Creating config file /etc/default/grub with new version
Installing for x86_64-efi platform.
grub-install: warning: Cannot set EFI variable Boot0001.
grub-install: warning: vars_set_variable: write() failed: Invalid argument.
grub-install: warning: _efi_set_variable_mode: ops->set_variable() failed: No such file or directory.
grub-install: error: failed to register the EFI boot entry: No such file or directory.
Failed: grub-install --target=x86_64-efi  
WARNING: Bootloader is not properly installed, system may not be bootable
Setting up grub-efi-amd64-signed (1.67+1.65+2.02~beta2) ...
Installing for x86_64-efi platform.
grub-install: warning: Cannot set EFI variable Boot0001.
grub-install: warning: vars_set_variable: write() failed: Invalid argument.
grub-install: warning: _efi_set_variable_mode: ops->set_variable() failed: No such file or directory.
grub-install: error: failed to register the EFI boot entry: No such file or directory.
dpkg: error processing package grub-efi-amd64-signed (--configure):
installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 1
Processing triggers for man-db (2.8.5-2) ...
Processing triggers for shim-signed (1.34.is.1.23+0.9+1474479173.6c180c6-1deepin) ...
Errors were encountered while processing:
grub-efi-amd64-signed
Running in chroot, ignoring request: start
E: Sub-process /usr/bin/dpkg returned an error code (1)
rm: cannot remove '/sys/firmware/efi/efivars/dump-*': Invalid argument
Installing for x86_64-efi platform.
grub-install: warning: Cannot set EFI variable Boot0001.
grub-install: warning: efivarfs_set_variable: writing to fd 6 failed: Invalid argument.
grub-install: warning: _efi_set_variable_mode: ops->set_variable() failed: Invalid argument.
grub-install: error: failed to register the EFI boot entry: Invalid argument.

!! Error: grub-install failed with efi64 UOS

2020-09-19, 16:33:01.601 [Error  ] [                                                         0] Hook failed: "02_setup_bootloader_x86.job"
2020-09-19, 16:33:22.528 [Debug  ] [                                                         0] Log file:  "/media/root/SDCard/deepin-installer.2020-09-19-16-33-22.log"