@echo off
setlocal enabledelayedexpansion
for /f "delims=" %%a in ('dir /b /s /ad') do (
    pushd "%%a"
    echo 正在处理子文件夹 %%a
    set /a FileNum=10000
    for /f "delims=" %%b in ('dir /b /s /a-d *.jpg *.tif') do (
        set /a FileNum+=1
        ren "%%b" "!FileNum:~1!%%~xb"
    )
    popd
)
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