diff --git a/public/app.js b/public/app.js
index ab44531..f2cc7b5 100644
--- a/public/app.js
+++ b/public/app.js
@@ -180,7 +180,7 @@ function renderCustomers() {
       <td>${item.expiresAt ? fmtDate(item.expiresAt) : '不限期'}</td><td>节点 IP ${item.observedIpCount || 0} / ${item.ipLimit || '不限'}<small>订阅客户端约 ${item.subscriptionClientCount || 0} / ${item.deviceLimit || '不限'}</small></td><td>${tags(item.tags)}</td>
       <td>${rowActions(item.id, `<button data-action="edit-customer" data-id="${esc(item.id)}">编辑</button><button data-action="customer-subscription" data-id="${esc(item.id)}">订阅</button><button data-action="customer-access" data-id="${esc(item.id)}">访问</button>`, [['assign-nodes','分配节点'],['reset-usage','流量清零'],['toggle-customer',item.status === 'active' ? '停用' : '启用'],['delete-customer','删除客户']])}</td></tr>`;
   }).join('');
-  return `<div class="page-intro"><p>流量按入口上行＋下行双向累计，Agent 约每分钟上报，按客户跨节点汇总。额度、到期或节点 IP 触发暂停后，调整限制会自动恢复；待 Agent 完成恢复任务，订阅才可更新。</p><button class="primary" data-action="add-customer">＋ 添加客户</button></div>
+  return `<div class="page-intro"><p>流量按入口单向累计，Agent 约每分钟上报，按客户跨节点汇总。额度、到期或节点 IP 触发暂停后，调整限制会自动恢复；待 Agent 完成恢复任务，订阅才可更新。</p><button class="primary" data-action="add-customer">＋ 添加客户</button></div>
     <section class="panel"><div class="panel-head"><div class="toolbar"><input class="search" data-search placeholder="搜索客户、分组或标签" value="${esc(state.search)}"><span class="tag">${state.customers.length} 位</span></div></div>
     <div class="table-wrap"><table><thead><tr><th>客户</th><th>状态</th><th>流量</th><th>到期</th><th>使用限制</th><th>标签</th><th>操作</th></tr></thead><tbody>${rows || `<tr><td colspan="7">${empty('还没有客户','先创建客户，再到“转发与节点”分配')}</td></tr>`}</tbody></table></div></section>`;
 }