$ sequelize model:generate --name Category --attributes name:string,rank:integer
$ sequelize model:generate --name User --attributes email:string,username:string,password:string,nickname:string,sex:tinyint,company:string,introduce:text,role:tinyint
$ sequelize model:generate --name Course --attributes categoryId:integer,userId:integer,name:string,image:string,recommended:boolean,introductory:boolean,content:text,likesCOunt:integer,chaptersCount:integer
$ sequelize model:generate --name Chapter --attributes courseId:integer,title:string,content:text,video:string,rank:integer
$ sequelize model:generate --name Like --attributes courseId:integer,userId:integer
$ sequelize model:generate --name Setting --attributes name:string,icp:string,copyright:string
$ sequelize db:migrate
