diff --git a/rules/singbox/salem@cn.json b/rules/singbox/salem@cn.json
index 9766551..de9b9b3 100644
--- a/rules/singbox/salem@cn.json
+++ b/rules/singbox/salem@cn.json
@@ -17,7 +17,7 @@
       "ip_cidr": 
       [
       ],
-      "dst-port": 
+      "dst_port": 
       [
         "22",
         "17000",