diff --git a/accelerated-domains.china.conf b/accelerated-domains.china.conf
index 8ffdeb1365..1847469e1c 100644
--- a/accelerated-domains.china.conf
+++ b/accelerated-domains.china.conf
@@ -19022,7 +19022,6 @@ server=/dubbo.io/114.114.114.114
 server=/dubiwang.com/114.114.114.114
 server=/dubprince.com/114.114.114.114
 server=/dubyc.com/114.114.114.114
-server=/duchang.org/114.114.114.114
 server=/dudong.com/114.114.114.114
 server=/dudu25.com/114.114.114.114
 server=/dudubashi.com/114.114.114.114