guchenxi #1i,e this puzzle zh.lichess.org/training/23587, can play 3. Qg5+, followed by Kh7 Qh5#.(zh.lichess.org/TEfYoYCnj5sl)
The_Laminator #2the computer looks for the quickest mate, so it thinks your way is wrong because it isn't the fastest way. I do agree, it should say 'good move' for Qg5.