wx.updateShareMenu({

      withShareTicket: true,

      isUpdatableMessage: true,

      targetState: 0,

      activityId: coupon.activity_id, 

      templateInfo: {

        parameterList: [{

          name: 'member_count',

          value: '1'

        }, {

          name: 'room_limit',

          value: '3'

        }]

      }

    })