Konsole中的“/”会变成“？？？”

Konsole中的“/”会变成“？？？”
这样的话我只能用vim ./*打开...
求解决
l23e@debian:~$ ls
Desktop Documents Downloads Music Pictures Project Public Templates Videos
l23e@debian:~$ cd ./Documents
l23e@debian:~/Documents$ ls
18???9???25???8:05pm
l23e@debian:~/Documents$ vim 18/9/25/8:05pm
YouCompleteMe unavailable: requires Vim compiled with Python (2.7.1+ or 3.4+) support.
Press ENTER or type command to continue
l23e@debian:~/Documents$ ls
18???9???25???8:05pm
l23e@debian:~/Documents$ vim 18???9???25???8:50pm
YouCompleteMe unavailable: requires Vim compiled with Python (2.7.1+ or 3.4+) support.
Press ENTER or type command to continue
l23e@debian:~/Documents$