diff --git a/cdn-testlist.txt b/cdn-testlist.txt
index 9c206b82b8..1e3a1bfbd3 100644
--- a/cdn-testlist.txt
+++ b/cdn-testlist.txt
@@ -23,6 +23,7 @@ recaptcha.net
 s.c.lnkd.licdn.com
 s0.2mdn.net
 t1.tiles.ditu.live.com
+tse1-mm.cn.bing.net
 v24.lscache2.c.android.clients.google.com
 v2ex.assets.uxengine.net
 v2ex.china.uxengine.net