diff --git a/src/main/java/me/dio/controller/dto/UserDto.java b/src/main/java/me/dio/controller/dto/UserDto.java
index 9070467..729637e 100644
--- a/src/main/java/me/dio/controller/dto/UserDto.java
+++ b/src/main/java/me/dio/controller/dto/UserDto.java
@@ -10,17 +10,17 @@ public record UserDto(
         Long id,
         String name, 
         AccountDto account, 
+        CardDto card, 
         List<FeatureDto> features, 
-        List<CardDto> cards, 
         List<NewsDto> news) {
 
     public static UserDto fromModel(User model) {
         var accountDto = AccountDto.fromModel(model.getAccount());
+        var cardDto = CardDto.fromModel(model.getCard());
         var featuresDto = model.getFeatures().stream().map(FeatureDto::fromModel).collect(toList());
-        var cardsDto = model.getCards().stream().map(CardDto::fromModel).collect(toList());
         var newsDto = model.getNews().stream().map(NewsDto::fromModel).collect(toList());
 
-        return new UserDto(model.getId(), model.getName(), accountDto, featuresDto, cardsDto, newsDto);
+        return new UserDto(model.getId(), model.getName(), accountDto, cardDto, featuresDto, newsDto);
     }
 
     public User toModel() {
@@ -28,8 +28,8 @@ public User toModel() {
         model.setId(this.id);
         model.setName(this.name);
         model.setAccount(this.account.toModel());
+        model.setCard(this.card.toModel());
         model.setFeatures(this.features.stream().map(FeatureDto::toModel).collect(toList()));
-        model.setCards(this.cards.stream().map(CardDto::toModel).collect(toList()));
         model.setNews(this.news.stream().map(NewsDto::toModel).collect(toList()));
         return model;
     }
diff --git a/src/main/java/me/dio/domain/model/Account.java b/src/main/java/me/dio/domain/model/Account.java
index c938bea..a9267d4 100644
--- a/src/main/java/me/dio/domain/model/Account.java
+++ b/src/main/java/me/dio/domain/model/Account.java
@@ -8,7 +8,7 @@
 import jakarta.persistence.GenerationType;
 import jakarta.persistence.Id;
 
-@Entity(name = "tb_accounts")
+@Entity(name = "tb_account")
 public class Account {
 
     @Id
diff --git a/src/main/java/me/dio/domain/model/Card.java b/src/main/java/me/dio/domain/model/Card.java
index 2d79d58..b737c9a 100644
--- a/src/main/java/me/dio/domain/model/Card.java
+++ b/src/main/java/me/dio/domain/model/Card.java
@@ -8,7 +8,7 @@
 import jakarta.persistence.GenerationType;
 import jakarta.persistence.Id;
 
-@Entity(name = "tb_cards")
+@Entity(name = "tb_card")
 public class Card {
     
     @Id
diff --git a/src/main/java/me/dio/domain/model/Feature.java b/src/main/java/me/dio/domain/model/Feature.java
index 9a35481..ddf073b 100644
--- a/src/main/java/me/dio/domain/model/Feature.java
+++ b/src/main/java/me/dio/domain/model/Feature.java
@@ -2,7 +2,7 @@
 
 import jakarta.persistence.Entity;
 
-@Entity(name = "tb_features")
+@Entity(name = "tb_feature")
 public class Feature extends BaseItem {
     
 }
diff --git a/src/main/java/me/dio/domain/model/User.java b/src/main/java/me/dio/domain/model/User.java
index ecac8a5..00ca277 100644
--- a/src/main/java/me/dio/domain/model/User.java
+++ b/src/main/java/me/dio/domain/model/User.java
@@ -11,7 +11,7 @@
 import jakarta.persistence.OneToMany;
 import jakarta.persistence.OneToOne;
 
-@Entity(name = "tb_users")
+@Entity(name = "tb_user")
 public class User {
     
     @Id
@@ -22,13 +22,13 @@ public class User {
 
     @OneToOne(cascade = CascadeType.ALL)
     private Account account;
+    
+    @OneToOne(cascade = CascadeType.ALL)
+    private Card card;
 
     @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.EAGER)
     private List<Feature> features;
 
-    @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.EAGER)
-    private List<Card> cards;
-
     @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.EAGER)
     private List<News> news;
 
@@ -56,20 +56,20 @@ public void setAccount(Account account) {
         this.account = account;
     }
 
-    public List<Feature> getFeatures() {
-        return features;
+    public Card getCard() {
+        return card;
     }
 
-    public void setFeatures(List<Feature> features) {
-        this.features = features;
+    public void setCard(Card card) {
+        this.card = card;
     }
 
-    public List<Card> getCards() {
-        return cards;
+    public List<Feature> getFeatures() {
+        return features;
     }
 
-    public void setCards(List<Card> cards) {
-        this.cards = cards;
+    public void setFeatures(List<Feature> features) {
+        this.features = features;
     }
 
     public List<News> getNews() {
diff --git a/src/main/java/me/dio/service/impl/UserServiceImpl.java b/src/main/java/me/dio/service/impl/UserServiceImpl.java
index cd4ef8d..aab831e 100644
--- a/src/main/java/me/dio/service/impl/UserServiceImpl.java
+++ b/src/main/java/me/dio/service/impl/UserServiceImpl.java
@@ -47,8 +47,8 @@ public User update(Long id, User userToUpdate) {
 
         dbUser.setName(userToUpdate.getName());
         dbUser.setAccount(userToUpdate.getAccount());
+        dbUser.setCard(userToUpdate.getCard());
         dbUser.setFeatures(userToUpdate.getFeatures());
-        dbUser.setCards(userToUpdate.getCards());
         dbUser.setNews(userToUpdate.getNews());
 
         return this.userRepository.save(dbUser);