const windowInfo = wx.getWindowInfo()

      let bottomSafe = windowInfo.screenHeight - windowInfo.safeArea.bottom

      let windowHeight = wx.getWindowInfo().windowHeight

      let statusBarHeight = wx.getWindowInfo().statusBarHeight

      const deviceInfo = wx.getDeviceInfo()

      const system = deviceInfo.system

      const isWindow = system.includes('Windows')

      let scrollH = ''

      if (isWindow) {

        scrollH = windowHeight

      } else {

        scrollH = windowHeight - statusBarHeight - 150 - bottomSafe

      }