修改

src/views/bigdata/chart-event.vue

@@ -92,17 +92,16 @@
         let chartData = that.data_source;
         let arrName = [];
         let arrValue = [];
-        let sum = 0;
+        let sum = Number(0);
         let pieSeries = [],
           lineYAxis = [];
 
         // 数据处理
         chartData.forEach((v, i) => {
           arrName.push(v.name);
-          arrValue.push(v.value);
-          sum = sum + v.value;
+          arrValue.push(Number(v.value));
+          sum = Number(sum) + Number(v.value);
         });
-
         // 图表option整理
         chartData.forEach((v, i) => {
           pieSeries.push({