chore: update

account-service/src/main/java/com/drinkool/models/UserModel.java

@@ -24,12 +24,14 @@ public abstract class UserModel extends BaseEntity {
 	public String hashedPassword;
 
 	@Transient
-	protected final String role;
+	public String role;
 
 	protected UserModel(String role) {
 		this.role = role;
 	}
 
+	public UserModel() {}
+
 	@Transactional
 	public void signup(String name, String phone, String rawPassword) {
 		UserModel existedUser = UserModel.find("phone", phone).firstResult();