Hi arseniy96,
Thanks for using Apple Support Communities. It sounds like you’re having trouble with Apple Music. I’m happy to provide some steps that may help.
To start, I suggest trying the steps in the article below:
Get help with iCloud Music Library - Apple Support
Should the issue persist, I suggest signing out of and then back into Apple Music. This will remove anything you’ve made available for offline play, and you’ll have to redownload that music once you’ve signed back in.
To sign out, tap Settings > iTunes & App Store > [Apple ID] > Sign Out. I suggest restarting your device before signing back in. Then, you’ll want to make sure iCloud Music Library is enabled. You can do so by tapping Settings > Music.
Take care.