ZH_YX/Assets/Scripts/LoadShader.cs

using UnityEngine;
using System.Collections;

public class LoadShader : MonoBehaviour
{
    // Start is called once before the first execution of Update after the MonoBehaviour is created
    void Start()
    {
#if !UNITY_WEBGL || UNITY_EDITOR
        SetShader(transform);
#endif
    }

    // Update is called once per frame
    void Update()
    {

    }
    public void SetShader(Transform child)
    {
        if (child.childCount > 0)
        {
            for (int i = 0; i < child.childCount; i++)
            {
                SetShader(child.GetChild(i));
            }
        }
        else
        {
            if (child.GetComponent<Renderer>())
            {
                var r = child.GetComponent<Renderer>();
                foreach (var material in r.materials)
                {
                    //Debug.Log(material.shader.name);
                    if (material.shader.name == "Universal Render Pipeline/Lit")
                    {
                        StartCoroutine(setshader(material));
                    }
                }
            }
        }
    }

    IEnumerator setshader(Material m)
    {
        m.shader = null;
        yield return new WaitForSeconds(0.1f);
        m.shader = Shader.Find("Universal Render Pipeline/Lit");
    }
}