修正邮箱格式

src/main/java/co/jp/app/dto/RegistrationDto.java

@@ -1,7 +1,7 @@
 package co.jp.app.dto;
 
 import jakarta.validation.constraints.Email;
-import jakarta.validation.constraints.NotBlank; // 或 javax.validation.constraints.NotBlank
+import jakarta.validation.constraints.NotBlank;
 import jakarta.validation.constraints.Pattern;
 import jakarta.validation.constraints.Size;
 

src/main/java/co/jp/app/service/UserService.java

@@ -31,16 +31,10 @@ public class UserService implements UserDetailsService {
 		this.passwordEncoder = passwordEncoder;
 	}
 
-	
 	public UserEntity registerNewUser(@NotNull RegistrationDto registrationDto) throws BusinessException {
 
 		if (userRepository.existsByEmail(registrationDto.getEmail())) {
-			throw new BusinessException(ResultCode.USER_USERNAME_ALREADY_EXISTS,"error: Name" + registrationDto.getName() + " had been used");
-		}
-
-		//密码最短6位限制
-		if (registrationDto.getPassword() == null || registrationDto.getPassword().length() < 6) {
-			throw new BusinessException(ResultCode.USER_PASSWORD_TOO_SHORT);
+			throw new BusinessException(ResultCode.USER_EMAIL_ALREADY_EXISTS,"error: Email" + registrationDto.getEmail() + " had been used");
 		}
 
 		UserEntity newUser = new UserEntity();
@@ -50,8 +44,6 @@ public class UserService implements UserDetailsService {
 
 		return userRepository.save(newUser);
 	}
-
-	
 	
 	@Override
 	@Transactional(readOnly = true)