Where do you want to see the output?
Messages being output via Debug.Print
will be displayed in the immediate window which you can open by pressing Ctrl+G.
You can also Activate the so called Immediate Window by clicking View -> Immediate Window on the VBE toolbar
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…