.yy-pull-to-refresh{
  .am-pull-to-refresh-content-wrapper {
    height:100%;
  }
  .am-pull-to-refresh-content{
    height:100%;
  }
  .am-pull-to-refresh-content {
    & > div:nth-child(2){
      height:100%;
      overflow: auto;
    }

  }
}