diff --git a/src/components/Line/index.vue b/src/components/Line/index.vue
index 814b025..00b7ab9 100644
--- a/src/components/Line/index.vue
+++ b/src/components/Line/index.vue
@@ -29,6 +29,12 @@
 
   let lineChart = null
   let defaultCofig = {
+    tooltip: {
+      trigger: 'axis',
+      axisPointer: {
+        type: 'cross'
+      }
+    },
     grid: {
       left: '2%',
       right: '2%',
@@ -69,74 +75,12 @@
         }
       }
     },
-    visualMap: {
-      show: false,
-      dimension: 0,
-      pieces: [
-        {
-          lte: 6,
-          color: 'green'
-        },
-        {
-          gt: 6,
-          lte: 8,
-          color: 'red'
-        },
-        {
-          gt: 8,
-          lte: 14,
-          color: 'green'
-        },
-        {
-          gt: 14,
-          lte: 17,
-          color: 'red'
-        },
-        {
-          gt: 17,
-          color: 'green'
-        }
-      ]
-    },
     series: [
       {
         data: [],
         type: 'line',
         smooth: true,
         symbol: 'none',
-        markArea: {
-          itemStyle: {
-            color: 'rgba(255, 173, 177, 0)'
-          },
-          data: [
-            [
-              {
-                xAxis: '10:00'
-              },
-              {
-                xAxis: '10:05'
-              },
-              {
-                xAxis: '10:10'
-              },
-              {
-                xAxis: '10:15'
-              },
-              {
-                xAxis: '10:20'
-              },
-              {
-                xAxis: '10:25'
-              },
-              {
-                xAxis: '10:30'
-              },
-              {
-                xAxis: '10:35'
-              }
-            ]
-          ]
-        },
         lineStyle: {
           color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
             {