flyme patchall报错

[aa889788]

我是在bash on windows上面运行的，前几步都没有报错，使用的是nougat-7.1分支，已经运行过config和newproject，之后执行flyme patchall时报错
I/precondition: Combine ./autopatch/bosp/framework.jar.out/smali_classes2 into framework.jar.out/smali
Traceback (most recent call last):
File "/mnt/e/flyme/tools/autopatch/autopatch.py", line 326, in
main(sys.argv)
File "/mnt/e/flyme/tools/autopatch/autopatch.py", line 321, in main
if options.prepare: precondition.Prepare()
File "/mnt/e/flyme/tools/autopatch/precondition.py", line 129, in init
if OPTIONS.patchXml == Config.PATCHALL_XML: self.patchall()
File "/mnt/e/flyme/tools/autopatch/precondition.py", line 145, in patchall
self.baseDevice.setLastHead()
File "/mnt/e/flyme/tools/autopatch/precondition.py", line 348, in setLastHead
BaseDevice.writeCommit(self.lastHeadPath, commit)
File "/mnt/e/flyme/tools/autopatch/precondition.py", line 514, in writeCommit
handle = open(filepath, "r")
IOError: [Errno 2] No such file or directory: '/mnt/e/flyme/devices/base/.git/oneplus5:LAST_HEAD'
/mnt/e/flyme/build/autopatch.mk:18: recipe for target 'patchall' failed
make: *** [patchall] Error 1
求解答