diff --git a/bin/padmin b/bin/padmin
index 1874625..8f71ebb 100755
--- a/bin/padmin
+++ b/bin/padmin
@@ -64,6 +64,23 @@ function padminConsole($options)
 
 
 	WebModel::load_model($options['model']);
+    
+    //Load classes not defined in Webmodel::$model
+    
+    $arr_classes=get_declared_classes();
+    
+    foreach($arr_classes as $class)
+    {
+        
+        if(get_parent_class($class)==='PhangoApp\PhaModels\Webmodel')
+        {
+            
+            Webmodel::$model[strtolower($class)]=new $class();
+            
+        }
+        
+    }
+    
 
 	try {
 
@@ -290,7 +307,7 @@ function update_table()
 						
 						$id_table_related=Webmodel::load_id_model_related(Webmodel::$model[$key]->components[$field], Webmodel::$model);
 						
-						Webmodel::$arr_sql_set_index[$key][$field]='ALTER TABLE `'.$key.'` ADD CONSTRAINT `'.$field.'_'.$key.'IDX` FOREIGN KEY ( `'.$field.'` ) REFERENCES `'.$table_related.'` (`'.$id_table_related.'`) ON DELETE RESTRICT ON UPDATE RESTRICT;';
+						Webmodel::$arr_sql_set_index[$key][$field]='ALTER TABLE `'.$key.'` ADD CONSTRAINT `'.$field.'_'.$key.'IDX` FOREIGN KEY ( `'.$field.'` ) REFERENCES `'.$table_related.'` (`'.$id_table_related.'`) ON DELETE CASCADE ON UPDATE CASCADE;';
 						
 
 					}
@@ -364,7 +381,7 @@ function update_table()
 					
 					$id_table_related=Webmodel::load_id_model_related(Webmodel::$model[$key]->components[$new_field], Webmodel::$model);
 					
-					Webmodel::$arr_sql_set_index[$key][$new_field]='ALTER TABLE `'.$key.'` ADD CONSTRAINT `'.$new_field.'_'.$key.'IDX` FOREIGN KEY ( `'.$new_field.'` ) REFERENCES `'.$table_related.'` (`'.$id_table_related.'`) ON DELETE RESTRICT ON UPDATE RESTRICT;';
+					Webmodel::$arr_sql_set_index[$key][$new_field]='ALTER TABLE `'.$key.'` ADD CONSTRAINT `'.$new_field.'_'.$key.'IDX` FOREIGN KEY ( `'.$new_field.'` ) REFERENCES `'.$table_related.'` (`'.$id_table_related.'`) ON DELETE CASCADE ON UPDATE CASCADE;';
 
 				}
 		
diff --git a/src/CoreFields/ArrayField.php b/src/CoreFields/ArrayField.php
index 13da650..d57f736 100644
--- a/src/CoreFields/ArrayField.php
+++ b/src/CoreFields/ArrayField.php
@@ -4,9 +4,22 @@ namespace PhangoApp\PhaModels\CoreFields;
 
 /**
 *
+* Class for create json strings with values
+* 
 */
 
 class ArrayField extends SerializeField {
+    
+    public $key_value='';
+
+    public function __construct($related_type, $key_value='')
+    {
+        
+        parent::__construct($related_type);
+        
+        $this->key_value=$key_value;
+        
+    }
 
 	/**
 	* This function is used for show the value on a human format
@@ -15,7 +28,7 @@ class ArrayField extends SerializeField {
 	public function show_formatted($value, $key_value='')
 	{
 	
-		$real_value=unserialize($value);
+		$real_value=json_decode($value, true);
 	
 		if($key_value==='')
 		{
@@ -24,10 +37,10 @@ class ArrayField extends SerializeField {
 			
 		}
 		else
-		if(isset($real_value[$key_value]))
+		if(isset($real_value[$this->key_value]))
 		{
 		
-			return $real_value[$key_value];
+			return $real_value[$this->key_value];
 		
 		}
 
@@ -35,4 +48,4 @@ class ArrayField extends SerializeField {
 
 }
 
-?>
\ No newline at end of file
+?>
diff --git a/src/CoreFields/BigIntegerField.php b/src/CoreFields/BigIntegerField.php
new file mode 100644
index 0000000..5f0359b
--- /dev/null
+++ b/src/CoreFields/BigIntegerField.php
@@ -0,0 +1,23 @@
+<?php
+
+/**
+* BigIntegerfield is a field for big integers values.
+*  
+*/
+
+namespace PhangoApp\PhaModels\CoreFields;
+use PhangoApp\PhaUtils\Utils;
+use PhangoApp\PhaI18n\I18n;
+
+class BigIntegerField extends IntegerField {
+
+	function get_type_sql()
+	{
+
+		return 'BIGINT('.$this->size.') NOT NULL DEFAULT "0"';
+
+	}
+
+}
+
+?>
diff --git a/src/CoreFields/ForeignKeyField.php b/src/CoreFields/ForeignKeyField.php
index e7da30a..47cd3b7 100644
--- a/src/CoreFields/ForeignKeyField.php
+++ b/src/CoreFields/ForeignKeyField.php
@@ -25,7 +25,7 @@ class ForeignKeyField extends IntegerField{
 	public $fields_related_model;
 	public $name_field_to_field;
 	
