1. Sending late wishes: Sincerely express your birthday wishes through text messages, phone calls, or social media, and explain the reason for being late.
2. Giving a birthday gift: Carefully select a birthday gift according to your friend's preferences and give it to him/her, which can be books, accessories, electronic products, etc.
3. Arrange special events: Invite friends to have a special event together, such as dinner, watching a movie, singing karaoke, or outdoor adventures, to make up for missed birthday celebrations.