uni.showModal({ //标题
                      title: _that.topnews.title,
                      content: _that.topnews.description ? _that.topnews.description : '暂无数据',
                      success: (res) => {
                        if (res.confirm) {
                          uni.navigateTo({
                            url:'../../pages/News/details?id='+_that.topnews.id
                          })
                          // plus.runtime.openURL('../../pages/News/details?id='+_that.topnews.id);
                        }
                      }
                    })