结构大修改，改成朴实无华的结构，不过度架构。能跑就行

Assets/Scripts/NBC/Asset/Runtime/Tasks/RunFunctionTask.cs

@@ -0,0 +1,20 @@
+using System;
+
+namespace NBC.Asset
+{
+    public class RunFunctionTask : NTask
+    {
+        private readonly Action _action;
+
+        public RunFunctionTask(Action action)
+        {
+            _action = action;
+        }
+
+        protected override void OnStart()
+        {
+            _action?.Invoke();
+            Finish();
+        }
+    }
+}