diff --git a/ofdgo_editor_resource.go b/ofdgo_editor_resource.go
index 9d8406c..8b71871 100644
--- a/ofdgo_editor_resource.go
+++ b/ofdgo_editor_resource.go
@@ -105,7 +105,7 @@ func (e *Editor) ImportMedia(ctx context.Context, kind, format string, data []by
 }
 
 // ReplaceResource 替换当前文档图片、音视频或附件的文件，保留标识和全部使用位置
-// 图片同时清除受影响对象的旧替换图及复合预览；字体须使用EmbedFont或ExternalizeFont
+// 图片同时清除受影响对象的旧替换图、底纹缩略图及复合预览；字体须使用EmbedFont或ExternalizeFont
 // 入参: ctx 取消上下文, kind 资源类型, id 资源标识, format 媒体格式，图片按实际数据确定, data 完整文件
 // 返回: error 校验或提交错误，失败时文档不变
 func (e *Editor) ReplaceResource(ctx context.Context, kind, id, format string, data []byte) error {
@@ -233,7 +233,7 @@ func (e *Editor) changeResource(ctx context.Context, kind, id string, replace fu
 	return e.commitResourceSnapshot(ctx, reader)
 }
 
-// invalidateResourcePreviews 移除图片内容变化后失效的替换图及逐级复合预览
+// invalidateResourcePreviews 沿绘制参数和复合引用移除图片变化后失效的替换图及底纹预览
 // 入参: ctx 取消上下文, scan 当前文档结构, id 图片标识, changes 待提交文件
 // 返回: error 解析或取消错误
 func invalidateResourcePreviews(ctx context.Context, scan *editorFontDocument, id string, changes map[string][]byte) error {
@@ -259,7 +259,10 @@ func invalidateResourcePreviews(ctx context.Context, scan *editorFontDocument, i
 					return false, nil
 				}
 				primary := affected[editorResourceID(node.attr("ResourceID"))] || affected[editorResourceID(node.attr("ImageMask"))]
-				changed := primary || affected[editorResourceID(node.attr("Substitution"))]
+				changed := primary || affected[editorResourceID(node.attr("Substitution"))] || affected[editorResourceID(node.attr("DrawParam"))]
+				if node.matchesOFD("DrawParam") {
+					changed = changed || affected[editorResourceID(node.attr("Relative"))]
+				}
 				if node.matchesOFD("ImageObject") && primary && node.hasAttr("Substitution") {
 					fragment, err := editorXMLStandalone(data[node.start:node.end], node)
 					if err != nil {
@@ -286,6 +289,16 @@ func invalidateResourcePreviews(ctx context.Context, scan *editorFontDocument, i
 					}
 					changed = changed || used
 				}
+				if changed && node.matchesOFD("CellContent") && node.parent != nil && node.parent.matchesOFD("Pattern") && node.hasAttr("Thumbnail") {
+					patch, err := editorXMLAttributeChange(data, node, "Thumbnail", nil)
+					if err != nil {
+						return false, err
+					}
+					patches = append(patches, patch)
+				}
+				if changed && node.matchesOFD("DrawParam") && node.parent != nil && node.parent.matchesOFD("DrawParams") {
+					affected[editorResourceID(node.attr("ID"))] = true
+				}
 				if changed && node.matchesOFD("CompositeGraphicUnit") && node.parent != nil && node.parent.matchesOFD("CompositeGraphicUnits") {
 					affected[editorResourceID(node.attr("ID"))] = true
 					for _, key := range []string{"Thumbnail", "Substitution"} {
@@ -309,8 +322,9 @@ func invalidateResourcePreviews(ctx context.Context, scan *editorFontDocument, i
 	}
 }
 
