fix: CN-1558 解决提示框被遮挡的问题，修改提示信息

src/views/location/Index.vue

@@ -278,7 +278,7 @@ export default {
         const option = _.cloneDeep(pieOption)
         option.color = this.pieColorRamp.map(c => `rgb(${c})`)
         option.series[0].data = this.pieValueRamp.map((r, i) => ({
-          name: `p${i}`,
+          name: `${r.start}~${r.end}`,
           value: r.count
         }))
         this.pieOption = option

src/views/location/chartOption.js

@@ -1,6 +1,7 @@
 export const pieOption = {
   tooltip: {
-    trigger: 'item'
+    trigger: 'item',
+    appendToBody: true//解决提示框被遮挡的问题
   },
   legend: {
     show: false,