In fact, the two new forts were built in response to a local uprising against the governor, rather than for the defence of the city: their cannons pointed inwards towards the town, not outwards towards the sea.
其实，修建两座堡垒是为了应对当地反抗总督的起义，而不是保卫这座城市；大炮是指向城市，而不是指向海上。