新建文本文档，复制以下代码，改名为.bat后以管理员身份运行。 

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:: # 声明代码页编码格式为 UTF-8
chcp 65001
@echo off
mode con lines=5 cols=50
color a
cls
 
goto choose
 
:add
reg add HKLM\SOFTWARE\Classes\lnkfile /t REG_SZ /v IsShortcut /f >nul
reg add HKLM\SOFTWARE\Classes\piffile /t REG_SZ /v IsShortcut /f >nul
goto refresh
 
:del
reg delete HKLM\SOFTWARE\Classes\lnkfile /v IsShortcut /f >nul
reg delete HKLM\SOFTWARE\Classes\piffile /v IsShortcut /f >nul
goto refresh
 
:refresh
taskkill /im explorer.exe /f >nul 2>nul
attrib -s -r -h "%userprofile%\AppData\Local\iconcache.db" >nul 2>nul
del "%userprofile%\AppData\Local\iconcache.db" /f /q >nul 2>nul
start explorer >nul 2>nul & goto :eof
 
:choose
cls
echo.&echo.
echo       1，去掉小箭头       2，恢复小箭头
echo.
choice /c 12 /n
 
if ERRORLEVEL 2 goto add
if ERRORLEVEL 1 goto del

来源：https://blog.csdn.net/guzhizang/article/details/135246029?fromshare=blogdetail&sharetype=blogdetail&sharerId=135246029&sharerefer=PC&sharesource=ks9900&sharefrom=from_link