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:Theabovecopyrightnoticeandthispermissionnoticeshallbeincludedinallcopiesorsubstantialpo