diff --git a/src/main/java/com/ieslamar/GestionInventario/DataInitializer.java b/src/main/java/com/ieslamar/GestionInventario/DataInitializer.java
new file mode 100644
index 0000000..86104dc
--- /dev/null
+++ b/src/main/java/com/ieslamar/GestionInventario/DataInitializer.java
@@ -0,0 +1,20 @@
+
+package com.ieslamar.GestionInventario;
+import com.ieslamar.GestionInventario.entities.Role;
+import com.ieslamar.GestionInventario.services.UserService;
+import org.springframework.boot.CommandLineRunner;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class DataInitializer {
+
+//    @Bean
+//    public CommandLineRunner initData(UserService userService) {
+//        return args -> {
+//            userService.registerUser("admin", "admin123", Role.ADMIN.name(), "admin123@ejemplo.com");
+//            userService.registerUser("user", "user123", Role.USER.name(), "user123@ejemplo.com");
+//        };
+//    }
+}
+
diff --git a/src/main/java/com/ieslamar/GestionInventario/GestionInventarioApplication.java b/src/main/java/com/ieslamar/GestionInventario/GestionInventarioApplication.java
index 40b2695..e879a71 100644
--- a/src/main/java/com/ieslamar/GestionInventario/GestionInventarioApplication.java
+++ b/src/main/java/com/ieslamar/GestionInventario/GestionInventarioApplication.java
@@ -1,5 +1,6 @@
 package com.ieslamar.GestionInventario;
 
+import com.ieslamar.GestionInventario.controllers.UserController;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
diff --git a/src/main/java/com/ieslamar/GestionInventario/controllers/AuthController.java b/src/main/java/com/ieslamar/GestionInventario/controllers/AuthController.java
index 8951063..f937944 100644
--- a/src/main/java/com/ieslamar/GestionInventario/controllers/AuthController.java
+++ b/src/main/java/com/ieslamar/GestionInventario/controllers/AuthController.java
@@ -15,8 +15,8 @@ public class AuthController {
     }
 
     @PostMapping("/register")
-    public ResponseEntity<String> register(@RequestParam String username, @RequestParam String password, @RequestParam String role) {
-        userService.registerUser(username, password, role);
+    public ResponseEntity<String> register(@RequestParam String username, @RequestParam String password, @RequestParam String role, @RequestParam String mail) {
+        userService.registerUser(username, password, role, mail);
         return ResponseEntity.ok("User registered successfully");
     }
 }
diff --git a/src/main/java/com/ieslamar/GestionInventario/controllers/UserController.java b/src/main/java/com/ieslamar/GestionInventario/controllers/UserController.java
index 3cd47ab..46ed7c4 100644
--- a/src/main/java/com/ieslamar/GestionInventario/controllers/UserController.java
+++ b/src/main/java/com/ieslamar/GestionInventario/controllers/UserController.java
@@ -34,8 +34,8 @@ public class UserController {
     }
 
     @PostMapping("/register")
-    public String register(@RequestParam String username, @RequestParam String password, @RequestParam String role) {
-        userService.registerUser(username, password, role);
+    public String register(@RequestParam String username, @RequestParam String password, @RequestParam String role, @RequestParam String mail) {
+        userService.registerUser(username, password, role, mail);
         return "redirect:/login?success";  // Redirige al login tras registrarse
     }
 }
diff --git a/src/main/java/com/ieslamar/GestionInventario/entities/User.java b/src/main/java/com/ieslamar/GestionInventario/entities/User.java
index 7a4b6cd..0c7d38f 100644
--- a/src/main/java/com/ieslamar/GestionInventario/entities/User.java
+++ b/src/main/java/com/ieslamar/GestionInventario/entities/User.java
@@ -15,7 +15,7 @@ public class User {
     private Long id;
 
     @Column(nullable = false, unique = true)  // No se permite usuarios duplicados
-    private String username;
+    private String nombre;
 
     @Column(nullable = false)
     private String password;
@@ -23,6 +23,10 @@ public class User {
     @Enumerated(EnumType.STRING)
     @Column(nullable = false)
     private Role role;  // Rol del usuario (USER o ADMIN)
+
+    @Column(nullable = false, unique = true)  // No se permite emails duplicados
+    private String mail;
+
 }
 
 
diff --git a/src/main/java/com/ieslamar/GestionInventario/repos/UserRepository.java b/src/main/java/com/ieslamar/GestionInventario/repos/UserRepository.java
index 52ef6ab..d4a5ea7 100644
--- a/src/main/java/com/ieslamar/GestionInventario/repos/UserRepository.java
+++ b/src/main/java/com/ieslamar/GestionInventario/repos/UserRepository.java
@@ -5,5 +5,5 @@ import org.springframework.data.jpa.repository.JpaRepository;
 import java.util.Optional;
 
 public interface UserRepository extends JpaRepository<User, Long> {
-    Optional<User> findByUsername(String username);
+    Optional<User> findByNombre(String username);
 }
diff --git a/src/main/java/com/ieslamar/GestionInventario/services/UserDetailsServiceImpl.java b/src/main/java/com/ieslamar/GestionInventario/services/UserDetailsServiceImpl.java
index a3fd610..13431c5 100644
--- a/src/main/java/com/ieslamar/GestionInventario/services/UserDetailsServiceImpl.java
+++ b/src/main/java/com/ieslamar/GestionInventario/services/UserDetailsServiceImpl.java
@@ -21,11 +21,11 @@ public class UserDetailsServiceImpl implements UserDetailsService {
 
     @Override
     public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
-        User user = userRepository.findByUsername(username)
+        User user = userRepository.findByNombre(username)
                 .orElseThrow(() -> new UsernameNotFoundException("Usuario no encontrado"));
 
         return new org.springframework.security.core.userdetails.User(
-                user.getUsername(),
+                user.getNombre(),
                 user.getPassword(),
                 Collections.singletonList(new SimpleGrantedAuthority("ROLE_" + user.getRole().name()))
         );
diff --git a/src/main/java/com/ieslamar/GestionInventario/services/UserService.java b/src/main/java/com/ieslamar/GestionInventario/services/UserService.java
index e28108a..2ca58e9 100644
--- a/src/main/java/com/ieslamar/GestionInventario/services/UserService.java
+++ b/src/main/java/com/ieslamar/GestionInventario/services/UserService.java
@@ -17,11 +17,12 @@ public class UserService {
         this.passwordEncoder = passwordEncoder;
     }
 
-    public void registerUser(String username, String password, String role) {
+    public void registerUser(String username, String password, String role, String mail) {
         User user = new User();
-        user.setUsername(username);
+        user.setNombre(username);
         user.setPassword(passwordEncoder.encode(password));
         user.setRole(Role.valueOf(role));
+        user.setMail(mail);
         userRepository.save(user);
     }
 }
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index fb96634..9ba348e 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -14,7 +14,7 @@ spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
 
 # Configuración de JPA e Hibernate
 spring.jpa.database-platform=org.hibernate.dialect.MySQL8Dialect
-spring.jpa.hibernate.ddl-auto=update
+#spring.jpa.hibernate.ddl-auto=update