[Hummingbird] bug report Hummingbird Pro 1.9

when i update Hummingbird Pro 1.8.2 to 1.9
it 's bug
GZIP Compression status show inactive
and show
Gzip is not working properly:

- Your server may not have the "deflate" module enabled (mod_deflate for Apache, ngx_http_gzip_module for NGINX).
- Contact your host. If deflate is enabled, ask why all .htaccess or nginx.conf compression rules are not being applied.
If re-checking and restarting does not resolve, please check with your host or open a support ticket with us.
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but in v.1.8.2 ,it's ok
GZip compression is currently active. Good job!
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so i try to rebackup website from v1.9 to 1.8.2
it' ok
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please check your code
thank you