You’ve implemented -[ application: didReceiveRemoteNotification: fetchCompletionHandler:], but you still need to add “remote-notification” to the list of your supported UIBackgroundModes in your Info.plist.の解決法
You'veimplemented-,butyoustillneedtoadd"remote-notification"tothelistofyoursupportedUIBackgroundModesinyourInfo.plist.iP...