To Evaluate the Efficacy and Safety of Anrotinib Hydrochloride Capsule in Postoperative Non-pCR Patients With Non-small Cell Lung Cancer

12mg once a day, taken orally before breakfast for 2 consecutive weeks and stopped for 1 week. Without special circumstances, it is recommended to take at a fixed time every day; If there is a missing dose during the administration, confirm that the time before the next administration is less than 12 hours, no more refilling. The maximum duration of drug use is tentatively 1 year.