diff --git a/IRaCIS.Core.Application/Service/Reading/Dto/ReadingImageTaskViewModel.cs b/IRaCIS.Core.Application/Service/Reading/Dto/ReadingImageTaskViewModel.cs
index d7b052aba..32fcbff68 100644
--- a/IRaCIS.Core.Application/Service/Reading/Dto/ReadingImageTaskViewModel.cs
+++ b/IRaCIS.Core.Application/Service/Reading/Dto/ReadingImageTaskViewModel.cs
@@ -506,6 +506,10 @@ namespace IRaCIS.Core.Application.Service.Reading.Dto
         public CriterionType CriterionType { get; set; }
     }
 
+    public class GetReportsChartSummaryOutDto
+    { 
+    }
+
     public class GetReportsChartDataInDto
     {
         public Guid VisitTaskId { get; set; }
diff --git a/IRaCIS.Core.Application/Service/ReadingCalculate/General/ReadingCalculateService.cs b/IRaCIS.Core.Application/Service/ReadingCalculate/General/ReadingCalculateService.cs
index 242cfe12f..c3ed1f835 100644
--- a/IRaCIS.Core.Application/Service/ReadingCalculate/General/ReadingCalculateService.cs
+++ b/IRaCIS.Core.Application/Service/ReadingCalculate/General/ReadingCalculateService.cs
@@ -432,8 +432,9 @@ namespace IRaCIS.Core.Application.Service.ReadingCalculate
         /// </summary>
         /// <param name="inDto"></param>
         /// <returns></returns>
-        public async Task GetReportsChartSummary(GetReportsChartSummaryInDto inDto)
+        public async Task<GetReportsChartSummaryOutDto> GetReportsChartSummary(GetReportsChartSummaryInDto inDto)
         {
+            var result= new GetReportsChartSummaryOutDto();
             var r1Data = await GetData(new List<Arm>() { Arm.SingleReadingArm, Arm.DoubleReadingArm1 });
             var r2Data = await GetData(new List<Arm>() { Arm.DoubleReadingArm2 });
             async Task<GetReadingReportEvaluationOutDto> GetData(List<Arm> arms)
@@ -457,6 +458,8 @@ namespace IRaCIS.Core.Application.Service.ReadingCalculate
                 return data;
             }
 
+            return result;
+
         }
 
         /// <summary>