diff --git a/src/main/java/org/cmh/backend/authentication/controller/AuthenticationController.java b/src/main/java/org/cmh/backend/authentication/controller/AuthenticationController.java
index d79ef7f..b80516f 100644
--- a/src/main/java/org/cmh/backend/authentication/controller/AuthenticationController.java
+++ b/src/main/java/org/cmh/backend/authentication/controller/AuthenticationController.java
@@ -28,14 +28,16 @@ class AuthenticationController {
     @PostMapping("/register")
     public ResponseEntity<RegisterResponse> register(@RequestBody RegisterRequest request) {
         try {
-            boolean isRegistered = userService.registerUser(request.getUsername(), request.getPassword(), request.getContactInfo());
+            boolean isRegistered = userService.registerUser(request);
             if (isRegistered) {
                 return new ResponseEntity<>(new RegisterResponse("注册成功"), HttpStatus.OK);
             } else {
                 return new ResponseEntity<>(new RegisterResponse("注册失败:用户已存在"), HttpStatus.BAD_REQUEST);
             }
-        } catch (Exception e) {
+        } catch (IllegalArgumentException e) {
             return new ResponseEntity<>(new RegisterResponse("注册失败:输入格式有误"), HttpStatus.BAD_REQUEST);
+        } catch (Exception e) {
+            return new ResponseEntity<>(new RegisterResponse("注册失败:服务器错误"), HttpStatus.INTERNAL_SERVER_ERROR);
         }
 
     }
diff --git a/src/main/java/org/cmh/backend/authentication/dto/RegisterRequest.java b/src/main/java/org/cmh/backend/authentication/dto/RegisterRequest.java
index f0eb627..055a88d 100644
--- a/src/main/java/org/cmh/backend/authentication/dto/RegisterRequest.java
+++ b/src/main/java/org/cmh/backend/authentication/dto/RegisterRequest.java
@@ -8,5 +8,6 @@ import lombok.Setter;
 public class RegisterRequest {
     private String username;
     private String password;
-    private String contactInfo;
+    private String phoneNumber;
+    private String verificationCode;
 }
diff --git a/src/main/java/org/cmh/backend/authentication/service/UserService.java b/src/main/java/org/cmh/backend/authentication/service/UserService.java
index bcb93c9..fda693a 100644
--- a/src/main/java/org/cmh/backend/authentication/service/UserService.java
+++ b/src/main/java/org/cmh/backend/authentication/service/UserService.java
@@ -2,6 +2,7 @@ package org.cmh.backend.authentication.service;
 
 import org.cmh.backend.authentication.dto.ChangePasswordRequest;
 import org.cmh.backend.authentication.dto.ManageUserProfileRequest;
+import org.cmh.backend.authentication.dto.RegisterRequest;
 import org.cmh.backend.authentication.model.UserHS;
 import org.cmh.backend.authentication.repository.UserRepository;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -23,14 +24,17 @@ public class UserService {
         return userRepository.findByUsername(username);
     }
 
-    public boolean registerUser(String username, String password, String contactInfo) {
+    public boolean registerUser(RegisterRequest request) {
+        String username = request.getUsername();
+        String password = request.getPassword();
+        String phoneNumber = request.getPhoneNumber();
         // 验证用户名是否已存在
         if (userRepository.findByUsername(username) != null) {
             return false; // 用户已存在
         }
 
         // 验证输入格式
-        if (!isValidUsername(username) || !isValidPassword(password) || !isValidContactInfo(contactInfo)) {
+        if (!isValidUsername(username) || !isValidPassword(password) || !isValidContactInfo(phoneNumber)) {
             throw new IllegalArgumentException();
         }
 
@@ -41,15 +45,10 @@ public class UserService {
         UserHS newUser = new UserHS();
         newUser.setUsername(username);
         newUser.setPassword(encodedPassword);
-        newUser.setPhoneNumber(contactInfo); // 假设contactInfo是电话号码
+        newUser.setPhoneNumber(phoneNumber);
         newUser.setCreatedAt(LocalDateTime.now());
 
-        try {
-            userRepository.save(newUser);
-        } catch (Exception e) {
-            // 处理保存用户时可能出现的异常
-            return false;
-        }
+        userRepository.save(newUser);
 
         return true;
     }