diff --git a/readme/zh.md b/readme/zh.md
index 282e06f2..536e7cd0 100644
--- a/readme/zh.md
+++ b/readme/zh.md
@@ -91,6 +91,7 @@
 
 **更多信息**
 * [Myth Catalog](../subfiles/myth_catalog.md)
+* [How many % of top 1,000 most visited sites(2010) are using Cloudflare today?](../subfiles/google_ad_planner_top_1000_sites.md)
 * [The Great Cloudwall](../pdf/2019-Jeff_Cliff_Book1.txt), [Mr. Jeff Cliff](https://shitposter.club/users/jeffcliff)
   * 下载: [PDF](../pdf/2019-The_Great_Cloudwall.pdf), [ePUB](../pdf/2019-Jeff_Cliff_The_Great_Cloudwall.epub)
   * 由于侵犯CC0资料的版权，BookRix GmbH删除了原始电子书（ePUB）