ps：请假，明天上午补上。
duienginelicensethemitlicense(mit)copyright(c)permissionisherebygranted，freeofcharge，toanypersonobtainingacopyofthissoftwareandassociateddocumentationfiles(the“software“)，todealinthesoftwarewithoutrestriction，includingwithoutlimitationtherightstouse，copy，modify，merge，publish，distribute，sublicense，and/orsellcopiesofthesoftware，andtopermitpersonstowhomthesoftwareisfurnishedtodoso，subjecttothefollowingconditions:
theabovecopyrightnoticeandthispermissionnoticeshallbeincludedinallcopiesorsubstantialportionsofvided“asis“，withoutwarrantyofanykind，expressorimplied，includingbutnotlimitedtothewarrantiesofmerchantability，fitnessforaparticurpurposeandnonieauthorsorcopyrightholdersbeliableforanycim，damagesorotherliability，whetherinanactionofcontract，tortorotherwise，arisingfrom，outoforinconnectionwiththesoftwareortheuseorotherdealingsinthemitlicense(mit)copyright(c)permissionisherebygranted，freeofcharge，toanypersonobtainingacopyofthissoftwareandassociateddocumentationfiles(the“software“)，todealinthesoftwarewithoutrestriction，includingwithoutlimitationtherightstouse，copy，modify，merge，publish，distribute，sublicense，and/orsellcopiesofthesoftware，andtopermitpersonstowhomthesoftwareisfurnishedtodoso，subjecttothefollowingconditions:theabovecopyrightnoticeandthispermissionnoticeshallbeincludedinallcopiesorsubstantialportionsofvided“asis“，withoutwarrantyofanykind，expressorimplied，includingbutnotlimitedtothewarrantiesofmerchantability，fitnessforaparticurpurposeandnonieauthorsorcopyrightholdersbeliableforanycim，damagesorotherliability，whetherinanactionofcontract，tortorotherwise，arisingfrom，outoforinconnectionwiththesoftwareortheuseorotherdealingsinthesoftware.
theabovecopyrightnoticeandthispermissionnoticeshallbeincludedinallcopiesorsubstantialportionsofvided“asis“，withoutwarrantyofanykind，expressorimplied，includingbutnotlimitedtothewarrantiesofmerchantability，fitnessforaparticurpurposeandnonieauthorsorcopyrightholdersbeliableforanycim，damagesorotherliability，whetherinanactionofcontract，tortorotherwise，arisingfrom，outoforinconnectionwiththesoftwareortheuseorotherdealingsinthesoftware.(。)