增加 数据变化更新echart

src/components/EchartBox.vue

@@ -78,6 +78,13 @@ export default {
       echart: null
     };
   },
+  watch: {
+    options() {
+      this.$nextTick(() => {
+        this.initEchart();
+      });
+    }
+  },
   computed: {},
   created() {},
   mounted() {