Why can only link libraries be able to synchronize resources

As a Chinese user, you do not provide optional paid cloud services. As a result, the update and maintenance of the XD component library is particularly difficult. It is hoped that the component library produced locally by XD can be kept in sync with the changes of the source files. The user can also synchronize the component library by saving the source file locally. At the same time, he hopes that the local library can have the complete function of the link library, and the local component library can export files for other participants to use together