ShanxiKnowledgeBase/SXElectricalInspection/Assets/GuYuan/FractionManager/FractionTools.cs

using UnityEngine;
using UnityEngine.EventSystems;

public class FractionTools : MonoBehaviour
{
    private void OnMouseDown()
    {
        if (EventSystem.current.IsPointerOverGameObject())
        { return; }
        if (FractionManager.Instance)
        {
            FractionManager.Instance.sum += 1;
        }
    }

}