Offline builds docker error

SHELL= flock /home/ttw/myfile/build-v21.02.0-rc2-x64/tmp/.root-copy.flock -c 'cp -fpR /home/ttw/myfile/build-v21.02.0-rc2-x64/build_dir/target-x86_64_musl/db-4.7.25.NC/.pkgdir/libdb47/. /home/ttw/myfile/build-
v21.02.0-rc2-x64/staging_dir/target-x86_64_musl/root-x86/'touch /home/ttw/myfile/build-v21.02.0-rc2-x64/staging_dir/target-x86_64_musl/root-x86/stamp/.libdb47_installed
echo "libdb47" >> /home/ttw/myfile/build-v21.02.0-rc2-x64/staging_dir/target-x86_64_musl/pkginfo/db47.default.install
make[3]: Leaving directory '/home/ttw/myfile/build-v21.02.0-rc2-x64/feeds/packages/libs/db47'
time: package/feeds/packages/db47/compile#0.19#0.43#0.66
make[3]: Entering directory '/home/ttw/myfile/build-v21.02.0-rc2-x64/feeds/packages/utils/docker'
mkdir -p /home/ttw/myfile/build-v21.02.0-rc2-x64/dl
SHELL= flock /home/ttw/myfile/build-v21.02.0-rc2-x64/tmp/.docker-20.10.6.tar.gz.flock -c '  	/home/ttw/myfile/build-v21.02.0-rc2-x64/scripts/download.pl "/home/ttw/myfile/build-v21.02.0-rc2-x64/dl" "docker-
20.10.6.tar.gz" "eda53b96ab83a59502df2e5e00ab7ee867243259407ef454be55e695303c1113" "" "https://codeload.github.com/docker/cli/tar.gz/v20.10.6?"    'touch /home/ttw/myfile/build-v21.02.0-rc2-x64/build_dir/target-x86_64_musl/docker-20.10.6/.prepared_7774054ee9d699d25d4bab94e8f5bfcc_6664517399ebbbc92a37c5bb081b5c53_check
. /home/ttw/myfile/build-v21.02.0-rc2-x64/include/shell.sh; gzip -dc /home/ttw/myfile/build-v21.02.0-rc2-x64/dl/docker-20.10.6.tar.gz | tar -C /home/ttw/myfile/build-v21.02.0-rc2-x64/build_dir/target-x86_64_mu
sl/docker-20.10.6 --strip-components 1 -xf -[ ! -d ./src/ ] || cp -fpR ./src/. /home/ttw/myfile/build-v21.02.0-rc2-x64/build_dir/target-x86_64_musl/docker-20.10.6
# Verify PKG_GIT_SHORT_COMMIT
( EXPECTED_PKG_GIT_SHORT_COMMIT=$( /home/ttw/myfile/build-v21.02.0-rc2-x64/feeds/packages/utils/docker/../dockerd/git-short-commit.sh 'github.com/docker/cli' 'v20.10.6' '/home/ttw/myfile/build-v21.02.0-rc2-x64
/tmp/git-short-commit/docker-20.10.6' ); if [ "${EXPECTED_PKG_GIT_SHORT_COMMIT}" != "370c289" ]; then echo "ERROR: Expected 'PKG_GIT_SHORT_COMMIT:=${EXPECTED_PKG_GIT_SHORT_COMMIT}', found 'PKG_GIT_SHORT_COMMIT:=370c289'"; exit 1; fi )Trying remote 'github.com/docker/cli'
fatal: 'github.com/docker/cli' 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.
Trying remote 'https://github.com/docker/cli'
fatal: unable to access 'https://github.com/docker/cli/': gnutls_handshake() failed: Error in the pull function.
Trying remote 'http://github.com/docker/cli'
fatal: unable to access 'http://github.com/docker/cli/': Recv failure: Connection reset by peer
Trying remote 'git@github.com/docker/cli'
fatal: 'git@github.com/docker/cli' 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: Expected 'PKG_GIT_SHORT_COMMIT:=', found 'PKG_GIT_SHORT_COMMIT:=370c289'
Makefile:71: recipe for target '/home/ttw/myfile/build-v21.02.0-rc2-x64/build_dir/target-x86_64_musl/docker-20.10.6/.prepared_7774054ee9d699d25d4bab94e8f5bfcc_6664517399ebbbc92a37c5bb081b5c53' failed
make[3]: *** [/home/ttw/myfile/build-v21.02.0-rc2-x64/build_dir/target-x86_64_musl/docker-20.10.6/.prepared_7774054ee9d699d25d4bab94e8f5bfcc_6664517399ebbbc92a37c5bb081b5c53] Error 1
make[3]: Leaving directory '/home/ttw/myfile/build-v21.02.0-rc2-x64/feeds/packages/utils/docker'
time: package/feeds/packages/docker/compile#0.40#0.96#1.44
    ERROR: package/feeds/packages/docker failed to build.
package/Makefile:112: recipe for target 'package/feeds/packages/docker/compile' failed
make[2]: *** [package/feeds/packages/docker/compile] Error 1
make[2]: Leaving directory '/home/ttw/myfile/build-v21.02.0-rc2-x64'
package/Makefile:108: recipe for target '/home/ttw/myfile/build-v21.02.0-rc2-x64/staging_dir/target-x86_64_musl/stamp/.package_compile' failed
make[1]: *** [/home/ttw/myfile/build-v21.02.0-rc2-x64/staging_dir/target-x86_64_musl/stamp/.package_compile] Error 2
make[1]: Leaving directory '/home/ttw/myfile/build-v21.02.0-rc2-x64'
/home/ttw/myfile/build-v21.02.0-rc2-x64/include/toplevel.mk:228: recipe for target 'world' failed
make: *** [world] Error 2

I'm notebook not online, builds v21.02.0-rc2, dl floder have docker-20.10.6.tar.gz file.
pls help me.