- UIAlertController *alertControl = [UIAlertController alertControllerWithTitle:@"Unlock offline" message:@"Unlock offline to sync with another account." preferredStyle:UIAlertControllerStyleAlert];
+ UIAlertController *alertControl = [UIAlertController alertControllerWithTitle:@"Unlock offline" message:@"Unlock offline to sync with another account. Current user data will lost!" preferredStyle:UIAlertControllerStyleAlert];