diff --git a/config/sing.json b/config/sing.json
index 610ff6d..bd510e2 100644
--- a/config/sing.json
+++ b/config/sing.json
@@ -27,7 +27,9 @@
         },
         {
             "type": "mixed",
-            "tag": "in"
+            "tag": "in",
+            "listen": "127.0.0.1",
+            "listen_port": 2080
         }
     ],
     "dns": {