diff --git a/index.html b/index.html
index 25304ed..2131b6d 100644
--- a/index.html
+++ b/index.html
@@ -1,5 +1,7 @@
 <!doctype html>
-<html lang="zh-CN"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>Ozon 投放表现</title>
+<html lang="zh-CN"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1">
+<meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate"><meta http-equiv="Pragma" content="no-cache"><meta http-equiv="Expires" content="0">
+<title>Ozon 投放表现</title>
 <style>
 :root{--bg:#f4f7fb;--card:#fff;--text:#14213d;--muted:#6b7280;--line:#e5eaf1;--blue:#5577ee;--green:#23a673;--pink:#e4568b}
 *{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,"Microsoft YaHei",system-ui,sans-serif}