【git】WARNING: connection is not using a post-quantum key exchange algorithm.
问题：
推送代码提示下面信息：
16:22:54.422: [C:\git\yang-teambition] git -c credential.helper= -c core.quotepath=false -c log.showSignature=false push --progress --porcelain origin refs/heads/dev_tianzhi:dev_tianzhi ** WARNING: connection is not using a post-quantum key exchange algorithm. ** This session may be vulnerable to "store now, decrypt later" attacks. ** The server may need to be upgraded. See https://openssh.com/pq.html Enumerating objects: 59, done. Counting objects: 1% (1/59) Counting objects: 3% (2/59) Counting objects: 5% (3/59) Counting objects: 6% (4/59) Counting objects: 8% (5/59) Counting objects: 10% (6/59) Counting objects: 11% (7/59) Counting objects: 13% (8/59) Counting objects: 15% (9/59) Counting objects: 16% (10/59) Counting objects: 18% (11/59) Counting objects: 20% (12/59) Counting objects: 22% (13/59) Counting objects: 23% (14/59) Counting objects: 25% (15/59) Counting objects: 27% (16/59) Counting objects: 28% (17/59) Counting objects: 30% (18/59) Counting objects: 32% (19/59) Counting objects: 33% (20/59) Counting objects: 35% (21/59) Counting objects: 37% (22/59) Counting objects: 38% (23/59) Counting objects: 40% (24/59) Counting objects: 42% (25/59) Counting objects: 44% (26/59) Counting objects: 45% (27/59) Counting objects: 47% (28/59) Counting objects: 49% (29/59) Counting objects: 50% (30/59) Counting objects: 52% (31/59) Counting objects: 54% (32/59) Counting objects: 55% (33/59) Counting objects: 57% (34/59) Counting objects: 59% (35/59) Counting objects: 61% (36/59) Counting objects: 62% (37/59) Counting objects: 64% (38/59) Counting objects: 66% (39/59) Counting objects: 67% (40/59) Counting objects: 69% (41/59) Counting objects: 71% (42/59) Counting objects: 72% (43/59) Counting objects: 74% (44/59) Counting objects: 76% (45/59) Counting objects: 77% (46/59) Counting objects: 79% (47/59) Counting objects: 81% (48/59) Counting objects: 83% (49/59) Counting objects: 84% (50/59) Counting objects: 86% (51/59) Counting objects: 88% (52/59) Counting objects: 89% (53/59) Counting objects: 91% (54/59) Counting objects: 93% (55/59) Counting objects: 94% (56/59) Counting objects: 96% (57/59) Counting objects: 98% (58/59) Counting objects: 100% (59/59) Counting objects: 100% (59/59), done. Delta compression using up to 20 threads Compressing objects: 3% (1/27) Compressing objects: 7% (2/27) Compressing objects: 11% (3/27) Compressing objects: 14% (4/27) Compressing objects: 18% (5/27) Compressing objects: 22% (6/27) Compressing objects: 25% (7/27) Compressing objects: 29% (8/27) Compressing objects: 33% (9/27) Compressing objects: 37% (10/27) Compressing objects: 40% (11/27) Compressing objects: 44% (12/27) Compressing objects: 48% (13/27) Compressing objects: 51% (14/27) Compressing objects: 55% (15/27) Compressing objects: 59% (16/27) Compressing objects: 62% (17/27) Compressing objects: 66% (18/27) Compressing objects: 70% (19/27) Compressing objects: 74% (20/27) Compressing objects: 77% (21/27) Compressing objects: 81% (22/27) Compressing objects: 85% (23/27) Compressing objects: 88% (24/27) Compressing objects: 92% (25/27) Compressing objects: 96% (26/27) Compressing objects: 100% (27/27) Compressing objects: 100% (27/27), done. Writing objects: 2% (1/37) Writing objects: 5% (2/37) Writing objects: 8% (3/37) Writing objects: 10% (4/37) Writing objects: 13% (5/37) Writing objects: 16% (6/37) Writing objects: 18% (7/37) Writing objects: 21% (8/37) Writing objects: 24% (9/37) Writing objects: 27% (10/37) Writing objects: 29% (11/37) Writing objects: 32% (12/37) Writing objects: 35% (13/37) Writing objects: 37% (14/37) Writing objects: 40% (15/37) Writing objects: 43% (16/37) Writing objects: 45% (17/37) Writing objects: 51% (19/37) Writing objects: 54% (20/37) Writing objects: 56% (21/37) Writing objects: 59% (22/37) Writing objects: 62% (23/37) Writing objects: 64% (24/37) Writing objects: 67% (25/37) Writing objects: 70% (26/37) Writing objects: 72% (27/37) Writing objects: 75% (28/37) Writing objects: 78% (29/37) Writing objects: 81% (30/37) Writing objects: 83% (31/37) Writing objects: 86% (32/37) Writing objects: 89% (33/37) Writing objects: 91% (34/37) Writing objects: 94% (35/37) Writing objects: 97% (36/37) Writing objects: 100% (37/37) Writing objects: 100% (37/37), 3.62 KiB | 463.00 KiB/s, done. Total 37 (delta 18), reused 0 (delta 0), pack-reused 0 (from 0) Read from remote host gitlab.xxx.com: Connection reset by peer client_loop: send disconnect: Connection reset by peer send-pack: unexpected disconnect while reading sideband packet fatal: the remote end hung up unexpectedly 这是 Git 在推送代码到远程仓库时，连接被远端强制断开（Connection reset by peer）导致的失败。常见原因和解决方式如下：
✅ 可能原因与对应处理
| 原因 | 说明 | 解决方式 | |
|---|---|---|---|
| 1. 大文件或提交过多 | 你这次推送了 37 个对象，虽然不算特别大，但如果包含大文件（如 PDF、图片、jar 包），容易触发 GitLab 的限制。 | 检查是否有大文件被提交： `git rev-list --objects --all | grep -E '.(pdf|jar|zip|png|jpg)'<br>如有，用 git filter-repo或BFG` 清理历史。 |
| 2. 网络不稳定 / VPN 中断 | 你公司 GitLab 地址是 gitlab.hezhihulian.com，可能是内网或 VPN 环境，连接中断。 | 重试几次：git push origin dev_tianzhi或换网络 / 换 SSH 端口。 | |
| 3. GitLab 服务器限制 | 服务端配置了超时或最大包大小限制（如 Nginx、GitLab 本身的 git timeout）。 | 联系运维确认 GitLab 日志 /var/log/gitlab/gitlab-workhorse/current 是否报错。 | |
| 4. SSH 密钥或权限问题 | 虽然报错不是权限拒绝，但某些 GitLab 版本在权限异常时会直接断连。 | 确认你有 dev_tianzhi 分支的推送权限，且 SSH key 已正确配置。 |
你可以立即尝试的排查/修复步骤
检查是否有大文件：
git ls-tree -r -l dev_tianzhi | sort -k4 -n | tail -10使用 HTTPS 推送测试（排除 SSH 问题）：
git remote set-url origin https://gitlab.yang.com/xxx/xxx.git git push origin dev_tianzhi减小包大小（分批推送）： 如果你本地有多个提交，可以尝试分批次推送：
git rebase -i HEAD~10 # 把多个提交合并成1~2个 git push origin dev_tianzhi重试推送（最简单）：
git push origin dev_tianzhi
