[Client] Fix bug

src/client/app/admin/views/charts.vue

@@ -140,6 +140,10 @@ export default Vue.extend({
 		this.render();
 	},
 
+	beforeDestroy() {
+		this.chartInstance.destroy();
+	},
+
 	methods: {
 		setSrc(src) {
 			this.src = src;

src/client/app/admin/views/cpu-memory.vue

@@ -117,6 +117,9 @@ export default Vue.extend({
 	beforeDestroy() {
 		this.connection.off('stats', this.onStats);
 		this.connection.off('statsLog', this.onStatsLog);
+
+		this.cpuChart.destroy();
+		this.memChart.destroy();
 	},
 
 	methods: {