i can see a little bit tutorials, but it crash quickly
this is my crash report: https://pastebin.com/uRiRyQu1

i use Create 1.16.4+ v0.3.1c and not install Optifine
i try to reduce the renderDistance, but it dosen't work.

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Try removing lithium.

i doesnt install lithium, but sodium.
i try removing sodium, then it works.
is there any mod could rise fps and not clash create?

It appears that the sodium download you are using contains all 3 of jellysquids main mods (sodium, phosphor and lithium). May I ask where you got it cause I cannot find a forge download anywhere?

As for FPS there are a few but no revolutionary ones like FoamFix was.
Disabling MipMap in video settings may help your FPS, or it may not, I don't know buts its worked for me before.

The latest version of Optifine works (mostly) with Create 0.3.1+ but may cause issues with other mods in your modpack.

Using OpenJDK9 instead of the default Java version MultiMC uses will decrease your RAM usage and hopefully increase FPS as well. Instructions for installing it can be found at the bottom of this reddit post (this does help A LOT)

And a couple Misc mods that optimise specific parts
Entity Culling This hides entities and tile entities if they are not visible but can falsely hide things sometimes, especially around crushing wheels and grass. Can also cause flickering of entities and tile entities.

Better Biome Blend Uses a much more optimized biome blending algorithm.

Starlight is another one that re-writes the lighting engine, but there is currently an issue with Create and its lighting system which is being resolved (I think) so that should hopefully be compatible soon (although starlight is not compatible with optifine)

Theres also Data Fixer Slayer and Ferrite Core which both mess around with Minecrafts code kinda majorly so I will not link them but they are both on CurseForge. They can reduce memory usage and possibly increase FPS. If you do use them make sure to read the warnings on each of the mods CurseForge pages.

OK, I see. thanks your recommendation.

i got the sodium mod forge edition from another author's github.

Hi, I've been working on splitting Pannoniae's port of Lithium, Sodium, and Phosphor into the original three separate mods and updating them with the latest commits.

I haven't finished working on Lithium yet, but I ran into this incompatibility issue with Create in my own testing.

This crash occurs because Lithium makes an unchecked cast from IBlockReader to IChunk. I'm not sure if there's anything that should be done about it from Create's end.

Just today I published an experimental build of Sodium (without Lithium/Phosphor) that (as far as I can tell) works perfectly fine alongside Create. You can find it here: https://github.com/AeiouEnigma/sodium-forge/releases