Koxinga demanded that Coyett surrender within 24 hours, but Coyett refused, even though he was hopelessly outnumbered and had no hope of reinforcement.

• 郑成功命令揆一在24小时内投降，但是尽管郑的人数远远超过他，而且增援无望，揆一仍然拒绝投降。