From 2fbbbedadf998ada531c55c7eab3387a87eac5c7 Mon Sep 17 00:00:00 2001
From: hang <872297557@qq.com>
Date: Mon, 13 Jun 2022 14:46:35 +0800
Subject: [PATCH] =?UTF-8?q?=E8=B7=9F=E8=B8=AA=E6=9F=A5=E8=AF=A2?=
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---
 IRaCIS.Core.Application/Service/Allocation/VisitTaskService.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/IRaCIS.Core.Application/Service/Allocation/VisitTaskService.cs b/IRaCIS.Core.Application/Service/Allocation/VisitTaskService.cs
index b39d3ead9..24933c6de 100644
--- a/IRaCIS.Core.Application/Service/Allocation/VisitTaskService.cs
+++ b/IRaCIS.Core.Application/Service/Allocation/VisitTaskService.cs
@@ -408,7 +408,7 @@ namespace IRaCIS.Core.Application.Service
         [UnitOfWork]
         public async Task<IResponseOutput> AssignSubjectTaskToDoctor(AssignSubjectTaskToDoctorCommand assignSubjectTaskToDoctorCommand)
         {
-            var visitTask=  await _visitTaskRepository.FirstAsync(t => t.Id == assignSubjectTaskToDoctorCommand.Id);
+            var visitTask=  await _visitTaskRepository.FirstOrDefaultAsync(t => t.Id == assignSubjectTaskToDoctorCommand.Id);
 
             if (assignSubjectTaskToDoctorCommand.TaskOptType == TaskOptType.Assign || assignSubjectTaskToDoctorCommand.TaskOptType == TaskOptType.ReAssign)
             {