Merge branch '13.1' into debug

controllers/chart_common.go

@@ -420,7 +420,7 @@ func (this *ChartController) CorrelationChartInfoRefresh() {
 	// 刷新相关性图表
 	if e := correlationServ.ChartInfoRefresh(chartInfo.ChartInfoId); e != nil {
 		br.Msg = "刷新失败"
-		br.ErrMsg = "刷新相关性图表失败, Err:" + err.Error()
+		br.ErrMsg = "刷新相关性图表失败, Err:" + e.Error()
 		return
 	}