diff --git a/src/main/java/com/springboot/blog/entity/Category.java b/src/main/java/com/springboot/blog/entity/Category.java
index 2426772f..639474e5 100644
--- a/src/main/java/com/springboot/blog/entity/Category.java
+++ b/src/main/java/com/springboot/blog/entity/Category.java
@@ -19,9 +19,15 @@ public class Category {
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;
+
+    @Column(nullable = false)
     private String name;
+
     private String description;
 
+    @Column(unique = true, nullable = false)
+    private String slug;
+
     @OneToMany(mappedBy = "category", cascade = CascadeType.ALL, orphanRemoval = true)
     private List<Post> posts;
 }
diff --git a/src/main/java/com/springboot/blog/entity/User.java b/src/main/java/com/springboot/blog/entity/User.java
index b6fbd154..2a5b3948 100644
--- a/src/main/java/com/springboot/blog/entity/User.java
+++ b/src/main/java/com/springboot/blog/entity/User.java
@@ -6,6 +6,7 @@
 import lombok.NoArgsConstructor;
 import lombok.Setter;
 
+import java.util.Date;
 import java.util.Set;
 
 @Setter
@@ -19,14 +20,26 @@ public class User {
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;
+
+    @Column(nullable = false)
     private String name;
+
     @Column(nullable = false, unique = true)
     private String username;
+
     @Column(nullable = false, unique = true)
     private String email;
+
     @Column(nullable = false)
     private String password;
 
+    private String address;
+
+    @Column(unique = true)
+    private String postalCode;
+
+    private Date birthDate;
+
     @ManyToMany(fetch = FetchType.EAGER, cascade = CascadeType.ALL)
     @JoinTable(name = "users_roles",
             joinColumns = @JoinColumn(name = "user_id", referencedColumnName = "id"),
diff --git a/src/main/java/com/springboot/blog/payload/CategoryDto.java b/src/main/java/com/springboot/blog/payload/CategoryDto.java
index e14fffa5..980f37ea 100644
--- a/src/main/java/com/springboot/blog/payload/CategoryDto.java
+++ b/src/main/java/com/springboot/blog/payload/CategoryDto.java
@@ -12,5 +12,6 @@
 public class CategoryDto {
     private Long id;
     private String name;
+    private String slug;
     private String description;
 }