Simple asymmetric portals for cross-surface train teleportation. Primarily developed for personal use. Supports LTN for automated logistics.
作者自用的非对称跨地表铁路传送门。实现简单的单向传送功能，支持 LTN 自动化物流。
I think you can directly delete this migration script. Or try updating it to around 7.0 first and then to the latest? This migration script is actually connected to the signal line and has no effect.
