diff --git a/comments.php b/comments.php
index 6a1c774..ecce136 100644
--- a/comments.php
+++ b/comments.php
@@ -40,16 +40,39 @@ if (post_password_required()) return;
     <?php endif; ?>
 
     <?php
-    comment_form(array(
-        'title_reply'          => '笺下留言',
-        'title_reply_before'   => '<h3 class="comment-reply-title">',
-        'title_reply_after'    => '</h3>',
-        'comment_notes_before' => '',
-        'comment_field'        => '<textarea id="comment" name="comment" rows="4" placeholder="写点什么..." required></textarea>',
-        'submit_button'        => '<button type="submit" class="submit">落笔留痕</button>',
-        'submit_field'         => '<div class="form-submit">%1$s %2$s</div>',
-        'label_submit'         => '落笔留痕',
-    ));
+    if (is_user_logged_in()) :
+        // 登录后：只显示留言框 + 按钮，隐藏 "Logged in as XXX"
+        comment_form(array(
+            'title_reply'          => '笺下留言',
+            'title_reply_before'   => '<h3 class="comment-reply-title">',
+            'title_reply_after'    => '</h3>',
+            'comment_notes_before' => '',
+            'comment_notes_after'  => '',
+            'logged_in_as'         => '',
+            'fields'               => array(),
+            'comment_field'        => '<textarea id="comment" name="comment" rows="4" placeholder="写点什么..." required></textarea>',
+            'submit_button'        => '<button type="submit" class="submit">落笔留痕</button>',
+            'submit_field'         => '<div class="form-submit">%1$s %2$s</div>',
+            'label_submit'         => '落笔留痕',
+        ));
+    else :
+        // 未登录：只显示输入框 + 按钮，提交时提示登录
     ?>
+        <h3 class="comment-reply-title">笺下留言</h3>
+        <form id="commentform-guest" class="comment-form" novalidate>
+            <textarea id="comment" name="comment" rows="4" placeholder="写点什么..." required></textarea>
+            <div class="form-submit">
+                <button type="submit" class="submit">落笔留痕</button>
+            </div>
+        </form>
+        <script>
+        document.getElementById('commentform-guest').addEventListener('submit', function(e) {
+            e.preventDefault();
+            if (confirm('请先登录')) {
+                window.location.href = '/wp-login.php';
+            }
+        });
+        </script>
+    <?php endif; ?>
 
 </div>
diff --git a/functions.php b/functions.php
index 104c339..66e0175 100644
--- a/functions.php
+++ b/functions.php
@@ -122,6 +122,9 @@ remove_action('admin_print_styles', 'print_emoji_styles');
 
 add_filter('emoji_svg_url', '__return_false');
 
+// 隐藏顶部 admin bar
+add_filter('show_admin_bar', '__return_false');
+
 // 评论表单中文化
 add_filter('comment_form_default_fields', function($fields) {
     $fields['author'] = '<p class="comment-form-author"><label for="author">显示名称</label><input id="author" name="author" type="text" size="30" /></p>';
@@ -131,6 +134,9 @@ add_filter('comment_form_default_fields', function($fields) {
     return $fields;
 });
 
+// 评论无需审核直接发布
+add_filter('pre_comment_approved', function() { return 1; });
+
 add_action('template_include', function($template) {
     if (get_query_var('post_type') === 'post' && !is_home() && !is_singular()) {
         $t = locate_template('archive.php');
diff --git a/header.php b/header.php
index 25462f7..c655004 100644
--- a/header.php
+++ b/header.php
@@ -15,24 +15,57 @@
             <a href="/" class="logo-area">
                 <span class="logo"><?php bloginfo('name'); ?></span>
             </a>
-            <nav>
-                <?php
-                if (has_nav_menu('primary')) {
-                    wp_nav_menu(array(
-                        'theme_location' => 'primary',
-                        'container'      => false,
-                        'menu_class'     => 'nav-links',
-                        'depth'          => 1,
-                    ));
-                } else {
-                    echo '<ul class="nav-links">';
-                    echo '<li><a href="/">首页</a></li>';
-                    echo '<li><a href="/articles/">笺文</a></li>';
-                    echo '<li><a href="/tucao/">微言</a></li>';
-                    echo '<li><a href="/photos/">拾影</a></li>';
-                    echo '</ul>';
-                }
+            <div class="top-bar-right">
+                <nav>
+                    <?php
+                    if (has_nav_menu('primary')) {
+                        wp_nav_menu(array(
+                            'theme_location' => 'primary',
+                            'container'      => false,
+                            'menu_class'     => 'nav-links',
+                            'depth'          => 1,
+                        ));
+                    } else {
+                        echo '<ul class="nav-links">';
+                        echo '<li><a href="/">首页</a></li>';
+                        echo '<li><a href="/articles/">笺文</a></li>';
+                        echo '<li><a href="/tucao/">微言</a></li>';
+                        echo '<li><a href="/photos/">拾影</a></li>';
+                        echo '</ul>';
+                    }
+                    ?>
+                </nav>
+                <?php if (is_user_logged_in()) :
+                    $current_user = wp_get_current_user();
                 ?>
-            </nav>
+                <div class="user-menu">
+                    <button class="user-menu-trigger" type="button" aria-haspopup="true">
+                        <?php echo get_avatar($current_user->ID, 28); ?>
+                        <span class="user-menu-name"><?php echo esc_html($current_user->display_name); ?></span>
+                        <span class="user-menu-arrow">▾</span>
+                    </button>
+                    <div class="user-menu-dropdown">
+                        <a href="/author/<?php echo esc_attr($current_user->user_nicename); ?>/" rel="nofollow">个人资料</a>
+                        <a href="/wp-admin/" rel="nofollow">系统后台</a>
+                        <a href="/wp-login.php?action=logout" rel="nofollow">退出</a>
+                    </div>
+                </div>
+                <?php endif; ?>
+            </div>
         </header>
+        <script>
+        (function(){
+            var trigger = document.querySelector('.user-menu-trigger');
+            var menu = document.querySelector('.user-menu');
+            if (trigger && menu) {
+                trigger.addEventListener('click', function(e) {
+                    e.stopPropagation();
+                    menu.classList.toggle('open');
+                });
+                document.addEventListener('click', function() {
+                    menu.classList.remove('open');
+                });
+            }
+        })();
+        </script>
         <div class="main-content">