Cannot connecting the download site

[Xiaoyang-Zhu]

When I tried to use ./run.sh to install all the dependencies, it encounters errors

$ sudo ./configure.sh
Fetching dependencies.
--2018-03-08 03:20:57-- http://download.redis.io/releases/redis-4.0.8.tar.gz
Resolving download.redis.io (download.redis.io)... 172.31.255.254
Connecting to download.redis.io (download.redis.io)|172.31.255.254|:80... failed: No route to host.
make: *** redis: No such file or directory. Stop.
Installing NPM modules.
npm WARN [email protected] No repository field.
npm WARN The package moment is included as both a dev and production dependency.

up to date in 1.39s
rm: cannot remove './node.tar.gz': No such file or directory