XiuXianGame/Assets/Scripts/Core/Utility/CapyCamera.cs

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

public class CapyCamera : MonoBehaviour
{
    public Camera targetCamera;
    public Camera myCamera;
  
    // Update is called once per frame
    void LateUpdate()
    {
        myCamera.fieldOfView= targetCamera.fieldOfView;
    }
}