diff --git a/accelerated-domains.china.conf b/accelerated-domains.china.conf
index 49fe80cb10..b3e7a527e2 100644
--- a/accelerated-domains.china.conf
+++ b/accelerated-domains.china.conf
@@ -1113,6 +1113,7 @@ server=/onekeyrom.com/114.114.114.114
 server=/onetad.com/114.114.114.114
 server=/onlinedown.net/114.114.114.114
 server=/onlylady.com/114.114.114.114
+server=/opencas.org/114.114.114.114
 server=/optaim.com/114.114.114.114
 server=/optimix.asia/114.114.114.114
 server=/oschina.net/114.114.114.114