ps：请假，26号补上，27号四章更新赔罪。

licensethemitlicense(mit)copyright(c)<year><copyrightholders>permissionisherebygranted，freeofcharge，toanypersonobtainingacopyofthissoftwareandassociateddocumentationfiles(the“software“)，todealinthesoftwarewithoutrestriction，includingwithoutlimitationtherightstouse，copy，modify，merge，publish，distribute，/orsellcopiesofthesoftware，andtopermitpersonstowhomthesoftwareisfurnishedtodoso，subjecttothefollowingconditions:theabovecopyrightnoticeandthispermissionnoticeshallbeincludedinallcopiesorsubstantialportionsofthesoftware.

thesoftwareisprovided“asis“，withoutwarrantyofanykind，expressorimplied，includingbutnotlimitedtothewarrantiesofmerchantability，fitnessforaparticularpurposeandnoninfringement.innoeventshalltheauthorsorcopyrightholdersbeliableforanyclaim，damagesorotherliability，whetherinanactionofcontract，tortorotherwise，arisingfrom，outoforinconnectionwiththesoftwareortheuseorotherdealingsinthesoftware.duienginelicensethemitlicense(mit)copyright(c)<year><copyrightholders>permissionisherebygranted，freeofcharge，toanypersonobtainingacopyofthissoftwareandassociateddocumentationfiles(the“software“)，todealinthesoftwarewithoutrestriction，includingwithoutlimitationtherightstouse，copy，modify，merge，publish，distribute，sublicense，and/orsellcopiesofthesoftware，andtopermitpersonstowhomthesoftwareisfurnishedtodoso，subjecttothefollowingconditions:theabovecopyrightnoticeandthispermissionnoticeshallbeincludedinallcopiesorsubstantialportionsofthesoftware.sublicense，and/orsellcopiesofthesoftware，andtopermitpersonstowhomthesoftwareisfurnishedtodoso，subjecttothefollowingconditions:theabovecopyrightnoticeandthispermissionnoticeshallbeincludedinallcopiesorsubstantialportionsofthesoftware.

thesoftwareisprovided“asis“，withoutwarrantyofanykind，expressorimplied，includingbutnotlimitedtothewarrantiesofmerchantability，fitnessforaparticularpurposeandnoninfringement.innoeventshalltheauthorsorcopyrightholdersbeliableforanyclaim，damagesorotherliability，whetherinanactionofcontract，tortorotherwise，arisingfrom，outoforinconnectionwiththesoftwareortheuseorotherdealingsinthesoftware.

thesoftwareisprovided“asis“，withoutwarrantyofanykind，expressorimplied，includingbutnotlimitedtothewarrantiesofmerchantability，fitnessforaparticularpurposeandnoninfringement.innoeventshalltheauthorsorcopyrightholdersbeliableforanyclaim，damagesorotherliability，whetherinanactionofcontract，tortorotherwise，arisingfrom，outoforinconnectionwiththesoftwareortheuseorotherdealingsinthesoftware.(未完待续。)