At 18:26, astronaut Chen Dong opened the airlock door of the Wentian experimental cabin. In the follow-up, Chen Dong and Liu Yang worked outside the cabin, and Cai Xuzhe cooperated and supported in the core cabin, and jointly completed various predetermined tasks such as the installation of the extended pump set in the Wentian experimental cabin and the lifting of the panoramic camera in the Wentian experimental cabin. The entire flight is expected to take about seven hours.