diff --git a/config/config.default.js b/config/config.default.js
index e8b2f47..5e5933c 100644
--- a/config/config.default.js
+++ b/config/config.default.js
@@ -30,6 +30,12 @@ module.exports = appInfo => {
     },
   };
 
+  config.cluster = {
+    listen: {
+      port: 3001,
+    },
+  };
+
   return {
     ...config,
     ...userConfig,