diff --git a/config.js b/config.js
index 13bb3eb..183c90c 100755
--- a/config.js
+++ b/config.js
@@ -2,7 +2,13 @@ module.exports = {
     ports: {
         mainServerPort: 3005,
     },
-    address: 'b.hippoz.xyz',
+    address: 'localhost',
+    //restrictions: {
+    //    signup: {
+    //        specialCode: ''
+    //    }
+    //},
+    corsAllowList: [ 'localhost' ],
     mongoUrl: 'mongodb://192.168.0.105:27017/app',
     bcryptRounds: 10,
     roleMap: {
diff --git a/index.js b/index.js
index 4424e56..f3680ba 100755
--- a/index.js
+++ b/index.js
@@ -18,7 +18,13 @@ app.use(express.urlencoded({ extended: false }));
 app.use(express.json());
 app.use(cookieParser());
 app.use(cors({
-    origin: config.isHttps ? `https://${config.address}` : `http://${config.address}`,
+    origin: function (origin, callback) {
+        if (config.corsAllowList.indexOf(origin) !== -1) {
+            callback(null, true);
+        } else {
+            callback(new Error('Not allowed by CORS'));
+        }
+    },
     credentials: true,
     optionsSuccessStatus: 200
 }));