尝试编写提示系统但无法正常工作

Question

这是使用统一的 2d 游戏的代码，它不起作用。 有时手冻结，有时会提示用户已经完成的谜题，或者提示不是用户选择的谜题。项目很干净，没有错误。 游戏连接线取决于颜色（类似于自由流动）有什么建议可以帮忙吗？ 提前致谢。

using System.Collections;
using Game;
using UnityEngine;

namespace Sweeety
{
    public class HintSystemController : MonoBehaviour
    {
        [SerializeField] private LevelManager levelManager;
        [SerializeField] private Board board;

        [SerializeField] private HintSystemModel hintSystemModel;

        public delegate void OnManyTryies();

        public static OnManyTryies ShowEvent;
        private Level CurrentLevel => levelManager.Level;

        private float _scale;

        private void Awake()
        {
            HintSystemView.OnGetHintEvent += GetHelp;
            _scale = (CurrentLevel.grid / (CurrentLevel.grid / 2f));
        }

        private void Update()
        {
            if (board.TryCounts == hintSystemModel.TryCountsToOffer)
            {
                ShowEvent?.Invoke();
                board.TryCounts = 0;
            }
        }


        public void GetHelp()
        {
            if (board.FirstGridTile != null)
                StartCoroutine(Help());
        }

        private IEnumerator Help()
        {
            GameObject temp = Instantiate(hintSystemModel.Visual, board.transform);

            foreach (var pos in CurrentLevel.paths[board.FirstGridTile.Index].points)
            {
                Vector2 targetPoint = new Vector2(((pos.x * board.TileSize) - _scale), ((pos.y * board.TileSize) - _scale));
                temp.transform.localPosition = Vector2.MoveTowards(temp.transform.localPosition, targetPoint, hintSystemModel.Speed);
                yield return new WaitForSeconds(0.3f);
            }

            Destroy(temp);
        }
    }
}