Other reasons:
1, Tencent will send a notice to inform the system maintenance.
2. If it is not during system maintenance, then you need to open QQ and click on your personal information. Next to the personalized signature, there is a "Save personalized signature to space".
Personality signature:
Stay with me. I don't want to make you happy, but because I am.
2, the world of children, only children understand. Our time, only our memories.
3. When you love someone, you only see the advantages of the other person, but you don't care about the shortcomings.
Let's welcome the warm spring with open arms.
5. We didn't have a mobile phone, a computer or wifi before. At that time, we were happier than now.