diff --git a/app.js b/app.js
index afcf78f..f9e8f6b 100644
--- a/app.js
+++ b/app.js
@@ -7,6 +7,7 @@ const session = require('express-session')
 const cookieParser = require('cookie-parser')
 const indexRouter = require('./routes/index')
 const userRouter = require('./routes/userRouter')
+const accountRouter = require('./routes/accountRouter')
 
 // mongodb数据库连接
 const { connectMongoDB } = require('./db/mongodbConfig')
@@ -49,11 +50,9 @@ async function startServer() {
 
 startServer()
 
-// app.use(loginUtil.authenticateSeesion)
-
-// app.use('/', loginUtils.aopMiddleware, indexRouter);
 app.use('/', indexRouter)
 app.use('/user', loginUtil.authenticateSession, userRouter)
+app.use('/account', accountRouter)
 
 // catch 404 and forward to error handler
 app.use(function (req, res, next) {
diff --git a/config/successMessages.js b/config/successMessages.js
index 970ac2e..aea8311 100644
--- a/config/successMessages.js
+++ b/config/successMessages.js
@@ -1,5 +1,6 @@
 module.exports = {
   user: {
+    exist: 'User exist',
     created: 'User created',
     updated: 'User updated',
     deleted: 'User deleted',
diff --git a/controllers/userController.js b/controllers/userController.js
index c74d537..42a2a85 100644
--- a/controllers/userController.js
+++ b/controllers/userController.js
@@ -85,3 +85,19 @@ exports.login = [
     }
   }
 ]
+
+exports.getUserExist = async (req, res) => {
+  console.log(req.path)
+
+  try {
+    const { account } = req.query
+
+    const exist = await userService.get_user_exist(account)
+    if (!exist) {
+      return res.status(404).json({ message: errorMessages.user.not_found }) // 用户未找到，使用 404 错误码
+    }
+    return res.status(200).json({ message: successMessages.user.exist })
+  } catch (err) {
+    res.status(500).json({ error: err.message })
+  }
+}
diff --git a/repositories/userRepository.js b/repositories/userRepository.js
index 7a7fb1d..65f550f 100644
--- a/repositories/userRepository.js
+++ b/repositories/userRepository.js
@@ -39,6 +39,11 @@ exports.selectUserByPhone = async (phone) => {
   return await UserModel.findOne({ phone: phone })
 }
 
+exports.selectUserByAccountExist = async (account) => {
+  const exist = await UserModel.exists({ account: account })
+  return exist !== null
+}
+
 exports.createUser = async (user) => {
   return await UserModel.create(user)
 }
diff --git a/routes/accountRouter.js b/routes/accountRouter.js
new file mode 100644
index 0000000..8e1f7c4
--- /dev/null
+++ b/routes/accountRouter.js
@@ -0,0 +1,9 @@
+// routes/userRoutes.js
+const express = require('express')
+const userController = require('../controllers/userController')
+
+const router = express.Router()
+
+router.get('/', userController.getUserExist)
+
+module.exports = router
diff --git a/services/userService.js b/services/userService.js
index 21f445c..7c95f86 100644
--- a/services/userService.js
+++ b/services/userService.js
@@ -27,6 +27,14 @@ exports.login = async (account, password) => {
   }
 }
 
+exports.get_user_exist = async (account) => {
+  try {
+    return await userMapper.selectUserByAccountExist(account)
+  } catch (err) {
+    throw err
+  }
+}
+
 exports.user_list = async () => {
   try {
     const list_users = await userMapper.selectAllUser()