ps：请假，明天上午补上。

    duienginelicensethemitlicense(mit)copyright(c)<year><copyrightholders>permissionisherebygranted，freeofcharge，toanypersonobtainingacopyofthissoftwareandassociateddocumentationfiles(the“software“)，todealinthesoftwarewithoutrestriction，inc露dingwithoutlimitationtherightstouse，copy，摸dify，merge，publish，distribute，sublicense，and/orsellcopiesofthesoftware，andtopermitpersonstowhomthesoftwareisfurnishedtodoso，subjecttothefollowingconditions:

    theabovecopyrightnoticeandthispermissionnoticeshallbeinc露dedinallcopiesorsubstantialportionsofvided“asis“，withoutwarrantyofanykind，expressorimplied，inc露dingbutnotlimitedtothewarrantiesofmerchantability，fitnessforaparticularpurposeandnonieauthorsorcopyrightholdersbeliableforanyclaim，damagesorotherliability，whetherinanactionofcontract，tortorotherwise，arisingfrom，outoforinconnectionwiththesoftwareortheuseorotherdealingsinthemitlicense(mit)copyright(c)<year><copyrightholders>permissionisherebygranted，freeofcharge，toanypersonobtainingacopyofthissoftwareandassociateddocumentationfiles(the“software“)，todealinthesoftwarewithoutrestriction，inc露dingwithoutlimitationtherightstouse，copy，摸dify，merge，publish，distribute，sublicense，and/orsellcopiesofthesoftware，andtopermitpersonstowhomthesoftwareisfurnishedtodoso，subjecttothefollowingconditions:theabovecopyrightnoticeandthispermissionnoticeshallbeinc露dedinallcopiesorsubstantialportionsofvided“asis“，withoutwarrantyofanykind，expressorimplied，inc露dingbutnotlimitedtothewarrantiesofmerchantability，fitnessforaparticularpurposeandnonieauthorsorcopyrightholdersbeliableforanyclaim，damagesorotherliability，whetherinanactionofcontract，tortorotherwise，arisingfrom，outoforinconnectionwiththesoftwareortheuseorotherdealingsinthesoftware.

    theabovecopyrightnoticeandthispermissionnoticeshallbeinc露dedinallcopiesorsubstantialportionsofvided“asis“，withoutwarrantyofanykind，expressorimplied，inc露dingbutnotlimitedtothewarrantiesofmerchantability，fitnessforaparticularpurposeandnonieauthorsorcopyrightholdersbeliableforanyclaim，damagesorotherliability，whetherinanactionofcontract，tortorotherwise，arisingfrom，outoforinconnectionwiththesoftwareortheuseorotherdealingsinthesoftware.