assgin的bug难道？

gapkiller

it looks very strange!
Any way, we don't need to care these details like this, I think.
We should use valid , well-regulated and intelligible characters as variable, shouldn't we?

gapkiller

By the way, "山寨" is chinaese monogram.
it's ASCII codes from 127 to 255，not belong 'A-Z' 'a-z' '0-9'