NavmeshAgent not moving,,

i make simple navmeshagent script. I want to make enemy walk to player, but iw not working,
This my script :

using UnityEngine;
using System.Collections;

public class EnemyScript : MonoBehaviour
{
	public Transform Player;
	NavMeshAgent agent;

	void Start ()
	{
		agent = GetComponent<NavMeshAgent> ();
	}

	void Update()
	{
		agent.destination = Player.position;
	}

}

my problem this :

alt text

how i can to fix this ??, please help me,

I tested the script exactly as you posted it and it work just fine. You probably forgot to bake the navigation mesh.