feat: 유저 정보 변경

backend/src/main/java/com/edufocus/edufocus/user/controller/UserController.java

@@ -47,12 +47,17 @@ public class UserController {
 
     @PutMapping("/updateinfo")
     public ResponseEntity<String> updateUserInfo(@RequestBody InfoDto infoDto, HttpServletRequest request) {
+
+        try {
             String token = request.getHeader("Authorization");
             Long userId = Long.parseLong(jwtUtil.getUserId(token));
 
             userService.changeUserInfo(infoDto, userId);
+            return ResponseEntity.ok("Password changed successfully");
+        } catch (Exception e) {
+            return ResponseEntity.status(HttpStatus.NOT_ACCEPTABLE).body(e.getMessage());
+        }
 
-        return new ResponseEntity<>(HttpStatus.OK);
     }
 
     // 비밀번호 변경

backend/src/main/java/com/edufocus/edufocus/user/model/service/UserServiceImpl.java

@@ -72,11 +72,11 @@ public class UserServiceImpl implements UserService {
     @Override
     public void changeUserInfo(InfoDto infoDto, Long id) {
 
-        User user = userRepository.findById(id).orElseThrow(IllegalArgumentException::new);
+        User user = userRepository.findById(id).orElse(null);
 
 
         if (isEmailExist(infoDto.getEmail())) {
-            throw new IllegalArgumentException("이미 사용 중인 이메일입니다.");
+            throw new RuntimeException("이미 사용 중인 이메일입니다.");
 
         }