Fix the issue that the data is not displayed when the map is not loaded.

sean.zhou

2023-03-14 b09ed762edb698bb12b11beb28ee7c2de76ceecc

 src/pages/page-web/projects/tsa.vue

@@ -259,7 +259,7 @@
  }, 3000)
  const element = document.getElementsByClassName('scrollbar').item(0) as HTMLDivElement
  const parent = element?.parentNode as HTMLDivElement
  scorllHeight.value = parent?.clientHeight - parent.firstElementChild!.clientHeight
  scorllHeight.value = parent?.clientHeight - parent?.firstElementChild?.clientHeight
})

function getOnlineTopo () {