750s, shadowsocks configuration missing

installed GL-ss and GL-ss server successfully
when I trying to add a new ss cliend configuration it won’t save it
or I tried to modify the existed ss configuration which called “sample”, after I click “apply”, this configuration is also missing! it’s like nothing had happend.

help pls

It usually caused by bitdefender or other antivirus software, which may block you inputing password in non-https website, so blocking you to upload ovpn. You need to make an exception in the rules.