无法将提交推送到我的git存储库

在那时将其推到我的git存储库档，可能是什么问题？请帮助。这是我git添加并提交更改后的日志。git推送到我的master分支后，推送在压缩对象后停止。

(virtual) david@david-Lenovo-ideapad-110-15ISK:~/Blog$ git status
On branch master
Changes to be committed:
(use "git reset HEAD <file>..." to unstage)

modified:   nimo/templates/about.html
modified:   nimo/templates/base.html
modified:   nimo/templates/navbar.html
modified:   static/css/base.css
new file:   static/images/dance.png
new file:   static/images/music.jpg
new file:   static/images/pic1.jpg
new file:   static/images/pic2.jpg
new file:   static/js/jquery-3.3.1.js
new file:   static/js/scripts.js

(virtual) david@david-Lenovo-ideapad-110-15ISK:~/Blog$ git add .
(virtual) david@david-Lenovo-ideapad-110-15ISK:~/Blog$ git commit -m     "comments"
[master 7fd6f10] comments
10 files changed, 10442 insertions(+), 1 deletion(-)
create mode 100644 static/images/dance.png
create mode 100644 static/images/music.jpg
create mode 100644 static/images/pic1.jpg
create mode 100644 static/images/pic2.jpg
create mode 100644 static/js/jquery-3.3.1.js
create mode 100644 static/js/scripts.js
(virtual) david@david-Lenovo-ideapad-110-15ISK:~/Blog$ git push origin     master
Username for 'https://github.com': DavidNganga
Password for 'https://[email protected]': 
Counting objects: 286, done.
Delta compression using up to 4 threads.
Compressing objects: 100% (222/222), done.
Writing objects: 100% (286/286), 412.07 MiB | 53.28 MiB/s, done.
Total 286 (delta 144), reused 112 (delta 50)

另外，Delta代表什么？