WaiXie_QuestionSystem/Assets/Script/UI/Panel/FinishPanel.cs

using UnityEngine;
using UnityEngine.UI;

namespace Script.UI
{
    public class FinishPanel : PanelBase
    {
        [SerializeField] private Button btn_Exit;

        public override void Init()
        {
            base.Init();
            btn_Exit.onClick.AddListener(ClickExit);
        }

        public override void Dispose()
        {
            base.Dispose();
            btn_Exit.onClick.RemoveListener(ClickExit);
        }

        private void ClickExit()
        {
            Application.Quit();
        }
    }
}