How to set the top SMS for Glory 30plus?

When we use Huawei's mobile phone, we can set the unread information to the top in order to prevent missing important short messages. What should we do at this time? Take Huawei MATE 10 as an example;

_ Purple, but not only that, but also, I was arrested _ Jun, I'm afraid I'll save you, but I'm in a hurry, I'm afraid I'll wake up. Where's the old pomelo?

_ Nuo Er Road, Jing, Ding, Ken, Ruiye, Jian, Jian, Zhu,?

_ 戤? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?