diff --git a/rules/clash/salem@cn.yaml b/rules/clash/salem@cn.yaml
index 51201c6..806b176 100644
--- a/rules/clash/salem@cn.yaml
+++ b/rules/clash/salem@cn.yaml
@@ -2,4 +2,5 @@ payload:
 # NETCUP
   - DOMAIN,xboard.sswiwi.com
   - DOMAIN,ss.sswiwi.com
+  - DOMAIN-SUFFIX,linux.do
   - IP-CIDR,37.120.179.196/32,no-resolve