-	function __construct($related_model, $size=11, $default_id=0, $name_field='', $name_value='')
+	function __construct($related_model, $size=11, $default_id=0, $name_field='', $select_fields=[])
 	{
 
 		$this->size=$size;
@@ -33,14 +33,14 @@ class ForeignKeyField extends IntegerField{
 		$this->related_model=$related_model;
 		$this->container_model=$this->related_model->name;
 		//Fields obtained from related_model if you make a query...
-		$this->fields_related_model=array();
+		$this->fields_related_model=$select_fields;
 		//Representative field for related model...
 		$this->name_field_to_field=$name_field;
 		$this->default_id=$default_id;
 		$this->quot_open='';
 		$this->quot_close='';
 		$this->protected=0;
-		$this->parameters=array($this->related_model, $name_field, $name_value);
+		$this->parameters=array($this->related_model, $name_field);
 
 	}
 	
diff --git a/src/CoreFields/ParentField.php b/src/CoreFields/ParentField.php
index 4fa3c7f..6cac16f 100644
--- a/src/CoreFields/ParentField.php
+++ b/src/CoreFields/ParentField.php
@@ -12,15 +12,28 @@ class ParentField extends IntegerField{
 	//field related in the model...
 	public $parent_model='';
 
-	function __construct($size=11, $parent_model, $name_field='', $name_value='')
+	function __construct($size=11, $name_field='', $name_value='')
 	{
 
-		$this->parent_model=$parent_model;
+        //You need define directly if you dont declare an instance class in a model
+		//$this->parent_model=$parent_model;
+        
 		$this->size=$size;
-		$this->form='PhangoApp\PhaModels\Forms\SelectModelForm';
-		$this->parameters=array($this->parent_model, $name_field, $name_value);
+        $this->name_field=$name_field;
+        $this->name_value=$name_value;	
+		
 
 	}
+	
+	function after_register()
+	{
+        
+		$this->parent_model=$this->model_instance;
+        $this->form='PhangoApp\PhaModels\Forms\SelectModelForm';
+        $this->parameters=array($this->parent_model, $this->name_field, $this->name_value);
+	
+	}
+    
 
 	function check($value)
 	{
diff --git a/src/CoreFields/PhangoField.php b/src/CoreFields/PhangoField.php
index 9405c53..55eec17 100644
--- a/src/CoreFields/PhangoField.php
+++ b/src/CoreFields/PhangoField.php
@@ -154,6 +154,19 @@ class PhangoField {
 	
 		
 	
+	}
+    
+    /**
+	* Method used for make things after of register in the model
+	*
+	* 
+	*/
+	
+	function after_register()
+	{
+	
+		
+	
 	}
 
 	/** 
@@ -219,4 +232,4 @@ class PhangoField {
 	
 }
 
-?>
\ No newline at end of file
+?>
diff --git a/src/Webmodel.php b/src/Webmodel.php
index 73e32af..7b3f931 100644
--- a/src/Webmodel.php
+++ b/src/Webmodel.php
@@ -430,11 +430,18 @@ class Webmodel {
 	* 
 	*/
 	
-	public function __construct($name_model, $cache=0, $type_cache='PhangoApp\PhaModels\Cache::file_cache')
+	public function __construct($name_model='', $cache=0, $type_cache='PhangoApp\PhaModels\Cache::file_cache')
 	{
 	
 		//Webmodel::$root_model='app/'.$name_model.'/'.Webmodel::$model_path;
 
+        if($name_model=='')
+        {
+            
+            $name_model=strtolower(get_class($this));
+            
+        }
+
 		$this->name=$name_model;
 		$this->idmodel='Id'.ucfirst($this->name);
 		$this->components[$this->idmodel]=new PrimaryField();
@@ -457,13 +464,22 @@ class Webmodel {
 		Webmodel::$model[$name_model]=&$this;
 		
 		Webmodel::$m->$name_model=&Webmodel::$model[$name_model];
+        
+        $this->load_components();
 		
 	}
 	
 	/**
-	* 
+	*  Method for load fields from a method called load_components
 	*
 	*/
+    
+    public function load_components()
+    {
+        
+        
+        
+    }
 	
 	/**
 	* Method for load models from a project.
@@ -1670,7 +1686,7 @@ class Webmodel {
 
 				//'Id'.ucfirst($this->components[$field]->related_model);				
 				
-				Webmodel::$arr_sql_set_index[$this->name][$field]='ALTER TABLE `'.$this->name.'` ADD CONSTRAINT `'.$field.'_'.$this->name.'IDX` FOREIGN KEY ( `'.$field.'` ) REFERENCES `'.$table_related.'` (`'.$id_table_related.'`) ON DELETE RESTRICT ON UPDATE RESTRICT;';
+				Webmodel::$arr_sql_set_index[$this->name][$field]='ALTER TABLE `'.$this->name.'` ADD CONSTRAINT `'.$field.'_'.$this->name.'IDX` FOREIGN KEY ( `'.$field.'` ) REFERENCES `'.$table_related.'` (`'.$id_table_related.'`) ON DELETE CASCADE ON UPDATE CASCADE;';
 
 			}
 		}
@@ -2258,6 +2274,7 @@ class Webmodel {
 		$this->components[$name]->required=$required;
 		
 		$this->components[$name]->set_relationships();
+        $this->components[$name]->after_register();
 	
 	}