Unity协程不能跨场景工作

void Start()
{
    DontDestroyOnLoad(gameObject);
    StartCoroutine(MyCoroutine());
}

using UnityEngine;
using UnityEngine.SceneManagement;

public class CoroutineManager : MonoBehaviour
{
    private static CoroutineManager instance;

    private Coroutine myCoroutine;

    private void Awake()
    {
        if (instance == null)
        {
            instance = this;
            DontDestroyOnLoad(gameObject);
        }
        else
        {
            Destroy(gameObject);
        }
    }

    public void StartMyCoroutine()
    {
        myCoroutine = StartCoroutine(MyCoroutine());
    }

    public void StopMyCoroutine()
    {
        if (myCoroutine != null)
        {
            StopCoroutine(myCoroutine);
        }
    }

    private IEnumerator MyCoroutine()
    {
        // 协程逻辑
        yield return null;
    }

    private void OnEnable()
    {
        SceneManager.sceneLoaded += OnSceneLoaded;
    }

    private void OnDisable()
    {
        SceneManager.sceneLoaded -= OnSceneLoaded;
    }

    private void OnSceneLoaded(Scene scene, LoadSceneMode mode)
    {
        if (myCoroutine != null)
        {
            StopCoroutine(myCoroutine);
            myCoroutine = StartCoroutine(MyCoroutine());
        }
    }
}

CoroutineManager coroutineManager = FindObjectOfType<CoroutineManager>();
coroutineManager.StartMyCoroutine();
coroutineManager.StopMyCoroutine();