i very like to get gems from my dragon market, but there are 2 days, my gems from dragon market always lost. i see my gems are increase, but after i quit my game and restart it, my gems that i have claimed from dragon market lost.i have report it, but they not answer me
please help me

This is an old bug and likely never to be fixed. Those gems will never stay so forget about them.

You can try to send in a ticket to support though it is highly unlikely anything will he done on it.

thank you so much for your suggest @Nynaevelan