Initial loading is too slow, why is this?

[joe-vettek]

Describe your enhancement

At present, after my univariate test, your mod loading time needs extra 30 seconds.Though there aren't any other mods which add liquid. I feel this is very strange, I don't quite understand why. Could it be that some traversal was performed during registration to pre-generate textures?
Anyway, I like your texture very much, it reminds me of BC.