Oh I see the tag you added. There must be some configuration error on my site 
I recorded my screen, the scene was as below 
The tag I added just disappeared 
I’m the admin of this site, so I think maybe it’s not the problem of trust level 
Oh I see the tag you added. There must be some configuration error on my site
I recorded my screen, the scene was as below
The tag I added just disappeared
I’m the admin of this site, so I think maybe it’s not the problem of trust level