diff --git a/src/Configuracion.java b/src/Configuracion.java
new file mode 100644
index 0000000..aa96f49
--- /dev/null
+++ b/src/Configuracion.java
@@ -0,0 +1,43 @@
+
+
+    import java.io.FileNotFoundException;
+    import java.io.FileReader;
+    import java.io.FileWriter;
+    import java.io.IOException;
+    import java.util.Properties;
+
+    public class Configuracion {
+    	private static String direccion=".config";
+    	/**
+    	 * Guarda la configuracion del menu en un fichero oculto
+    	 * 
+    	 * @param menu	Menu del que se guardan los datos
+    	 */
+    	public static void guardarConfiguracion(String passwd) {
+    		Properties configuracion = new Properties();
+    		configuracion.setProperty("passwd", passwd);
+    		try {
+                configuracion.store(new FileWriter(Configuracion.direccion), "Configuracion general");
+            } catch (IOException e1) {
+                e1.printStackTrace();
+            }
+    	}
+    	
+    	/**
+    	 * Carga la configuracion del menu
+    	 * 
+    	 * @param menu	menu en el que carga la configuracio
+    	 * @throws IOException
+    	 */
+    	public static String cargarConfiguracion() throws IOException {
+    		Properties configuracion = new Properties();
+    		//"jdbc:mariadb://localhost:3306/gestionGastos?user=root&password=1234"
+    		String ret = "jdbc:mariadb://localhost:3306/gestionGastos?user=root&password=";
+    		configuracion.load(new FileReader(Configuracion.direccion));
+			ret+=configuracion.getProperty("passwd");
+    		
+    		return ret;
+    		
+    	}
+    	
+    }
diff --git a/src/Controlador.java b/src/Controlador.java
index 686d768..479a760 100644
--- a/src/Controlador.java
+++ b/src/Controlador.java
@@ -28,6 +28,8 @@ public class Controlador implements ActionListener{
 		this.vista.eliminar.setActionCommand("eliminar");
 		this.vista.buscar.addActionListener(this);
 		this.vista.buscar.setActionCommand("buscar");
+		this.vista.cargarPasswd.addActionListener(this);
+		this.vista.cargarPasswd.setActionCommand("pass");
 	}
 
 	@Override
@@ -88,6 +90,10 @@ public class Controlador implements ActionListener{
 			}
 			break;
 		}
+		case "pass":{
+			Configuracion.guardarConfiguracion(String.valueOf(this.vista.pass.getPassword()));
+			break;
+		}
 		}
 		
 	}
diff --git a/src/Main.java b/src/Main.java
index 9427c06..b6215ea 100644
--- a/src/Main.java
+++ b/src/Main.java
@@ -12,7 +12,7 @@ public class Main {
 		Modelo modelo = new Modelo();
 		Controlador controlador = new Controlador(vista, modelo);
 		JFrame frame = new JFrame();
-		frame.setSize(200, 500);
+		frame.setSize(500, 500);
 		frame.add(vista);
 		frame.setVisible(true);
 	}
diff --git a/src/Modelo.java b/src/Modelo.java
index af3003d..65c39ec 100644
--- a/src/Modelo.java
+++ b/src/Modelo.java
@@ -1,4 +1,5 @@
 
+import java.io.IOException;
 import java.sql.Connection;
 import java.sql.DriverManager;
 import java.sql.PreparedStatement;
@@ -19,7 +20,19 @@ public class Modelo {
 	
 	Modelo(){
 		try {
-			connection = DriverManager.getConnection("jdbc:mariadb://localhost:3306/gestionGastos?user=root&password=1234");
+			String configuracion = null;
+			try {
+				configuracion = Configuracion.cargarConfiguracion();
+			}catch (Exception e) {
+				Configuracion.guardarConfiguracion("1234");
+				try {
+					configuracion = Configuracion.cargarConfiguracion();
+				} catch (IOException e1) {
+					// TODO Auto-generated catch block
+					e1.printStackTrace();
+				}
+			}
+			connection = DriverManager.getConnection(configuracion);
 			Statement crearDB = connection.createStatement();
 			crearDB.executeQuery(Modelo.crearDB);
 			crearDB.executeUpdate(Modelo.crearTranasccion);
diff --git a/src/Vista.java b/src/Vista.java
index 72369e2..19b75e5 100644
--- a/src/Vista.java
+++ b/src/Vista.java
@@ -1,8 +1,10 @@
+import java.awt.Dimension;
 import java.awt.GridBagConstraints;
 import java.awt.GridBagLayout;
 
 import javax.swing.JButton;
 import javax.swing.JPanel;
+import javax.swing.JPasswordField;
 import javax.swing.JTextField;
 
 public class Vista extends JPanel{
@@ -19,6 +21,9 @@ public class Vista extends JPanel{
 	JButton buscar;
 	JTextField textoNombreViejo;
 	JTextField insertarNombreViejo;
+	JTextField titulopPasswd;
+	JPasswordField pass;
+	JButton cargarPasswd;
 	
 	public Vista() {
 		this.setLayout(new GridBagLayout());
@@ -82,5 +87,20 @@ public class Vista extends JPanel{
 		constrain.gridx = 1;
 		constrain.gridy = 4;
 		this.add(this.insertarNombreViejo, constrain);
+		
+		this.titulopPasswd = new JTextField("Cambiar DB passwd");
+		this.titulopPasswd.setEditable(false);
+		constrain.gridx = 0;
+		constrain.gridy = 5;
+		this.add(this.titulopPasswd,constrain);
+		this.pass = new JPasswordField();
+		this.pass.setPreferredSize(new Dimension(80, 17));
+		constrain.gridx = 1;
+		constrain.gridy = 5;
+		this.add(this.pass,constrain);
+		this.cargarPasswd = new JButton("cambiar");
+		constrain.gridx = 2;
+		constrain.gridy = 5;
+		this.add(this.cargarPasswd,constrain);
 	}
 }