diff --git a/accelerated-domains.china.conf b/accelerated-domains.china.conf
index 0edc352b08..7768362444 100644
--- a/accelerated-domains.china.conf
+++ b/accelerated-domains.china.conf
@@ -8492,6 +8492,7 @@ server=/99n3.com/114.114.114.114
 server=/99nahuo.com/114.114.114.114
 server=/99niu.com/114.114.114.114
 server=/99pan.com/114.114.114.114
+server=/99pdf.com/114.114.114.114
 server=/99pet.com/114.114.114.114
 server=/99ppt.com/114.114.114.114
 server=/99pto.com/114.114.114.114