fix bugs

VUECODE/smart-property-manage/src/components/chart/chart2.vue

@@ -9,6 +9,11 @@ export default {
   props: [
     'data',
   ],
+  data () {
+    return {
+      chart: undefined,
+    }
+  },
   mounted() {
     this.rander()
   },
@@ -19,15 +24,20 @@ export default {
   },
   methods: {
     rander() {
-
       const _self = this
 
-      var chart = new G2.Chart({
-        container: 'node2',
-        forceFit: true,
-        height: 282,
-        padding: [40, 'auto', 'auto', 'auto']
-      })
+      if (this.chart) {
+        this.chart.clear();
+      } else {
+        this.chart = new G2.Chart({
+          container: 'node2',
+          forceFit: true,
+          height: 282,
+          padding: [40, 'auto', 'auto', 'auto']
+        })
+      }
+
+      const chart = this.chart;
 
       chart.source(this.data, {
         percent: {