The school newsletter SMS reply is empty. The teacher sent a short message through the school newsletter. After I replied with my mobile phone, the teacher kept showing that the content was empty. How

The school newsletter SMS reply is empty. The teacher sent a short message through the school newsletter. After I replied with my mobile phone, the teacher kept showing that the content was empty. How to solve it? thank Under normal circumstances, the reply will be valid within 7 days after the teacher sends you the school communication information. You can choose the message closest to the teacher's sending time to recover. By the way, are you a user of Henan Mobile? If you have, you can also send a message to the teacher online, which is free. Every parent has an account password. You can log in by clicking Forgotten Password at the bottom of the www.xxt.cn login box.