public override void DrawProperty(SerializedProperty property)
        {
            EditorDrawUtility.DrawPropertyField(property);

            if (property.propertyType == SerializedPropertyType.ObjectReference)
            {
                if (property.objectReferenceValue != null)
                {
                    Texture2D previewTexture = AssetPreview.GetAssetPreview(property.objectReferenceValue);
                    if (previewTexture != null)
                    {
                        AssetPreviewAttribute showAssetPreviewAttribute = PropertyUtility.GetAttribute <AssetPreviewAttribute>(property);
                        int width  = Mathf.Clamp(showAssetPreviewAttribute.Width, 0, previewTexture.width);
                        int height = Mathf.Clamp(showAssetPreviewAttribute.Height, 0, previewTexture.height);

                        GUILayout.Label(previewTexture, GUILayout.MaxWidth(width), GUILayout.MaxHeight(height));
                    }
                    else
                    {
                        string warning = property.name + " 没有一个资源预览!";
                        EditorDrawUtility.DrawHelpBox(warning, MessageType.Warning, context: PropertyUtility.GetTargetObject(property), logToConsole: false);
                    }
                }
            }
            else
            {
                string warning = property.name + " 没有一个资源预览!";
                EditorDrawUtility.DrawHelpBox(warning, MessageType.Warning, context: PropertyUtility.GetTargetObject(property), logToConsole: false);
            }
        }
        // Make your own IMGUI based GUI for the property
        public override void OnGUI(Rect _position, SerializedProperty _property, GUIContent _label)
        {
            AssetPreviewAttribute _attribute = (AssetPreviewAttribute)attribute;

            _attribute.Fodlout = EditorGUIEnhanced.AssetPreviewField(_position, _property, _label, _attribute.Fodlout);
        }
        /***************************
         *******   METHODS   *******
         **************************/

        // Specify how tall the GUI for this decorator is in pixels
        public override float GetPropertyHeight(SerializedProperty _property, GUIContent _label)
        {
            AssetPreviewAttribute _attribute = (AssetPreviewAttribute)attribute;

            return(EditorGUIUtilityEnhanced.GetAssetPreviewPropertyHeight(_property, _attribute.Fodlout, _attribute.Aspect));
        }