diff --git a/libs/route-utils/index.js b/libs/route-utils/index.js
new file mode 100644
index 0000000..e3dc568
--- /dev/null
+++ b/libs/route-utils/index.js
@@ -0,0 +1,47 @@
+/**
+ * check Object
+ * @param {string} key key name
+ * @param {string} type type name
+ * @param {boolean} empty can empty
+ */
+const chkObject = function (key = '', type = '', empty = false) {
+  const uuidChk = /^[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i
+  if (!(key in this.body)) return false
+
+  switch (type) {
+    case 'string':
+      if (typeof this.body[key] !== 'string' || (!empty && !this.body[key])) return false
+      break
+    case 'number':
+      if (!isFinite(this.body[key])) return false
+      break
+    case 'boolean':
+      if (typeof this.body[key] !== 'boolean') return false
+      break
+    case 'array':
+      if (!Array.isArray(this.body[key]) || (!empty && this.body[key].length === 0)) return false
+      break
+    case 'uuid':
+      if (typeof this.body[key] !== 'string') return false
+      if (!empty && this.body[key] === '') return false
+      if (!empty && !uuidChk.test(this.body[key])) return false
+      break
+    case 'object':
+      if (typeof this.body[key] !== 'object') return false
+      try {
+        let str = JSON.stringify(this.body[key])
+        JSON.parse(str)
+      } catch (err) {
+        return false
+      }
+      break
+    default:
+      return false
+  }
+
+  return true
+}
+
+module.exports = {
+  chkObject
+}
diff --git a/route/api/index.js b/route/api/index.js
index 44b7549..b202c17 100644
--- a/route/api/index.js
+++ b/route/api/index.js
@@ -1,4 +1,22 @@
 const Router = require('koa-router')
+const koaBody = require('koa-body')
+const {
+  chkObject
+} = require('@libs/route-utils')
 const r = new Router()
 
+r.use(async (c, n) => {
+  c.obj = {}
+  c.chkBody = chkObject.bind({body: c.request.body})
+  try {
+    await n()
+  } catch (err) {
+    console.log(err)
+  }
+})
+
+r.post('/login', koaBody(), async (c, n) => {
+
+})
+
 module.exports = r