The author re-added the weaving actress system and the Tiacang five-star system (see 1.7.10-1.2.15 update log) on the 1.2.15 version, but did not display on the star map?
Feasible solutions:
Open
config/galaxyspace/core.conf
Find the enableoldSystem item and change it to true.(All in English)
(Note: At present, these two galaxies are only tests. If the author does not reset this galaxy in the future, then you must not see these two galaxies directly in the star map.)