在导出部分，现在可以选择PDF格式。
Main advantages :
- -This can be especially important if you are sharing as设置 listing with your hierarchy, partners or investors.
- -PDF files are easy to use and can be opened on a wide variety of devices such as computers, tablets or smartphones.
- -PDF files preserve the layout and fonts of the original document, ensuring that the document will be presented in a consistent and professional manner, regardless of the device used to open it.
