排行榜数据大于两条展示

src/views/learning/item-part-in.vue

@@ -166,10 +166,10 @@ export default {
         xAxisData[i] = data.top[i].name;
         seriesData[i] = data.top[i].value;
       }
-      if(vm.organizationNum == 1) {
+      if(vm.organizationNum == 1 || xAxisData.length <= 1) {
         vm.showChart = false;
       }
-      if (xAxisData.length > 0 && vm.organizationNum !=1) {
+      if (xAxisData.length > 1 && vm.organizationNum !=1) {
         vm.showChart = true;
         setTimeout(function() {
           let myChart = echarts.init(vm.$refs.rankChart);