[BUG] additional information added when converting from abacus/stru to lammps

[OutisLi]

Bug summary

When STRU contains below info:

dpdata Version

latest

Input Files, Running Commands, Error Log, etc.

Error:

Steps to Reproduce

By using commands below to convert to lammps format, addition info will be added, but lammps will not recognise this:

import dpdata

stru = dpdata.System("dpgen2/lcao_effi/assets/start_stru/SiC_3C_3x3x3", fmt="abacus/stru")
lmp = stru.to(fmt='lammps/lmp', file_name="SiC_3C_3x3x3.lmp")

Further Information, Files, and Links

No response