diff --git a/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingImageTaskService.cs b/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingImageTaskService.cs
index cb656e350..acb3374fc 100644
--- a/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingImageTaskService.cs
+++ b/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingImageTaskService.cs
@@ -37,6 +37,7 @@ namespace IRaCIS.Application.Services
         private readonly IRepository<Subject> _subjectRepository;
         private readonly IRepository<ReadingGlobalTaskInfo> _readingGlobalTaskInfoRepository;
         private readonly IRepository<ReadingCriterionPage> _readingCriterionPageRepository;
+        private readonly IRepository<ReadingTaskRelation> _readingTaskRelationRepository;
         private readonly IRepository<ReadingJudgeInfo> _readingJudgeInfoRepository;
         private readonly IRepository<ReadModule> _readModuleRepository;
         private readonly IRepository<DicomInstance> _dicomInstanceRepository;
@@ -72,6 +73,7 @@ namespace IRaCIS.Application.Services
                   IRepository<Subject> subjectRepository,
                   IRepository<ReadingGlobalTaskInfo> readingGlobalTaskInfoRepository,
                   IRepository<ReadingCriterionPage> readingCriterionPageRepository,
+                   IRepository<ReadingTaskRelation> readingTaskRelationRepository,
                   IRepository<ReadingJudgeInfo> readingJudgeInfoRepository,
                   IRepository<ReadModule> readModuleRepository,
                   IRepository<DicomInstance> dicomInstanceRepository,
@@ -105,6 +107,7 @@ namespace IRaCIS.Application.Services
             this._subjectRepository = subjectRepository;
             this._readingGlobalTaskInfoRepository = readingGlobalTaskInfoRepository;
             this._readingCriterionPageRepository = readingCriterionPageRepository;
+            this._readingTaskRelationRepository = readingTaskRelationRepository;
             this._readingJudgeInfoRepository = readingJudgeInfoRepository;
             this._readModuleRepository = readModuleRepository;
             this._dicomInstanceRepository = dicomInstanceRepository;
@@ -124,6 +127,73 @@ namespace IRaCIS.Application.Services
             this._trialEmailNoticeConfigService = trialEmailNoticeConfigService;
         }
 
+        /// <summary>
+        /// 维护任务关系
+        /// </summary>
+        /// <returns></returns>
+        public async Task MaintainTaskRelated()
+        {
+            List<ReadingTaskRelation> relations = new List<ReadingTaskRelation>();
+            var visitList = await _visitTaskRepository.Where(x => x.PastResultTaskIds != "[]" && x.RelatedVisitTaskIds != "[]").Select(x => new
+            {
+                x.Id,
+                x.RelatedVisitTaskIds,
+                x.PastResultTaskIds
+            }).ToListAsync();
+
+
+            List<Guid> relatedIds = new List<Guid>();
+
+            List<Guid> PastResultds = new List<Guid>();
+
+            foreach (var item in visitList)
+            {
+                try
+                {
+                    PastResultds = JsonConvert.DeserializeObject<List<Guid>>(item.PastResultTaskIds) ?? new List<Guid>();
+                }
+                catch (Exception)
+                {
+
+                    PastResultds = new List<Guid>();
+                }
+
+                try
+                {
+                    relatedIds = JsonConvert.DeserializeObject<List<Guid>>(item.RelatedVisitTaskIds)?? new List<Guid>();
+                }
+                catch (Exception)
+                {
+
+                    relatedIds = new List<Guid>();
+                }
+
+                relations.AddRange(PastResultds.Select(x => new ReadingTaskRelation()
+                {
+
+                    RelevanceTaskId = x,
+                    TaskId = item.Id,
+                    RelevanceType = RelevanceType.PastResult,
+                }));
+
+                relations.AddRange(relatedIds.Select(x => new ReadingTaskRelation()
+                {
+
+                    RelevanceTaskId = x,
+                    TaskId = item.Id,
+                    RelevanceType = RelevanceType.Related,
+                }));
+
+                await _readingTaskRelationRepository.BatchDeleteNoTrackingAsync(x => x.TaskId == item.Id);
+
+            }
+
+            await _readingTaskRelationRepository.AddRangeAsync(relations);
+            await _readingTaskRelationRepository.SaveChangesAsync();
+        }
+
+
+
         /// <summary>
         /// 修改计算问题
         /// </summary>
@@ -2026,10 +2096,27 @@ namespace IRaCIS.Application.Services
             await _visitTaskRepository.UpdatePartialFromQueryAsync(taskInfo.Id, x => new VisitTask()
             {
 
+               
+
                 PastResultTaskIds = JsonConvert.SerializeObject(pastResultTaskIdList),
                 RelatedVisitTaskIds = JsonConvert.SerializeObject(relatedVisitTaskIdList),
             });
 
