Inconsistent line endings?

jokera

Sometimes an error box pops up: Display: Inconsistent line ends, do you want to standardize /
 The Chinese characters on the corresponding pages have become garbled
How to solve it?
consult

sebadoh

Inconsistent end of line, which means you used if and useless end

jokera

It should not be, then it can't run
The page was good before, but somehow later

zzz1980

The following line endings are inconsistent. Do you want to standardize? Same error