当我推送一个或两个文件时，我可以成功推送，但是当我尝试推送多个文件时，很长一段时间后我收到消息
error: RPC failed; curl 55 Send failure: Connection timed out
fatal: The remote end hung up unexpectedly
我通过增加postBuffer应用了解决方案，但仍然无法正常工作。
详细的推送命令的响应
GIT_CURL_VERBOSE=1 git push origin backend
正在关注
* Couldn't find host gitlab.odookorea.com in the .netrc file; using defaults
* Found bundle for host gitlab.odookorea.com: 0x918de0 [can pipeline]
* Re-using existing connection! (#0) with host gitlab.odookorea.com
* Connected to gitlab.odookorea.com (182.237.84.46) port 80 (#0)
* Server auth using Basic with user 'abbas'
> GET /hyuna/fruits-passion.git/info/refs?service=git-receive-pack HTTP/1.1
Host: gitlab.odookorea.com
Authorization: Basic YWJiYXM6QWJiYXMxMjM1IQ==
User-Agent: git/2.18.0
Accept: */*
Accept-Encoding: deflate, gzip
Accept-Language: en-US, *;q=0.9
Pragma: no-cache
< HTTP/1.1 200 OK
< Server: nginx/1.10.3 (Ubuntu)
< Date: Fri, 20 Jul 2018 04:06:36 GMT
< Content-Type: application/x-git-receive-pack-advertisement
< Content-Length: 603
< Connection: keep-alive
< Cache-Control: no-cache
< Strict-Transport-Security: max-age=31536000
<
* Connection #0 to host gitlab.odookorea.com left intact
Enumerating objects: 525, done.
Counting objects: 100% (525/525), done.
Delta compression using up to 8 threads.
Compressing objects: 100% (322/322), done.
Writing objects: 100% (521/521), 221.37 KiB | 73.79 MiB/s, done.
Total 521 (delta 157), reused 492 (delta 147)
* Couldn't find host gitlab.odookorea.com in the .netrc file; using defaults
* Found bundle for host gitlab.odookorea.com: 0x918de0 [can pipeline]
* Re-using existing connection! (#0) with host gitlab.odookorea.com
* Connected to gitlab.odookorea.com (182.237.84.46) port 80 (#0)
* Server auth using Basic with user 'abbas'
> POST /hyuna/fruits-passion.git/git-receive-pack HTTP/1.1
Host: gitlab.odookorea.com
Authorization: Basic YWJiYXM6QWJiYXMxMjM1IQ==
User-Agent: git/2.18.0
Accept-Encoding: deflate, gzip
Content-Type: application/x-git-receive-pack-request
Accept: application/x-git-receive-pack-result
Content-Length: 226841
* Send failure: Connection timed out
* Closing connection 0
error: RPC failed; curl 55 Send failure: Connection timed out
fatal: The remote end hung up unexpectedly
fatal: The remote end hung up unexpectedly
Everything up-to-date
我正在尝试从上周开始解决问题，但无法解决。请帮我解决。
谢谢！