Click the personal QR code icon on the home page to jump to the details page, click the edit button on the details page, and then wait for approval again until it is approved.
The significance of QR code traceability is the same as that of QR code traceability. The literal meaning of traceability and traceability seems to mean tracing to the source. Two-dimensional code traceability is the process of tracing a product or object by using two-dimensional code. For example, you can trace the production information, processing information, material information, quality and safety information and related qualification information of a product.