diff --git a/.prettierrc.yaml b/.prettierrc.yaml
new file mode 100644
index 0000000..c0e277f
--- /dev/null
+++ b/.prettierrc.yaml
@@ -0,0 +1,10 @@
+jsxBracketSameLine: true
+jsxSingleQuote: true
+semi: false
+singleQuote: true
+printWidth: 100
+useTabs: false
+tabWidth: 2
+trailingComma: none
+bracketSpacing: true
+arrowParens: avoid
\ No newline at end of file
diff --git a/index.js b/index.js
index 43235b7..ee67649 100644
--- a/index.js
+++ b/index.js
@@ -142,7 +142,7 @@ export default class Five {
 
     this.__main__()
 
-    server = http.createServer(function(req, res) {
+    server = http.createServer(function (req, res) {
       var request = new Request(req, res)
       var response = new Response(req, res)
 
@@ -153,11 +153,11 @@ export default class Five {
         return
       }
 
-      response.set('X-Powered-By', 'Five.js')
+      response.set('X-Powered-By', this.get('X-Powered-By') || 'Five.js')
 
       if (fn) {
         ;(async function next() {
-          await fn.call(_this, request, response, function() {
+          await fn.call(_this, request, response, function () {
             fn = middleware.shift()
             if (fn) {
               next()
diff --git a/middleware/cors.js b/middleware/cors.js
index fb25d87..c4dc3c5 100644
--- a/middleware/cors.js
+++ b/middleware/cors.js
@@ -6,7 +6,7 @@
 
 import url from 'url'
 
-export default function(req, res, next) {
+export default function (req, res, next) {
   var CORS = this.get('cors')
 
   if (CORS.enabled) {
diff --git a/package.json b/package.json
index f7e65f5..c273a67 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@gm5/core",
-  "version": "1.0.5",
+  "version": "1.0.6",
   "type": "module",
   "description": "Five.js, 一个轻量级的nodejs mvc框架 旨在简单易用, 5分钟即可上手",
   "author": "yutent <yutent.io@gmail.com>",
@@ -21,7 +21,9 @@
     "type": "git",
     "url": "https://github.com/bytedo/gmf.core.git"
   },
-  "keywords": ["five, fivejs, node-five, five.js, nodejs, mvc, koa, express"],
+  "keywords": [
+    "five, fivejs, node-five, five.js, nodejs, mvc, koa, express"
+  ],
   "engines": {
     "node": ">=10.0.0"
   },