feat: 无数据优化

src/views/stationData/components/deviceDrawer.vue

@@ -115,6 +115,9 @@ async function loadDeviceDetails() {
   const poinsRes = await loadPoints()
   if (!poinsRes || poinsRes.code !== 0) {
     message.error('获取点位数据失败')
+    pointList.value = []
+    chartDatas.clear()
+    axisData.clear()
     fullscreenLoading.value?.close()
     return
   }