refine

src/components/Charts/mixins/resize.js

@@ -1,6 +1,11 @@
 import { debounce } from '@/utils'
 
 export default {
+  data() {
+    return {
+      sidebarElm: null
+    }
+  },
   mounted() {
     this.__resizeHandler = debounce(() => {
       if (this.chart) {

src/views/dashboard/admin/components/LineChart.vue

@@ -32,7 +32,8 @@ export default {
   },
   data() {
     return {
-      chart: null
+      chart: null,
+      sidebarElm: null
     }
   },
   watch: {