TGBMRegressor save_model raise error

[liningbo]

enviranment:
thundergbm commit ffacda1
windows 10
visual studio 2017
cuda 11.6
cmake 3.29.0-rc4
python 3.8

error:
File: C:/programs Files(x86)/Microsoft Visual Studio/2017/Community/VC/Tools/MSVC/14.16.27023/include/vector
Line:1733
Expression:vector subscript out of range