From 287e589ac773d3738b2aa7d40e0b6d43dde5261b Mon Sep 17 00:00:00 2001
From: dead-horse <dead_horse@qq.com>
Date: Mon, 19 Aug 2019 11:54:41 +0800
Subject: [PATCH] fix: make options more compatibility

---
 lib/application.js | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/lib/application.js b/lib/application.js
index a1f607f..098ecb1 100644
--- a/lib/application.js
+++ b/lib/application.js
@@ -44,13 +44,14 @@ module.exports = class Application extends Emitter {
     *
     */
 
-  constructor(options = {}) {
+  constructor(options) {
     super();
+    options = options || {};
     this.proxy = options.proxy || false;
-    this.middleware = [];
     this.subdomainOffset = options.subdomainOffset || 2;
     this.env = options.env || process.env.NODE_ENV || 'development';
-    this.keys = options.keys || undefined;
+    if (options.keys) this.keys = options.keys;
+    this.middleware = [];
     this.context = Object.create(context);
     this.request = Object.create(request);
     this.response = Object.create(response);