Install Problem when unpacking Nginx accesskey

hi every one , i have a problem when trying to install centminmod V1.2.3-Eva2000.07 !
MY VPS OS VERSION : 6.7 CENTOS

Code:

^[[1;33;40mDownload done.
^[[0;10m
gzip: stdin: not in gzip format
tar: Child returned status 1
tar: Error is not recoverable: exiting now
^[[1;32;40mError: Nginx-accesskey-2.0.3.tar.gz extraction failed.
^[[0;10mcheck Centmin Mod log for details at /root/centminlogs/
Aborting script...

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