diff --git a/hosts/whitelist.txt b/hosts/whitelist.txt
index 137fff1..de04fdc 100755
--- a/hosts/whitelist.txt
+++ b/hosts/whitelist.txt
@@ -1,6 +1,9 @@
 ## This whitelist maintaince by @ookangzheng
 ## Attribution-NonCommercial 4.0 International (CC BY-NC-SA 4.0)
 
+# CDN
+cn.wswebcdn.com
+
 # Fraud protection
 telephonyspamprotect-pa.googleapis.com
 device-provisioning.googleapis.com