Why does wallpaper blister after pasting? Can you level it with your hands?

The newly pasted wallpaper will blister in some places for the following reasons: 1: Construction will be carried out if the time for brushing the basement membrane is too short. 2: There is a glue block that has not dissolved, and it will slowly dry in the shade in a few days. Don't press it by hand, it will affect the effect. There is air directly between the wallpaper and the wall, wait for about a week. If it still exists, pump out the air in the middle with a needle and inject a small amount of wallpaper adhesive. Hang it flat with a scraper. Address: No.0/5 Jianshe East Road/KLOC-0, Tiexi District, Shenyang, Liaoning (opposite to the south gate of Shengyuan Dida and Hongwei Du Ming in Xinggong Street) (next to Ai Wu's decorator).