安装失败了？

Installing collected packages: psutil, mysql-python, chardet, web.py, virtualenv
  Running setup.py install for psutil ... done
  Running setup.py install for mysql-python ... done
  Running setup.py install for web.py ... done
Successfully installed chardet-3.0.2 mysql-python-1.2.5 psutil-5.2.2 virtualenv-15.1.0 web.py-0.38
--2017-05-06 18:14:13--  http://174.139.221.74:5880/install/certbot-auto.init
Connecting to 174.139.221.74:5880... connected.
HTTP request sent, awaiting response... 200 OK
Length: 46789 (46K) [application/octet-stream]
Saving to: `/www/server/panel/certbot-auto'

100%[======================================>] 46,789      --.-K/s   in 0.03s

2017-05-06 18:14:13 (1.28 MB/s) - `/www/server/panel/certbot-auto' saved [46789/46789]

--2017-05-06 18:14:13--  http://174.139.221.74:5880/install/src/panel.zip
Connecting to 174.139.221.74:5880... connected.
HTTP request sent, awaiting response... 200 OK
Length: 1930567 (1.8M) [application/zip]
Saving to: `panel.zip'

100%[======================================>] 1,930,567    459K/s   in 4.1s

2017-05-06 18:14:17 (459 KB/s) - `panel.zip' saved [1930567/1930567]

--2017-05-06 18:14:17--  http://174.139.221.74:5880/install/src/bt.init
Connecting to 174.139.221.74:5880... connected.
HTTP request sent, awaiting response... 200 OK
Length: 1768 (1.7K) [application/octet-stream]
Saving to: `/etc/init.d/bt'

100%[======================================>] 1,768       --.-K/s   in 0s

2017-05-06 18:14:17 (662 MB/s) - `/etc/init.d/bt' saved [1768/1768]

error [panel.zip]:  start of central directory not found;
  zipfile corrupt.
  (please check that you have transferred or created the zipfile in the
  appropriate BINARY mode and that you have compiled UnZip properly)
ERROR: Failed to download, please try again!
============================================

貌似是这货panel.zip 下载失败 无法解压

如何解决这个问题，刚刚安装也遇到了