Merchants need to report delayed delivery. According to the query of Tmall official website, the lack of delivery time of Tmall merchants will cause great losses to the merchants. After feedback to Tmall, Xiao Er needs to inform the merchant that it is necessary to report the delayed delivery. The seller will report the delayed delivery through the merchant center-logistics management-logistics tools. When reporting, an asterisk is required. Please follow the prompts on the page to submit. If it is not reported within the specified time, the merchant will face penalties such as fines.