diff --git a/src/main/java/org/beta/RedisDAO.java b/src/main/java/org/beta/RedisDAO.java
index 42687ca58..bb4e56c42 100644
--- a/src/main/java/org/beta/RedisDAO.java
+++ b/src/main/java/org/beta/RedisDAO.java
@@ -97,10 +97,7 @@ public void commandSucceeded(CommandSucceededEvent event) {
 		connection = redisClient.connect();
 		syncCommands = connection.sync();
 		
-		
-		
-		
-		saveCollection(new MagicCollection("Library"));
+		initDefaultData();
 		
 	}
 	
@@ -357,6 +354,7 @@ public int saveOrUpdateContact(Contact c) throws SQLException {
 		if(c.getId()<0)
 			c.setId(incr(Contact.class).intValue());
 		
+		
 		syncCommands.set(key(c), serialiser.toJson(c));
 		
 		return c.getId();
diff --git a/src/main/java/org/magic/api/interfaces/abstracts/extra/AbstractKeyValueDao.java b/src/main/java/org/magic/api/interfaces/abstracts/extra/AbstractKeyValueDao.java
index 2a4bc62a2..042cce88d 100644
--- a/src/main/java/org/magic/api/interfaces/abstracts/extra/AbstractKeyValueDao.java
+++ b/src/main/java/org/magic/api/interfaces/abstracts/extra/AbstractKeyValueDao.java
@@ -1,6 +1,8 @@
 package org.magic.api.interfaces.abstracts.extra;
 
 
+import java.sql.SQLException;
+
 import org.magic.api.beans.Announce;
 import org.magic.api.beans.MagicCard;
 import org.magic.api.beans.MagicCardAlert;
@@ -15,6 +17,7 @@
 import org.magic.api.beans.technical.GedEntry;
 import org.magic.api.interfaces.MTGSerializable;
 import org.magic.api.interfaces.abstracts.AbstractMagicDAO;
+import org.magic.services.MTGConstants;
 
 public abstract class AbstractKeyValueDao extends AbstractMagicDAO {
 
@@ -36,7 +39,28 @@ public boolean isSQL() {
 	protected static final String KEY_NEWS ="news";
 	protected static final String KEY_GED ="ged";
 	
+	
+	@Override
+	public void init() throws SQLException {
+		initDefaultData();
+		
+	}
+	
 
+	protected void initDefaultData() throws SQLException
+	{
+		
+		if(listCollections().isEmpty()) {
+			for(String s : MTGConstants.getDefaultCollectionsNames())	
+				saveCollection(s);
+		}
+		
+		if(getContactById(1)==null)
+			saveOrUpdateContact(MTGConstants.DEFAULT_CONTACT);
+			
+	}
+	
+	
 	protected <T extends MTGSerializable> String key(GedEntry<T> gedItem) {
 		return KEY_GED+SEPARATOR+gedItem.getClasse().getSimpleName()+SEPARATOR+gedItem.getId();
 	}
diff --git a/src/main/java/org/magic/api/interfaces/abstracts/extra/AbstractMagicSQLDAO.java b/src/main/java/org/magic/api/interfaces/abstracts/extra/AbstractMagicSQLDAO.java
index 61d4d3bab..0c590a2ed 100644
--- a/src/main/java/org/magic/api/interfaces/abstracts/extra/AbstractMagicSQLDAO.java
+++ b/src/main/java/org/magic/api/interfaces/abstracts/extra/AbstractMagicSQLDAO.java
@@ -57,12 +57,12 @@
 import org.magic.api.pool.impl.NoPool;
 import org.magic.services.MTGControler;
 import org.magic.services.PluginRegistry;
-import org.magic.services.SQLTools;
 import org.magic.services.TechnicalServiceManager;
 import org.magic.services.tools.CryptoUtils;
 import org.magic.services.tools.IDGenerator;
 import org.magic.services.tools.ImageTools;
 import org.magic.services.tools.MTG;
+import org.magic.services.tools.SQLTools;
 
 import com.google.gson.JsonArray;
 import com.google.gson.JsonObject;
@@ -232,11 +232,7 @@ private boolean createDB() throws SQLException {
 
 			postCreation(stat);
 
-			logger.debug("populate default datas");
-			stat.executeUpdate(hlper.insertDefaultCollections());	
-			stat.executeUpdate(hlper.insertMainContact());
-
-
+		
 
 			createIndex(stat);
 
