onReachBottom() {
    console.log("我在触底");
    const { pageIndex, pageSize, getStauList } = this.state;
    if (pageIndex * pageSize > getStauList.length) return;
    this.setState(
      {
        pageIndex: pageIndex + 1
      },
      () => {
        this.getStatusList();
      }
    );
  }