diff --git a/ChineseFilter/sections/adservers.txt b/ChineseFilter/sections/adservers.txt
index 214051f651a..a365adee3ad 100644
--- a/ChineseFilter/sections/adservers.txt
+++ b/ChineseFilter/sections/adservers.txt
@@ -7,6 +7,7 @@
 ! Bad: ||adssubdomain.legitwebsite.com^ (should be in adservers_firstparty.txt)
 !
 !
+||ad.zui.com^
 ||pnez8.rut6m.xyz^
 ||eq.af31f.site^
 ||ra1.xyz^