How to send composite information?

You can edit the message directly, and the content is "Hello, it's been a while since we broke up, and I haven't forgotten you. Let's make up again. " Just send it. Note: 1. If the other party has blacklisted you, it cannot be sent successfully. If your mobile phone number is out of service for more than 3 months, you can't send it. If the other party changes the number, it can't be sent. "and then send a message to 10. 4. If the above methods fail, I suggest you go to the local business hall and ask the staff to check it for you. "and then send a message to 10. If the above methods can't be sent, I suggest you go to the local business hall and ask the staff to check it for you.