fix

src/plugins/chart/BarChart.js

@@ -0,0 +1,13 @@
+import { Bar, mixins } from 'vue-chartjs'
+const { reactiveProp } = mixins
+
+export default {
+  extends: Bar,
+  mixins: [reactiveProp],
+  props: ['options'],
+  mounted () {
+    // this.chartData is created in the mixin.
+    // If you want to pass options please create a local options object
+    this.renderChart(this.chartData, this.options)
+  }
+}