fix

controllers/data_manage/chart_info.go

@@ -1430,7 +1430,7 @@ func (this *ChartInfoController) PreviewChartInfoDetail() {
 		err = json.Unmarshal([]byte(req.MarkersLines), &markerLines)
 		if err != nil {
 			br.Msg = "标识线配置异常"
-			br.ErrMsg = "标识线配置异常"
+			br.ErrMsg = "标识线配置异常"+err.Error()
 			return
 		}
 		for i := range markerLines {
@@ -1508,7 +1508,7 @@ func (this *ChartInfoController) PreviewChartInfoDetail() {
 		markerLineStr, err := json.Marshal(markerLines)
 		if err != nil {
 			br.Msg = "标识线配置异常"
-			br.ErrMsg = "标识线配置异常"
+			br.ErrMsg = "标识线配置异常" + err.Error()
 			return
 		}