="comment" placeholder="说点什么...">
-                    <button type="submit">落笔</button>
-                </form>
+                    <div class="tucao-comment">
+                        <div class="tucao-comment-meta">
+                            <?php echo get_avatar($c, 16, '', '', array('class' => 'tucao-comment-avatar')); ?>
+                            <span class="tucao-comment-author"><?php echo esc_html($c->comment_author); ?></span>
+                            <?php if ($reply_to) : ?>
+                                <span class="tucao-reply-to">回复 @<?php echo esc_html($reply_to->comment_author); ?></span>
+                            <?php endif; ?>
+                            <span class="tucao-comment-time"><?php echo get_comment_date('Y-m-d H:i:s', $c); ?></span>
+                        </div>
+                        <div class="tucao-comment-text"><?php echo esc_html($c->comment_content); ?></div>
+                    </div>
+                <?php endforeach; ?>
+                <div class="tucao-comment-form-wrap">
+                    <?php if (is_user_logged_in()) : ?>
+                        <form class="tucao-comment-form" method="post" action="<?php echo site_url('/wp-comments-post.php'); ?>">
+                            <input type="hidden" name="comment_post_ID" value="<?php the_ID(); ?>">
+                            <input type="hidden" name="comment_parent" value="0" class="tucao-reply-parent">
+                            <input type="text" name="comment" placeholder="说点什么..." required>
+                            <button type="submit">落笔</button>
+                        </form>
+                    <?php else : ?>
+                        <p class="tucao-login-hint"><a href="/wp-login.php">登录</a>后可留言</p>
+                    <?php endif; ?>
+                </div>
             </div>
         </div>
     <?php endwhile; ?>
@@ -45,4 +61,9 @@ get_header();
     <p style="color:var(--ink-lighter);text-align:center;padding:60px 0;">暂无微言</p>
 <?php endif; ?>
 
+<!-- 评论时间本地化脚本 -->
+<script>
+// 已改为 PHP 后端渲染，不需要 AJAX
+</script>
+
 <?php get_footer(); ?>
diff --git a/functions.php b/functions.php
index 134e91c..104c339 100644
--- a/functions.php
+++ b/functions.php
@@ -146,6 +146,14 @@ add_filter('get_avatar', function($avatar, $id_or_email, $size, $default, $alt)
     $uid = 0;
     if (is_numeric($id_or_email)) $uid = (int) $id_or_email;
     elseif (is_object($id_or_email) && isset($id_or_email->user_id)) $uid = (int) $id_or_email->user_id;
+    elseif (is_object($id_or_email) && $id_or_email instanceof WP_Comment) {
+        $uid = (int) $id_or_email->user_id;
+    }
+    // 如果传的是 email 但找不到用户，尝试用 email 找
+    if (!$uid && is_string($id_or_email) && strpos($id_or_email, '@') !== false) {
+        $u = get_user_by('email', $id_or_email);
+        if ($u) $uid = $u->ID;
+    }
     $att_id = get_user_meta($uid, 'custom_avatar', true);
     if ($att_id) {
         $url = wp_get_attachment_image_url($att_id, 'medium');
@@ -232,3 +240,29 @@ add_action('init', function() {
     add_rewrite_rule('^photo/([0-9]+)/([^/]+)/?$', 'index.php?post_type=photo&p=$matches[1]', 'top');
     add_rewrite_rule('^photo/([0-9]+)/?$', 'index.php?post_type=photo&p=$matches[1]', 'top');
 });
+
+// 允许通过 REST API 创建评论
+add_filter('rest_allow_anonymous_comments', '__return_false');
+
+// 评论后重定向回当前页
+
+
+// tucao 不要详情页，直接回 archive
+add_action('template_redirect', function() {
+    if (is_singular('tucao')) {
+        wp_redirect(get_post_type_archive_link('tucao'), 301);
+        exit;
+    }
+});
+
+// 评论后送回微言列表并锚点定位
+add_filter('comment_post_redirect', function($loc, $comment) {
+    $post = get_post($comment->comment_post_ID);
+    if ($post && $post->post_type === 'tucao') {
+        return get_post_type_archive_link('tucao') . '#tucao-' . $comment->comment_post_ID;
+    }
+    return $loc;
+}, 99, 2);
+
+// 中国时区
+date_default_timezone_set('Asia/Shanghai');
diff --git a/style.css b/style.css
index 723bbd2..811d17c 100644
--- a/style.css
+++ b/style.css
@@ -488,3 +488,41 @@ echo "done"
 
 
 .photo-lightbox__content img { border-radius: 6px; }
+
+.tucao-login-hint { font-size: 12px; color: var(--ink-lighter); margin-top: 12px; }
+.tucao-login-hint a { color: var(--cinnabar); }
+
+.tucao-comment { display:flex; gap:8px; align-items:flex-start; padding:8px 0; }
+.tucao-comment-avatar { width:22px !important; height:22px !important; border-radius:50% !important; object-fit:cover !important; flex-shrink:0; }
+.tucao-comment-time { font-size:11px; color:var(--ink-lighter); margin-left:4px; }
+.tucao-comment-text { font-size:13px; color:var(--ink-light); line-height:1.6; margin-top:2px; }
+
+.tucao-comment-body { flex:1; }
+.tucao-comment-author { font-size:13px; font-weight:600; }
+.tucao-comment-avatar { border-radius:50% !important; }
+
+.tucao-comment { align-items: baseline; }
+.tucao-comment-avatar { position: relative; top: 3px; }
+
+.tucao-comment-body { line-height: 16px; }
+.tucao-comment-avatar { top: 0 !important; width:16px !important; height:16px !important; }
+
+.tucao-comment { padding:6px 0; }
+.tucao-comment-meta { display:flex; align-items:center; gap:6px; margin-bottom:4px; }
+.tucao-comment-meta > img { width:16px !important; height:16px !important; border-radius:50% !important; object-fit:cover !important; flex-shrink:0; }
+
+.tucao-comment-meta { display:flex; align-items:baseline; gap:6px; }
+.tucao-comment-time { font-size:11px; color:var(--ink-lighter); }
+
+.tucao-comment-author { font-size:13px; font-weight:600; }
+.tucao-comment-time { font-size:11px; color:var(--ink-lighter); }
+.tucao-comment-text { font-size:13px; color:var(--ink-light); line-height:1.6; margin-left:22px; }
+.tucao-comment { padding:6px 0; border-bottom:1px dashed var(--border-light); display:block !important; }
+.tucao-comment:last-child { border-bottom:none; }
+.tucao-comment-meta { display:flex !important; align-items:center !important; gap:6px; margin-bottom:2px; }
+.tucao-comment-meta > img { width:16px !important; height:16px !important; border-radius:50% !important; object-fit:cover !important; flex-shrink:0; }
+.tucao-comment-author { font-size:13px; font-weight:600; }
+.tucao-comment-time { font-size:11px; color:var(--ink-lighter); }
+.tucao-comment-text { display:block; font-size:13px; color:var(--ink-light); line-height:1.6; margin-left:22px; }
+
+.tucao-reply-to { font-size:11px; color:var(--cinnabar); margin:0 2px; }