问为什么git子模块更新失败与“致命:远程错误:上传包:而不是我们的参考”？

EN

23:01:26.918691 run-command.c:1569      run_processes_parallel: preparing to run up to 1 tasks
23:01:26.933567 run-command.c:1601      run_processes_parallel: done
23:01:26.934373 run-command.c:646       trace: run_command: git gc --auto
23:01:26.966805 git.c:344               trace: built-in: git gc --auto
23:01:26.991059 git.c:344               trace: built-in: git rev-parse --local-env-vars
23:01:27.015684 git.c:344               trace: built-in: git rev-parse --local-env-vars
23:01:27.032282 git.c:344               trace: built-in: git symbolic-ref -q HEAD
23:01:27.053948 git.c:344               trace: built-in: git config --get branch.master.remote
23:01:27.073636 git.c:344               trace: built-in: git fetch origin 151d94a8754b0a612315fc191c5373cc0055c13d
23:01:27.079657 run-command.c:646       trace: run_command: git-remote-https origin https://github.com/scopatz/nanorc.git
23:01:28.441725 run-command.c:646       trace: run_command: git rev-list --objects --stdin --not --all --quiet
23:01:28.452267 run-command.c:646       trace: run_command: git fetch-pack --stateless-rpc --stdin --lock-pack --thin https://github.com/scopatz/nanorc.git/
23:01:28.467757 git.c:344               trace: built-in: git fetch-pack --stateless-rpc --stdin --lock-pack --thin https://github.com/scopatz/nanorc.git/
fatal: remote error: upload-pack: not our ref 151d94a8754b0a612315fc191c5373cc0055c13d
fatal: The remote end hung up unexpectedly
Fetched in submodule path 'submodules/nano', but it did not contain 151d94a8754b0a612315fc191c5373cc0055c13d. Direct fetching of that commit failed.

cd {submodule path}
git reset --hard origin/master
cd -
git clean -n
git add {submodule path}
git commit
git submodule update --init --recursive