xcopy "%~dp0\run_client\res\char" "%~dp0\run_client\res\actor\char\" /Y /E /V
start /wait %~dp0\run_client\Pack.exe %~dp0%run_client\res\actor
char文件太大，我想让他打包出来后变成actor1,actor2,actor3,actor4,这样分开几份，该怎么操作，有能看懂的吗