Update test.js

Author: coding-zhang

api/test.js

@@ -1,4 +1,9 @@
 module.exports = (req, res) => {
   const {username, age} = req.body
-  res.send(`username: ${username},age: ${age}`)
-}
+  res.json(
+    {
+      username,
+      age
+    }
+  )
+}