Animation problem

Unity Engine
1

Hi guys i hv a enemy ai script. everything works fine but now when i put the animation my enemy chase me and when he start hit i take the damage but it dont play attack animation. it just keep running near my wild do the damage. I know thats probably a problem of prioratize the atack animation over the run animation but i try lots of changes and im not getting ther can anyone help plz?

This is the script:

using UnityEngine;
using System.Collections;
public class EnemyAI : MonoBehaviour
{
    float distance;
    float lookAtDistance = 25.0f;
    float chaseRange = 15.0f;
    float damping = 6.0f;
    float range = 1.25f;
    float attackDelay = 1.0f;
    float nextAttackTime = 0.0f;
    public int damage;
    public int speed;
    bool isReturning;
    public AnimationClip idle;
    public AnimationClip run;
    public AnimationClip attack;
    public Transform target;
    private Vector3 initialPosition;
    public CharacterController controller;
    void Start()
    {
        initialPosition = transform.position;
        isReturning = false;
    }
    void Update()
    {
        if (!isReturning)
        {
            distance = Vector3.Distance(target.position, transform.position);
        
            if (distance < lookAtDistance)
            {
                animation.CrossFade (idle.name);
                LookAt (target.position);
            }
        
            if(distance > lookAtDistance && distance > chaseRange) //LookDistance is always bigger than the attackRange so i commented it out. //if (distance > lookAtDistance) && distance>attackRange)
            {
                isReturning = true;
                animation.CrossFade(run.name);
            }
        
            if (distance < chaseRange)
            {
                transform.LookAt(target.position);
                controller.SimpleMove(transform.forward*speed);
                animation.CrossFade(run.name);
            
            }
        
            if(distance <= range)
            {
                if(Time.time > nextAttackTime)
                {
                    nextAttackTime = Time.time + attackDelay;
                    Attack ();
                }
            }
            else
            {
                nextAttackTime = Time.time + attackDelay;
            }
        }
        else
        {
            LookAt (initialPosition);
            MovePlayerForward();
        
            distance = Vector3.Distance(initialPosition, transform.position);
            if (distance <20)
            {
                isReturning = false;
            }
        }
    }
    void LookAt(Vector3 targetPosition)
    {
        Quaternion rotation = Quaternion.LookRotation(targetPosition - transform.position);
        transform.rotation = Quaternion.Slerp(transform.rotation, rotation, Time.deltaTime * damping);
    }
    void MovePlayerForward()
    {
        transform.Translate(Vector3.forward * speed * Time.deltaTime);
    }
    private void Attack()
    {
        float distance = Vector3.Distance (target.transform.position, transform.position);
    
        if (distance < 1.5f)
        {
            animation.Play(attack.name);
            PlayerHealth ph = (PlayerHealth)target.GetComponent("PlayerHealth");
            ph.AdjustCurrentHealth(damage);
        }
    
    }
}
2

Its Fixed Ty