diff --git a/index.html b/index.html
index fb23ef9..cf930ca 100644
--- a/index.html
+++ b/index.html
@@ -47,7 +47,7 @@ const fmt=n=>n.toLocaleString('en-US',{minimumFractionDigits:2,maximumFractionDi
 fetch('data.json?t='+Date.now()).then(r=>r.json()).then(d=>render(d)).catch(e=>{document.getElementById('metaLine').textContent='数据加载失败：'+e.message;});
 function render(d){
   document.getElementById('weekBadge').textContent=d.meta.week||'';
-  document.getElementById('metaLine').textContent='数据来源：'+d.meta.source+'　·　生成时间：'+new Date(d.meta.generated_at).toLocaleString('zh-CN');
+  document.getElementById('metaLine').textContent='数据周期：'+d.meta.date_range+'　·　数据来源：'+d.meta.source+'　·　生成时间：'+new Date(d.meta.generated_at).toLocaleString('zh-CN');
   const buyers=d.buyers.slice().sort((a,b)=>b.total-a.total);
   const cards=[['投手数',buyers.length],['投放花费合计',fmt(d.grand_total)],['覆盖 Adpingid 数',d.week34_id_count],['花费最高投手',buyers[0].name]];
   document.getElementById('cards').innerHTML=cards.map(c=>'<div class="card"><div class="k">'+c[0]+'</div><div class="v">'+c[1]+'</div></div>').join('');