modusToolbox在加载离线库时，总是在loading device_db时提示错误的原因？

我的modusToolbox在加载离线库时，总是在loading device_db时提示错误。信息如下：
Finished download of file 'file:///D:/ModusToolbox/offline/manifests-v2.X/mtb-wifi-mw-manifest.xml'
Finished download of file 'file:///D:/ModusToolbox/offline/manifests-v2.X/mtb-wifi-mw-manifest-fv2.xml'
Finished download of file 'file:///D:/ModusToolbox/offline/manifests-v2.X/mtb-wifi-mw-dependencies-manifest.xml'
Finished loading the manifest data (377 ms)
Loading the device db
fatal: 'D:ModusToolboxoffline/git/https___github.com_Infineon_device-db/device-db' does not appear to be a git repository
fatal: Could not read from remote repository.
Please make sure you have the correct access rights
and the repository exists.
ERROR:there was an error retreiving the asset 'https://github.com/Infineon/device-db' commit 'release-v4.0.2' - fatal: 'D:ModusToolboxoffline/git/https___github.com_Infineon_device-db/device-db' does not appear to be a git repository
ERROR:fatal: Could not read from remote repository.
ERROR:Please make sure you have the correct access rights
ERROR:and the repository exists.
ERROR:Global asset download of device-db loading completed with error.
ERROR:The asyncStepComplete failed for LoadFlag DEVICE_DB.
3 error(s), 0 warning(s)
我的Modus安装在自定义目录下，offline放在modustoolbox的安装目录下，环境变量已设置。出现这种错误是哪里配置的不对呢？