导入R3，简单实现数据绑定UI，以及双向绑定

Assets/GameScripts/Main/GameStart.cs

@@ -1,11 +1,20 @@
+using Cysharp.Threading.Tasks;
 using UnityEngine;
+using YooAsset;
 
 public class GameStart : MonoBehaviour
 {
     // Start is called once before the first execution of Update after the MonoBehaviour is created
-    void Start()
+    async void Start()
     {
         Debug.Log("GameStart");
         GamePreload.Inst.Test("call by GameStart");
+        await LoadSimpleR3Test();
+    }
+    async UniTask LoadSimpleR3Test()
+    {
+        AssetHandle handle =  YooAssets.LoadAssetAsync<GameObject>("SimpleR3Test");
+        await handle;
+        GameObject.Instantiate(handle.AssetObject, MainUICanvas.Inst.Medium);
     }
 }