HotUpdateCreate/Assets/LoadDll.cs

using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Threading.Tasks;
using UnityEngine;
using UnityEngine.Networking;

public class LoadDll : MonoBehaviour
{
    void Start()
    {

        StartCoroutine(SendHttp("https://wx-model-1317557471.cos.ap-shanghai.myqcloud.com/HotUpdate.dll.bytes"));

    }
    public IEnumerator SendHttp(string url)
    {
        Debug.Log("HybridCLRStart1");
        UnityWebRequest webRequest = UnityWebRequest.Get(url);
        webRequest.downloadHandler = (DownloadHandler)new DownloadHandlerBuffer();
        yield return webRequest.SendWebRequest();
        if (webRequest.isDone)
        {
            Assembly hotUpdateAss = Assembly.Load(webRequest.downloadHandler.data);
            Debug.Log("HybridCLRStart2");
            Type type = hotUpdateAss.GetType("Hello");
            Debug.Log("HybridCLRStart3");
            type.GetMethod("Run").Invoke(null, null);
            Debug.Log("HybridCLRStart4");
        }
    }
}