趋势图问题修复

src/views/sound/road/trend/index.vue

@@ -114,7 +114,17 @@
       // 趋势图
       drawTrend() {
         getTrendChart(this.queryParams).then( res => {
+          console.log('res', res);
+          if (res.data.code == 0) {
             this.trendData = res.data.data
+            this.initChart()
+          } else {
+            this.$message.error(res.data.msg)
+          }
+        })
+      },
+      initChart() {
+        echarts.init(document.getElementById("chartColumn")).dispose();
         this.chartColumn = markRaw(echarts.init(document.getElementById('chartColumn')))
         this.chartColumn.setOption({
           tooltip: {
@@ -138,7 +148,6 @@
           yAxis: this.trendData.yAxis,
           series: this.trendData.series
         })
-        })
       }
     }