According to the prospectus, the revenue of fast Dog Taxi in 2018, 2019, 2020 and 2021 was 453 million yuan, 548 million yuan, 530 million yuan and 660 million yuan respectively; The gross profit is 100 million yuan, 173 million yuan, 183 million yuan and 242 million yuan respectively; The losses during the period were 1.071 billion yuan, 184 million yuan, 658 million yuan and 873 million yuan respectively.