diff --git a/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingGlobalTaskService.cs b/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingGlobalTaskService.cs
index 499dae0f4..d44a0f8ea 100644
--- a/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingGlobalTaskService.cs
+++ b/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingGlobalTaskService.cs
@@ -11,6 +11,8 @@ using Newtonsoft.Json;
 using IRaCIS.Core.Application.Service;
 using IRaCIS.Core.Application.ViewModel;
 using IRaCIS.Core.Application.Filter;
+using System.Linq.Dynamic.Core;
+using NPOI.SS.Formula.Functions;
 
 namespace IRaCIS.Application.Services
 {
@@ -164,9 +166,15 @@ namespace IRaCIS.Application.Services
                 ReadingTaskState = taskInfo.ReadingTaskState,
 
             };
-            result.OtherGlobalTaskId = await _visitTaskRepository.Where(x => x.SouceReadModuleId == taskInfo.SouceReadModuleId && x.IsAnalysisCreate == taskInfo.IsAnalysisCreate
+           
+                
+              var otherGlobalTask =  await _visitTaskRepository.Where(x => x.SouceReadModuleId == taskInfo.SouceReadModuleId && x.IsAnalysisCreate == taskInfo.IsAnalysisCreate
               && x.IsSelfAnalysis == taskInfo.IsSelfAnalysis && x.TaskState == TaskState.Effect && x.DoctorUserId != taskInfo.DoctorUserId
-            ).Select(x => x.Id).FirstOrDefaultAsync();
+            ).FirstOrDefaultAsync();
+            if (otherGlobalTask != null)
+            {
+                result.OtherGlobalTaskId = otherGlobalTask.Id;
+			}
 
             result.TaskBlindName = taskInfo.TaskBlindName;
             if (taskInfo.IsAnalysisCreate)