进入图表界面时不渲染旧数据

src/models/chart.js

@@ -258,7 +258,8 @@ export default {
                     let otherConfig = JSON.parse(resData.otherConfig || '{}');
                     let viewType = CHART_TYPE[resData.chartType];
                     let filters = JSON.parse(resData.filters || '[]');
-                    let chartOption = JSON.parse(resData.chartOption || '{}');
+                    // let chartOption = JSON.parse(resData.chartOption || '{}');
+                    let chartOption = {};
 
                     let data = {
                         code: resData.chartId + '',