@@ -472,7 +468,9 @@ public void deleteAnnounce(Announce a) throws SQLException {
 	
 	protected void postCreation(Statement stat) throws SQLException
 	{
-		//do nothing
+		logger.debug("populate default datas");
+		stat.executeUpdate(hlper.insertDefaultCollections());	
+		stat.executeUpdate(hlper.insertMainContact());
 	}
 
 
diff --git a/src/main/java/org/magic/main/ChangeDAO.java b/src/main/java/org/magic/main/ChangeDAO.java
new file mode 100644
index 000000000..81c2f198f
--- /dev/null
+++ b/src/main/java/org/magic/main/ChangeDAO.java
@@ -0,0 +1,53 @@
+package org.magic.main;
+
+import java.awt.BorderLayout;
+
+import javax.swing.JButton;
+import javax.swing.JPanel;
+
+import org.magic.api.interfaces.MTGDao;
+import org.magic.gui.abstracts.MTGUIComponent;
+import org.magic.services.MTGConstants;
+import org.magic.services.MTGControler;
+import org.magic.services.tools.MTG;
+import org.magic.services.tools.UITools;
+
+public class ChangeDAO {
+	public static void main(String[] args) 
+	{
+		MTGControler.getInstance().loadAccountsConfiguration();
+		
+		var cbo  = UITools.createComboboxPlugins(MTGDao.class, true);
+		var btnValid = new JButton("Validate");
+		
+		var pane = new JPanel();
+		pane.setLayout(new BorderLayout());		
+		pane.add(cbo,BorderLayout.CENTER);
+		pane.add(btnValid,BorderLayout.SOUTH);
+		
+		
+		var diag = MTGUIComponent.createJDialog(MTGUIComponent.build(pane, "Change DAO", MTGConstants.ICON_TAB_DAO), false, false);
+		diag.setVisible(true);
+		
+		
+		btnValid.addActionListener(al->{
+			
+			var selectedProvider = (MTGDao)cbo.getSelectedItem();
+			selectedProvider.enable(true);
+			MTGControler.getInstance().setProperty(selectedProvider, selectedProvider.isEnable());
+			
+			MTG.listPlugins(MTGDao.class).stream().filter(p->p!=selectedProvider).forEach(p->{
+					p.enable(false);
+					MTGControler.getInstance().setProperty(p, p.isEnable());
+			});
+			
+			
+			System.exit(0);
+			
+		});
+		
+		
+		
+	}
+
+}
diff --git a/src/main/java/org/magic/services/MTGConstants.java b/src/main/java/org/magic/services/MTGConstants.java
index 6e9bec0d9..081876bf3 100644
--- a/src/main/java/org/magic/services/MTGConstants.java
+++ b/src/main/java/org/magic/services/MTGConstants.java
@@ -20,6 +20,7 @@
 import org.jdesktop.swingx.util.PaintUtils;
 import org.magic.api.beans.MagicCollection;
 import org.magic.api.beans.MagicEdition;
+import org.magic.api.beans.shop.Contact;
 import org.magic.services.providers.IconSetProvider;
 
 import freemarker.template.Configuration;
@@ -46,6 +47,22 @@ public static String[] getDefaultCollectionsNames() {
 		return DEFAULT_COLLECTIONS_NAMES;
 	}
 
+	public static final Contact DEFAULT_CONTACT;
+
+	static {
+		DEFAULT_CONTACT = new Contact();
+		DEFAULT_CONTACT.setId(1);
+		DEFAULT_CONTACT.setName("MTG");
+		DEFAULT_CONTACT.setLastName("Companion");
+		DEFAULT_CONTACT.setTelephone("123456789");
+		DEFAULT_CONTACT.setAddress("Somewhere");
+		DEFAULT_CONTACT.setCity("In the middle of nowhere");
+		DEFAULT_CONTACT.setWebsite("https://www.mtgcompanion.org");
+		DEFAULT_CONTACT.setEmail("mtgdesktopcompanion@gmail.com");
+		DEFAULT_CONTACT.setActive(true);
+		DEFAULT_CONTACT.setEmailAccept(true);
+	}
+	
 	
 //CONFIG FILES CONSTANTS
 	public static final String MTG_DESKTOP_VERSION_FILE = "/version";
diff --git a/src/main/java/org/magic/services/SQLTools.java b/src/main/java/org/magic/services/tools/SQLTools.java
similarity index 98%
rename from src/main/java/org/magic/services/SQLTools.java
rename to src/main/java/org/magic/services/tools/SQLTools.java
index e2dbcbd26..191757b64 100644
--- a/src/main/java/org/magic/services/SQLTools.java
+++ b/src/main/java/org/magic/services/tools/SQLTools.java
@@ -1,4 +1,4 @@
-package org.magic.services;
+package org.magic.services.tools;
 
 import org.apache.logging.log4j.Logger;
 import org.jooq.DSLContext;
@@ -9,6 +9,8 @@
 import org.jooq.conf.StatementType;
 import org.jooq.impl.DSL;
 import org.jooq.impl.SQLDataType;
+import org.magic.services.MTGConstants;
+import org.magic.services.TransactionService;
 import org.magic.services.logging.MTGLogger;