ActionTowerDefense/ActionTowerDefense/Assets/Scripts/PoolItem.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class PoolItem : MonoBehaviour
{
    public GameObject prefab;
    private void OnDisable()
    {
        if (gameObject.activeSelf)
        {
            return;//防止是父物体去激活的情况
        }
        PoolManager.instance.Recycle(this);
    }

    private void OnDestroy()
    {
        PoolManager.instance.DestroyItem(this);
    }
}