A scene from Hi, Mom. [Photo/Mtime] Time-travel comedy Hi, Mom continued to top the Chinese mainland box office on Sunday, extending its daily lead over other films following the Spring Festival holiday. Hi, Mom raked in about 275.91 million yuan (around $39.95 million) on Sunday, and the second-highest-grossing film Detective Chinatown 3 finished the day at over 85.21 million yuan, according to data from the China Movie Data Information Network. Both have seen their cumulative earnings creep up over 4 billion yuan as of Sunday. Ranking third on Sunday's daily box office chart was the fantasy thriller A Writer's Odyssey, which generated a revenue of over 43 million yuan.