https://bugzilla.redhat.com/show_bug.cgi?id=1419330
--- Comment #8 from sensor.wen@gmail.com --- Thanks robin
[fixed]: ldconfig is redundant [fixed]: Removing OnlyShowIn is bad. One can submit a request to freedesktop to add a new recognized desktop environment.
I think other warnings are optional. I will submit a new variable to bugs.freedesktop.org for Deepin desktop environment.