上材质，有个新gameelement在basic主题包里记得改

Assets/Scripts/DynamicUI/DynamicUIElements/Simple/DynamicUIElement.cs

@@ -68,4 +68,8 @@ namespace Ichni.Editor
 
         public void ApplyContent();
     }
+    public interface ICanSetLinkedBaseElement
+    {
+        public void SetLinkedBaseElement(IBaseElement baseElement, string parameterName);
+    }
 }