code: function(name, factory, override) {
              var methods = this.methods;
  
              if (override || !methods[name]) {
                  methods[name] = factory(Slide, $B);
                  //必须包括4个函数一个是监控翻页的update
                  //另外一个是updateItem
                  //一个是init
                  //keyEvent;
              }
          }
docs: 添加一个新的监控