How to withdraw the complaint after complaining about the courier?

Legal analysis: Consult on the complaint platform. Which channel did you use to complain, and what channel did you use to cancel it. If you complained over the phone, call again to cancel. If the complaint was made on the website, then log in to the website again, contact customer service to explain the situation and cancel the complaint.

Legal basis: "Measures for Handling Consumer Complaints in the Postal Industry" Article 10 The dedicated hotline for consumer complaints in the postal industry is "12305" (provincial capital area code-12305). Consumers can appeal by phone or log on to the websites of the State Post Bureau and the postal bureaus of provinces, autonomous regions and municipalities directly under the Central Government. They can also appeal by letter or fax.