+            await _readingTaskRelationRepository.AddRangeAsync(pastResultTaskIdList.Select(x => new ReadingTaskRelation()
+            {
+                RelevanceTaskId = x,
+                TaskId = visitTaskId,
+                RelevanceType = RelevanceType.PastResult,
+            }));
+
+            await _readingTaskRelationRepository.AddRangeAsync(relatedVisitTaskIdList.Select(x => new ReadingTaskRelation()
+            {
+                RelevanceTaskId = x,
+                TaskId = visitTaskId,
+                RelevanceType = RelevanceType.Related,
+            }));
+
+
             await _visitTaskRepository.SaveChangesAsync();
         }
 
diff --git a/IRaCIS.Core.Domain.Share/Reading/ReadEnum.cs b/IRaCIS.Core.Domain.Share/Reading/ReadEnum.cs
index 99bc6ab4b..68ce0112c 100644
--- a/IRaCIS.Core.Domain.Share/Reading/ReadEnum.cs
+++ b/IRaCIS.Core.Domain.Share/Reading/ReadEnum.cs
@@ -16,6 +16,20 @@ namespace IRaCIS.Core.Domain.Share
         public static readonly string Group = "group";
     }
 
+
+    public enum RelevanceType
+    {
+        /// <summary>
+        /// 关联的访视任务ID (当前任务是访视任务的话会有自己)集合
+        /// </summary>
+        Related = 0,
+
+        /// <summary>
+        /// 既往任务Id  不包括自己
+        /// </summary>
+        PastResult = 0,
+    }
+
     /// <summary>
     /// 数据来源
     /// </summary>
diff --git a/IRaCIS.Core.Domain/Reading/ReadingFormAnswer/ReadingTaskRelation.cs b/IRaCIS.Core.Domain/Reading/ReadingFormAnswer/ReadingTaskRelation.cs
new file mode 100644
index 000000000..85838f8c4
--- /dev/null
+++ b/IRaCIS.Core.Domain/Reading/ReadingFormAnswer/ReadingTaskRelation.cs
@@ -0,0 +1,46 @@
+
+//--------------------------------------------------------------------
+//     此代码由T4模板自动生成  byzhouhang 20210918
+//	   生成时间 2023-02-03 09:43:09 
+//     对此文件的更改可能会导致不正确的行为，并且如果重新生成代码，这些更改将会丢失。
+using System;
+using IRaCIS.Core.Domain.Share;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+namespace IRaCIS.Core.Domain.Models
+{
+	 ///<summary>
+	 ///任务关系表
+	 ///</summary>
+	 [Table("ReadingTaskRelation")]	
+	 public class ReadingTaskRelation : Entity, IAuditAdd
+	 {
+		/// <summary>
+        /// 任务ID
+        /// </summary>
+		public Guid TaskId { get; set; }
+	
+		/// <summary>
+        /// 关联的任务ID
+        /// </summary>
+		public Guid RelevanceTaskId { get; set; }
+
+		/// <summary>
+		/// 类型具体解释 看枚举
+		/// </summary>
+		public RelevanceType RelevanceType { get; set; }
+	
+		/// <summary>
+        /// CreateTime
+        /// </summary>
+		public DateTime CreateTime { get; set; }
+	
+		/// <summary>
+        /// CreateUserId
+        /// </summary>
+		public Guid CreateUserId { get; set; }
+	 
+	 }
+
+	
+}	 
diff --git a/IRaCIS.Core.Infra.EFCore/Context/IRaCISDBContext.cs b/IRaCIS.Core.Infra.EFCore/Context/IRaCISDBContext.cs
index e8f53b7c1..a3f341c8e 100644
--- a/IRaCIS.Core.Infra.EFCore/Context/IRaCISDBContext.cs
+++ b/IRaCIS.Core.Infra.EFCore/Context/IRaCISDBContext.cs
@@ -209,6 +209,8 @@ namespace IRaCIS.Core.Infra.EFCore
 
 
         #region Reading
+
+        public virtual DbSet<ReadingTaskRelation> ReadingTaskRelation { get; set; }
         public virtual DbSet<OrganInfo> OrganInfo { get; set; }
 
         public virtual DbSet<ReadingCriterionDictionary> ReadingCriterionDictionary { get; set; }
diff --git a/IRaCIS.Core.Test/DbHelper.ttinclude b/IRaCIS.Core.Test/DbHelper.ttinclude
index 94175bd75..d6d3ddf59 100644
--- a/IRaCIS.Core.Test/DbHelper.ttinclude
+++ b/IRaCIS.Core.Test/DbHelper.ttinclude
@@ -4,7 +4,7 @@
         public static readonly string ConnectionString = "Server=123.56.94.154,1433\\MSSQLSERVER;Database=IRaCIS_New_Tet;User ID=sa;Password=dev123456DEV;TrustServerCertificate=true";
         public static readonly string DbDatabase = "IRaCIS_New_Tet";
         //���������ַ���,ƴ��
-        public static readonly string TableName = "TrialClinicalDataSetCriterion";
+        public static readonly string TableName = "ReadingTaskRelation";
         //�����ļ�����  ����service ���������Ƿ��ҳ
 	}
 #>