update

config/config.default.js

@@ -84,7 +84,9 @@ module.exports = appInfo => {
     orderKeyPrefix: 'orderKey:',
   };
   config.redisTimeout = 3600;
-
+  config.errcode = {
+    groupJoinRefund: -111,
+  };
   return {
     ...config,
     ...userConfig,