Modify the logic of cargo interaction between a spaceship and the ground so as to simulate multiple identical spaceships operating at the same time to increase the ups. 修改飞船与地面的货物交互逻辑，从而模拟多个相同的飞船同时运行的情形，以提高ups。
Mods introducing new content into the game.
Counted when a user downloads a mod release for the first time. Before Nov 2021 it counted everytime a user clicked the mods download button.
Counted when a user downloads a mod for the first time. Has no data before Dec 2022