cockClient2/Assets/Scripts/UI/Hall/AvatarUtil.cs

using System;
using UnityEngine;
using UnityEngine.UI;

namespace UI.Hall
{
    public class AvatarUtil
    {
        public static void DisplayAvatar(Image image, string avatarIdString)
        {
            var avatarId = 1;
            try
            {
                avatarId = int.Parse(avatarIdString);
            }
            catch (Exception e)
            {
                Debug.LogError(e);
            }

            var s = Resources.Load<Sprite>("Image/Avatar/" + avatarId.ToString("D3"));
            image.sprite = s;
        }
    }
}