`SearchReplaceSingleBufferVisualSelection` not friendly to chinese characters

[jonahfang]

When I select chinese characters, the command line show like this:

which what I needed is like this:

[jonahfang]

I have used my own key binding to solve this problem , see: https://www.reddit.com/r/neovim/comments/191y2in/help_to_remove_the_string_in_command_line/