"1688 you have not signed the Taobao Space Agreement" means that when using Taobao Space, users are required to sign the relevant agreement first. If you do not sign the agreement when using 1688, you will not be able to enjoy the services of Taobao Space. Taobao Space is a free service provided by Taobao when publishing products. It helps sellers increase exposure and sales by uploading product pictures and videos. For sellers selling products on the Taobao platform, signing the agreement is very necessary. If you really need to use Taobao Space, you can log in to Taobao Space and sign the corresponding agreement in order to use the service normally.