我在 win10 中安装了 gvim D:\Vim。并在 中添加了以下设置配置D:\Vim\_vimrc：
set noundofile
set nobackup nowritebackup
然后:wq。但是，这个保存的nobackup配置仍然不起作用。当我关闭 vim 打开的文件时，仍然有一个filename~备份文件。我的配置有什么问题？
编辑：
输出:scriptnames：
1: D:\Vim\_vimrc
2: D:\Vim\vim82\syntax\syntax.vim
3: D:\Vim\vim82\syntax\synload.vim
4: D:\Vim\vim82\syntax\syncolor.vim
5: D:\Vim\vim82\filetype.vim
6: D:\Vim\vim82\menu.vim
7: D:\Vim\vim82\autoload\paste.vim
8: D:\Vim\vim82\syntax\python.vim
9: D:\Vim\vim82\vimrc_example.vim
10: D:\Vim\vim82\defaults.vim
11: D:\Vim\vim82\ftplugin.vim
12: D:\Vim\vim82\indent.vim
13: D:\Vim\vim82\syntax\nosyntax.vim
14: D:\Vim\vim82\mswin.vim
15: D:\Vim\vim82\plugin\getscriptPlugin.vim
16: D:\Vim\vim82\plugin\gzip.vim
17: D:\Vim\vim82\plugin\logiPat.vim
18: D:\Vim\vim82\plugin\manpager.vim
19: D:\Vim\vim82\plugin\matchparen.vim
20: D:\Vim\vim82\plugin\netrwPlugin.vim
21: D:\Vim\vim82\plugin\rrhelper.vim
22: D:\Vim\vim82\plugin\spellfile.vim
23: D:\Vim\vim82\plugin\tarPlugin.vim
24: D:\Vim\vim82\plugin\tohtml.vim
25: D:\Vim\vim82\plugin\vimballPlugin.vim
26: D:\Vim\vim82\plugin\zipPlugin.vim
27: D:\Vim\vim82\pack\dist\opt\matchit\plugin\matchit.vim
28: D:\Vim\vim82\ftplugin\python.vim
29: D:\Vim\vim82\indent\python.vim
输出:version
VIM - Vi IMproved 8.2 (2019 Dec 12, compiled May 2 2021 19:00:02)
MS-Windows 32-bit GUI version with OLE support
Included patches: 1-2824
Compiled by mool@tororo
Huge version with GUI. Features included (+) or not (-):
+acl +comments +file_in_path +lispindent +perl/dyn +startuptime +user_commands
+arabic +conceal +find_in_path +listcmds +persistent_undo +statusline +vartabs
+autocmd +cryptv +float +localmap +popupwin -sun_workshop +vertsplit
+autochdir +cscope +folding +lua/dyn -postscript +syntax +virtualedit
+autoservername +cursorbind -footer +menu +printer +tag_binary +visual
+balloon_eval +cursorshape +gettext/dyn +mksession +profile -tag_old_static +visualextra
-balloon_eval_term +dialog_con_gui -hangul_input +modify_fname +python/dyn -tag_any_white +viminfo
+browse +diff +iconv/dyn +mouse +python3/dyn +tcl/dyn +vreplace
++builtin_terms +digraphs +insert_expand +mouseshape +quickfix -termguicolors -vtp
+byte_offset +directx +ipv6 +multi_byte_ime/dyn +reltime +terminal +wildignore
+channel -dnd +job +multi_lang +rightleft -termresponse +wildmenu
+cindent -ebcdic +jumplist +mzscheme/dyn +ruby/dyn +textobjects +windows
+clientserver +emacs_tags +keymap +netbeans_intg +scrollbind +textprop +writebackup
