替换书签内容，文档中显示已经替换成功了，前端替换方法还是报错

内容控件demo调试，替换方法执行不下去，但是文档内容显示替换成功，请帮我看看，感谢🙏 <img src="https://solution-community.wps.cn/uploads/post/57oUocyMC3m.png" alt="image.png"/> <img src="https://solution-community.wps.cn/uploads/post/57oU2qiPug3.png" alt="image.png"/> <img src="https://solution-community.wps.cn/uploads/post/57oU66Rnxij.png" alt="image.png"/>
<img src="https://solution-community.wps.cn/uploads/post/57oUhMQLAM7.png" alt="image.png"/>