diff --git a/rules/singbox/salem@cn.json b/rules/singbox/salem@cn.json
index ee3c446..8448690 100644
--- a/rules/singbox/salem@cn.json
+++ b/rules/singbox/salem@cn.json
@@ -5,7 +5,12 @@
       "domain_suffix": 
       [
         "ssr.ee",
-        "sswiwi.COM"
+        "sswiwi.com",
+        "sswiwi.cn",
+        "pnet.cc",
+        "qcc.cn",
+        "qcc.com",
+        "ngtec.top"
       ]
     }
   ]