修复首页柱状图超出x轴

src/views/dashboard/LineChart.vue

@@ -70,7 +70,7 @@ export default {
         this.chart.setOption({
           xAxis: {
             data: xAxisData || [],
-            boundaryGap: false,
+            boundaryGap: true,
             axisTick: {
               show: false
             },