Then, maybe try once resetting the site to fresh WordPress install and try again the demo import and if it again fails, click on import button until fully imported. Hope you are clear on this and this can solve out this problem within your site. Thanks.
thanks for your advice. but how can we integrate a similar appearance? the tutorial document only shows the basic operation. for example, if we want “zakra coffee” some banners, modules, how should we make it?