// 加载 Word 个文档
WordProcessingLoadOptions loadOptions = new WordProcessingLoadOptions();
Watermarker watermarker = new Watermarker("source.docx", loadOptions);
WordProcessingContent content = watermarker.getContent(WordProcessingContent.class);
// 按索引移除形状
content.getSections().get_Item(0).getShapes().removeAt(0);
// 通过引用删除形状
content.getSections().get_Item(0).getShapes().
remove(content.getSections().get_Item(0).getShapes().get_Item(0));
// 保存 DOCX
watermarker.save("result.docx");
watermarker.close();