diff --git a/frontend/demo.html b/frontend/demo.html
index 3d6dbe4..b2e3746 100644
--- a/frontend/demo.html
+++ b/frontend/demo.html
@@ -15,8 +15,8 @@ <h5>响应</h5>
     <script type="text/javascript">
         const reqBtn = document.getElementById('requestBtn')
         reqBtn.addEventListener('click', _ => {
-            // 3000端口的web页面去请求4000端口的api服务会跨域
-            axios.post('http://127.0.0.1:4000/api/task').then(res => {
+            // 搭建bff层时请求端口直接该为前端自身web服务的端口即可
+            axios.post('http://127.0.0.1:3000/api/task').then(res => {
                 console.log(res.data)
                 const resBox = document.getElementById('resBox')
                 resBox.innerText = JSON.stringify(res.data)
diff --git a/frontend/server.js b/frontend/server.js
index 03a8453..dc558dc 100644
--- a/frontend/server.js
+++ b/frontend/server.js
@@ -11,6 +11,12 @@ app.use(views(path.join(__dirname, './'), {extension: 'html'}))
 console.log('router', router.get)
 router.get('/', demo).get('/demo.html', demo)
 
+// web服务的bff层
+router.post('/api/task', async (ctx, next) => {
+    const res = await axios.post('http://127.0.0.1:4000/api/task')
+    ctx.body = res.data;
+})
+
 async function demo(ctx) {
     await ctx.render('demo')
 }