结构大修改，改成朴实无华的结构，不过度架构。能跑就行

Assets/Plugins/FairyGUI/Examples/ModalWaiting/ModalWaitingMain.cs

@@ -0,0 +1,47 @@
+using System.Collections;
+using UnityEngine;
+using FairyGUI;
+
+public class ModalWaitingMain : MonoBehaviour
+{
+    GComponent _mainView;
+    Window4 _testWin;
+
+    void Awake()
+    {
+        UIPackage.AddPackage("UI/ModalWaiting");
+        UIConfig.globalModalWaiting = "ui://ModalWaiting/GlobalModalWaiting";
+        UIConfig.windowModalWaiting = "ui://ModalWaiting/WindowModalWaiting";
+    }
+
+    void Start()
+    {
+        Application.targetFrameRate = 60;
+        Stage.inst.onKeyDown.Add(OnKeyDown);
+
+        _mainView = this.GetComponent<UIPanel>().ui;
+
+        _testWin = new Window4();
+
+        _mainView.GetChild("n0").onClick.Add(() => {  _testWin.Show(); });
+
+        StartCoroutine(WaitSomeTime());
+    }
+
+    IEnumerator WaitSomeTime()
+    {
+        GRoot.inst.ShowModalWait();
+
+        yield return new WaitForSeconds(3);
+
+        GRoot.inst.CloseModalWait();
+    }
+
+    void OnKeyDown(EventContext context)
+    {
+        if (context.inputEvent.keyCode == KeyCode.Escape)
+        {
+            Application.Quit();
+        }
+    }
+}