-// BindMedia 追加或移除指定图元的音视频点击动作，保留其余动作，重复绑定不新增动作
-// 入参: ctx 取消上下文, id 媒体标识, page 零基页码, object 图元标识, bind 为false时移除该媒体动作
+// BindMedia 追加或移除指定图元的音视频点击播放动作，保留停止、暂停等其他动作
+// 已有播放动作时保留其区域和参数，重复操作不产生修改
+// 入参: ctx 取消上下文, id 媒体标识, page 零基页码, object 图元标识, bind 为false时移除该媒体的点击播放动作
 // 返回: error 资源、对象或提交错误
 func (e *Editor) BindMedia(ctx context.Context, id string, page int, object string, bind bool) error {
 	kind := ""
@@ -354,7 +368,7 @@ func (e *Editor) BindMedia(ctx context.Context, id string, page int, object stri
 	}
 	found := false
 	actions = slices.DeleteFunc(slices.Clone(actions), func(action Action) bool {
-		match := action.Sound != nil && sameResourceID(action.Sound.ResourceID, id) || action.Movie != nil && sameResourceID(action.Movie.ResourceID, id)
+		match := action.Event == "CLICK" && (action.Sound != nil && sameResourceID(action.Sound.ResourceID, id) || action.Movie != nil && sameResourceID(action.Movie.ResourceID, id) && (action.Movie.Operator == "" || action.Movie.Operator == "Play"))
 		found = found || match
 		return match && !bind
 	})
@@ -370,5 +384,8 @@ func (e *Editor) BindMedia(ctx context.Context, id string, page int, object stri
 	if err := ctx.Err(); err != nil {
 		return err
 	}
+	if bind == found {
+		return nil
+	}
 	return e.SetObjectActions(page, []string{object}, actions)
 }
diff --git a/ofdgo_editor_xml.go b/ofdgo_editor_xml.go
index b918018..251ff3a 100644
--- a/ofdgo_editor_xml.go
+++ b/ofdgo_editor_xml.go
@@ -756,8 +756,15 @@ func editorXMLEncodedFragment(data []byte, node *editorXML, namespace string) ([
 // 入参: data 原文, node 节点, name 属性名, value 新值
 // 返回: editorXMLPatch 标签补丁, error 编码错误
 func editorXMLAttributePatch(data []byte, node *editorXML, name, value string) (editorXMLPatch, error) {
+	return editorXMLAttributeChange(data, node, name, &value)
+}
+
+// editorXMLAttributeChange 更新或删除标准属性，仅重写起始标签并保留命名空间前缀
+// 入参: data 原文, node 节点, name 属性名, value 新值，nil表示删除
+// 返回: editorXMLPatch 标签补丁, error 编码错误
+func editorXMLAttributeChange(data []byte, node *editorXML, name string, value *string) (editorXMLPatch, error) {
 	patch := editorXMLPatch{start: node.start, end: node.open, data: data[node.start:node.open]}
-	if node.hasAttr(name) && node.attr(name) == value {
+	if value == nil && !node.hasAttr(name) || value != nil && node.hasAttr(name) && node.attr(name) == *value {
 		return patch, nil
 	}
 	d := xml.NewDecoder(bytes.NewReader(patch.data))
@@ -767,13 +774,19 @@ func editorXMLAttributePatch(data []byte, node *editorXML, name, value string) (
 	}
 	start := token.(xml.StartElement)
 	found := false
-	for i := range start.Attr {
-		if attr := &start.Attr[i]; attr.Name.Space == "" && attr.Name.Local == name {
-			attr.Value, found = value, true
+	for i, attr := range start.Attr {
+		if attr.Name.Space == "" && attr.Name.Local == name {
+			if value == nil {
+				start.Attr = append(start.Attr[:i], start.Attr[i+1:]...)
+			} else {
+				start.Attr[i].Value = *value
+			}
+			found = true
+			break
 		}
 	}
-	if !found {
-		start.Attr = append(start.Attr, xml.Attr{Name: xml.Name{Local: name}, Value: value})
+	if !found && value != nil {
+		start.Attr = append(start.Attr, xml.Attr{Name: xml.Name{Local: name}, Value: *value})
 	}
 	if start.Name.Space != "" {
 		start.Name.Local = start.Name.Space + ":" + start.Name.Local