fix

controller/chart/chart_common.go

@@ -459,6 +459,7 @@ func getChartInfoDetailFromUniqueCode(chartInfo *chartInfoModel.ChartInfoView, m
 
 // GetLineFeatureChartInfoDetailFromUniqueCode 根据编码获取统计特征图表详情
 func getLineFeatureChartInfoDetailFromUniqueCode(chartInfo *chartInfoModel.ChartInfoView, myChartClassifyId int, userInfo user.UserInfo) (resp *chart_info.ChartInfoDetailResp, isOk bool, msg, errMsg string) {
+	resp = new(chart_info.ChartInfoDetailResp)
 	// 获取图表信息
 	var err error