diff --git a/app/static/style.css b/app/static/style.css
index 0b5be45..ad44260 100644
--- a/app/static/style.css
+++ b/app/static/style.css
@@ -118,7 +118,7 @@ code { background: var(--bg); padding: .15rem .4rem; border-radius: 4px; font-si
 .postcard-info { display: flex; flex-direction: column; gap: .15rem; font-size: .9rem; }
 
 /* Badge */
-.badge { display: inline-block; padding: .1rem .4rem; border-radius: 999px; font-size: .7rem; font-weight: 600; color: #fff; white-space: nowrap; line-height: 1.4; align-self: center; }
+.badge { display: inline-block; padding: .1rem .4rem; border-radius: 999px; font-size: .7rem; font-weight: 600; color: #fff; background: var(--text-muted); white-space: nowrap; line-height: 1.4; align-self: center; }
 .badge-sent { background: var(--sent); }
 .badge-delivered { background: var(--delivered); }
 .badge-received { background: var(--received); }
diff --git a/app/templates/admin_invites.html b/app/templates/admin_invites.html
index 6a06661..46aea33 100644
--- a/app/templates/admin_invites.html
+++ b/app/templates/admin_invites.html
@@ -61,10 +61,10 @@
             {% else %}
                 <span class="badge">永不过期</span>
             {% endif %}
-            {% if c.registered_users %}
-                <span class="badge" style="background:#e8f5e9">注册用户: {{ c.registered_users|map(attribute='username')|join(', ') }}</span>
-            {% endif %}
         </div>
+        {% if c.registered_users %}
+        <div style="font-size:.8rem;color:var(--text-muted)">注册用户: {{ c.registered_users|map(attribute='username')|join(', ') }}</div>
+        {% endif %}
         <form method="post" action="/admin/invites/{{ c.id }}/edit" class="admin-invite-form" id="edit-form-{{ c.id }}">
             <div class="aif-field">
                 <select name="limit_type" class="aif-select" onchange="toggleEditFields({{ c.id }}, this.value)">