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/HitTest/HitTestMain.cs

@@ -0,0 +1,40 @@
+using UnityEngine;
+using FairyGUI;
+
+public class HitTestMain : MonoBehaviour
+{
+    Transform cube;
+
+    void Start()
+    {
+        Application.targetFrameRate = 60;
+
+        cube = GameObject.Find("Cube").transform;
+
+        Stage.inst.onTouchBegin.Add(OnTouchBegin);
+    }
+
+    void OnTouchBegin()
+    {
+        if (!Stage.isTouchOnUI)
+        {
+            RaycastHit hit;
+            Ray ray = Camera.main.ScreenPointToRay(new Vector2(Stage.inst.touchPosition.x, Screen.height - Stage.inst.touchPosition.y));
+            if (Physics.Raycast(ray, out hit))
+            {
+                if (hit.transform == cube)
+                {
+                    Debug.Log("Hit the cube");
+                }
+            }
+        }
+    }
+
+    void OnKeyDown(EventContext context)
+    {
+        if (context.inputEvent.keyCode == KeyCode.Escape)
+        {
+            Application.Quit();
+        }
+    }
+}