+clipboard +eval +lambda +num64 +signs -tgetent -xfontset
+cmdline_compl +ex_extra +langmap +ole +smartindent +timers -xim
+cmdline_hist +extra_search +libcall +packages +sound +title +xpm_w32
+cmdline_info -farsi +linebreak +path_extra +spell +toolbar -xterm_save
system vimrc file: "$VIM\vimrc"
user vimrc file: "$HOME\_vimrc"
2nd user vimrc file: "$HOME\vimfiles\vimrc"
3rd user vimrc file: "$VIM\_vimrc"
user exrc file: "$HOME\_exrc"
2nd user exrc file: "$VIM\_exrc"
system gvimrc file: "$VIM\gvimrc"
user gvimrc file: "$HOME\_gvimrc"
2nd user gvimrc file: "$HOME\vimfiles\gvimrc"
3rd user gvimrc file: "$VIM\_gvimrc"
defaults file: "$VIMRUNTIME\defaults.vim"
system menu file: "$VIMRUNTIME\menu.vim"
Compilation: cl -c /W3 /GF /nologo -I. -Iproto -DHAVE_PATHDEF -DWIN32 -DFEAT_CSCOPE -DFEAT_TERMINAL -DFEAT_SOUND -DFEAT_NETBEANS_INTG -DFEAT_JOB_CHA
NNEL -DFEAT_IPV6 -DFEAT_XPM_W32 -DWINVER=0x0501 -D_WIN32_WINNT=0x0501 /source-charset:utf-8 /MP -DHAVE_STDINT_H /Ox /GL -DNDEBUG /arch:IA32 /Zl /M
T /D_CRT_SECURE_NO_DEPRECATE /D_CRT_NONSTDC_NO_DEPRECATE -DFEAT_OLE -DFEAT_MBYTE_IME -DDYNAMIC_IME -DFEAT_GUI_MSWIN -DFEAT_DIRECTX -DDYNAMIC_DIRECTX -
DFEAT_DIRECTX_COLOR_EMOJI -DDYNAMIC_ICONV -DDYNAMIC_GETTEXT -DFEAT_TCL -DDYNAMIC_TCL -DDYNAMIC_TCL_DLL=\"tcl86t.dll\" -DDYNAMIC_TCL_VER=\"8.6\" -DFEAT
_LUA -DDYNAMIC_LUA -DDYNAMIC_LUA_DLL=\"lua53.dll\" -DFEAT_PYTHON -DDYNAMIC_PYTHON -DDYNAMIC_PYTHON_DLL=\"python27.dll\" -DFEAT_PYTHON3 -DDYNAMIC_PYTHO
N3 -DDYNAMIC_PYTHON3_DLL=\"python36.dll\" -DFEAT_MZSCHEME -I "E:\Racket\include" -DMZ_PRECISE_GC -DDYNAMIC_MZSCHEME -DDYNAMIC_MZSCH_DLL=\"libracket3m_
a36fs8.dll\" -DDYNAMIC_MZGC_DLL=\"libracket3m_a36fs8.dll\" -DFEAT_PERL -DPERL_IMPLICIT_CONTEXT -DPERL_IMPLICIT_SYS -DDYNAMIC_PERL -DDYNAMIC_PERL_DLL=\
"perl524.dll\" -DFEAT_RUBY -DDYNAMIC_RUBY -DDYNAMIC_RUBY_DLL=\"msvcrt-ruby240.dll\" -DRUBY_VERSION=24 -DFEAT_HUGE /Fd.\ObjGXOULYHTRZi386/ /Zi
Linking: link /nologo /opt:ref /LTCG:STATUS oldnames.lib kernel32.lib advapi32.lib shell32.lib gdi32.lib comdlg32.lib ole32.lib netapi32.lib uuid.li
b /machine:i386 gdi32.lib version.lib winspool.lib comctl32.lib advapi32.lib shell32.lib netapi32.lib /machine:i386 libcmt.lib oleaut32.lib user32
.lib /nodefaultlib:lua53.lib /STACK:8388608 /nodefaultlib:python27.lib /nodefaultlib:python36.lib "E:\ActiveTcl\lib\tclstub86.lib" winmm.lib WSoc
k32.lib Ws2_32.lib xpm\x86\lib-vc14\libXpm.lib /PDB:gvim.pdb -debug
输出:echo $VIM
D:\Vim