diff --git a/server.js b/server.js
index 5febbca..b9cfd6b 100644
--- a/server.js
+++ b/server.js
@@ -1,30 +1,27 @@
 const fs = require('fs')
 const path = require('path')
 
-const Config = Object.assign(
-  {
-    commanderOptions: [
-      // 命令行里可以接受的参数。将传给 config.js 里的 commander。每个参数的定义格式是 [参数名，参数键，描述]，后两者用于传给commander，取值后覆盖掉Config里的同名变量。
-      ['protocol', '-P, --protocol <string>', 'Web Server protocol: http|https|httpall.'],
-      ['host', '-h, --host <string>', 'Host IP or domain name, default to localhost.'],
+const Config = require('so.sysconfig')({
+  commanderOptions: [
+    // 命令行里可以接受的参数。将传给 config.js 里的 commander。每个参数的定义格式是 [参数名，参数键，描述]，后两者用于传给commander，取值后覆盖掉Config里的同名变量。
+    ['protocol', '-P, --protocol <string>', 'Web Server protocol: http|https|httpall.'],
+    ['host', '-h, --host <string>', 'Host IP or domain name, default to localhost.'],
 
-      ['port', '-p, --port <number>', 'HTTP port number.'],
-      ['from', '-f, --from <string>', 'Seed list such as \'["http://ip_or_dn:port"]\' or "noseed" to disable seeding.'],
-      ['env', '-e, --env <string>', 'Runtime environment: production | development.'],
-    ],
-    // 最基础的必须的默认配置，如果用户什么也没有提供
-    protocol: 'http',
-    host: 'localhost',
-    from: './dist', // local path to serve as webroot
-    // 如果使用虚拟主机
-    /*
+    ['port', '-p, --port <number>', 'HTTP port number.'],
+    ['from', '-f, --from <string>', 'Seed list such as \'["http://ip_or_dn:port"]\' or "noseed" to disable seeding.'],
+    ['env', '-e, --env <string>', 'Runtime environment: production | development.'],
+  ],
+  // 最基础的必须的默认配置，如果用户什么也没有提供
+  protocol: 'http',
+  host: 'localhost',
+  from: './dist', // local path to serve as webroot
+  // 如果使用虚拟主机
+  /*
     vhosts: [
       { webroot: 'dist', webindex: 'index.html', domainList: ['']}
     ],
     */
-  },
-  require('so.sysconfig')
-)
+})
 if (typeof Config.ssl === 'string') {
   Config.ssl = eval(`(${Config.ssl})`)
 }