fix：修改饼图单位没生效的问题 ，以及预览页面跟饼图保持一致

nezha-fronted/src/components/charts/chart-pie.vue

@@ -595,13 +595,14 @@ export default {
         }
       },
       formatterFunc:function(params, ticket, callback){
+        let chartInfo=this.chartData;
         return `
                 <div>
                     <div style="white-space:nowrap;overflow-x:hidden;text-overflow:ellipsis;  min-width: 150px; max-width: 600px; line-height: 18px; font-size: 14px;">
                         <div style="max-width: 500px;white-space:nowrap;overflow-x:hidden;text-overflow:ellipsis;margin-bottom: 5px">${this.legend[params.dataIndex].alias}</div>
                         <div style="font-size:12px;display:flex;justify-content: space-between;">
                             <div>value</div>
-                            <div>${params.value}</div>
+                            <div>${chartDataFormat.getUnit(chartInfo.unit?chartInfo.unit:2).compute(params.value,null,-1,2)}</div>
                         </div>
                         <div style="font-size:12px;display:flex;justify-content: space-between;">
                             <div>percent</div>