diff --git a/IRaCIS.Core.Application/Service/QC/DTO/QCListViewModel.cs b/IRaCIS.Core.Application/Service/QC/DTO/QCListViewModel.cs
index dd47abc68..82c491a75 100644
--- a/IRaCIS.Core.Application/Service/QC/DTO/QCListViewModel.cs
+++ b/IRaCIS.Core.Application/Service/QC/DTO/QCListViewModel.cs
@@ -1107,8 +1107,19 @@ namespace IRaCIS.Core.Application.Contracts
 
     }
 
+    public class GetNextCRCChallengeInDto
+    {
+		[NotDefault]
+		public Guid TrialId { get; set; }
 
-    public class ChallengeQuery : PageInput
+		/// <summary>
+		/// QCChallengeId
+		/// </summary>
+		public Guid QCChallengeId { get; set; }
+	}
+
+
+	public class ChallengeQuery : PageInput
     {
         [NotDefault]
         public Guid TrialId { get; set; }
diff --git a/IRaCIS.Core.Application/Service/QC/QCListService.cs b/IRaCIS.Core.Application/Service/QC/QCListService.cs
index 11c4b7e90..4bcae96ac 100644
--- a/IRaCIS.Core.Application/Service/QC/QCListService.cs
+++ b/IRaCIS.Core.Application/Service/QC/QCListService.cs
@@ -9,6 +9,7 @@ using IRaCIS.Application.Contracts;
 using IRaCIS.Core.Application.ViewModel;
 using IRaCIS.Core.Application.Service.Reading.Dto;
 using static Org.BouncyCastle.Math.EC.ECCurve;
+using IRaCIS.Core.Infrastructure;
 
 namespace IRaCIS.Core.Application.Image.QA
 {
@@ -87,14 +88,67 @@ namespace IRaCIS.Core.Application.Image.QA
 
         }
 
-
-
         /// <summary>
-        /// CRC 质疑列表
+        /// 获取下一个crc的未关闭的质疑
         /// </summary>
-        /// <param name="challengeQuery"></param>
+        /// <param name="inDto"></param>
         /// <returns></returns>
+        /// <exception cref="BusinessValidationFailedException"></exception>
         [HttpPost]
+        public async Task<QCCRCChallengeViewModel> GetNextCRCChallenge(GetNextCRCChallengeInDto inDto)
+        {
+            var list =await GetCRCChallengeList(new ChallengeQuery()
+            {
+                TrialId = inDto.TrialId,
+                PageIndex = 1,
+                PageSize = 9999
+            });
+
+
+            var data = list.Item1.CurrentPageData.Where(x=>x.Id==inDto.QCChallengeId||x.IsClosed==false).ToList();
+
+			if (data.Count > 0)
+			{
+
+				var index = data.ToList().FindIndex(x => x.Id == inDto.QCChallengeId);
+
+				var result = new QCCRCChallengeViewModel() { };
+
+				if (index + 1 == data.Count()) // 最后一个
+				{
+					throw new BusinessValidationFailedException(_localizer["QCList_CRCFinishChallenge"]);
+				}
+				else if (index == -1 || data.Count == 1) // 第一个或者只有一个
+				{
+					if (data[0].Id == inDto.QCChallengeId)
+					{
+						throw new BusinessValidationFailedException(_localizer["QCList_CRCFinishChallenge"]);
+					}
+					result = data[0];
+				}
+				else
+				{
+					result = data.Skip(index + 1).Take(1).First();
+
+				}
+				return result;
+
+			}
+			else
+			{
+				throw new BusinessValidationFailedException(_localizer["QCList_CRCFinishChallenge"]);
+			}
+
+		}
+
+
+
+		/// <summary>
+		/// CRC 质疑列表
+		/// </summary>
+		/// <param name="challengeQuery"></param>
+		/// <returns></returns>
+		[HttpPost]
         public async Task<(PageOutput<QCCRCChallengeViewModel>, TrialSubjectAndSVConfig)> GetCRCChallengeList(ChallengeQuery challengeQuery)
         {
 
@@ -117,7 +171,7 @@ namespace IRaCIS.Core.Application.Image.QA
                 .WhereIf(_userInfo.UserTypeEnumInt == (int)UserTypeEnum.ClinicalResearchCoordinator || _userInfo.UserTypeEnumInt == (int)UserTypeEnum.CRA, t => t.SubjectVisit.TrialSite.CRCUserList.Any(t => t.UserId == _userInfo.Id))
               .ProjectTo<QCCRCChallengeViewModel>(_mapper.ConfigurationProvider);
 
-            var pageList = await query2.ToPagedListAsync(challengeQuery.PageIndex, challengeQuery.PageSize, challengeQuery.SortField, challengeQuery.Asc, string.IsNullOrWhiteSpace(challengeQuery.SortField), new string[] { "IsUrgent desc", "IsClosed asc" });
+            var pageList = await query2.ToPagedListAsync(challengeQuery.PageIndex, challengeQuery.PageSize, challengeQuery.SortField, challengeQuery.Asc, string.IsNullOrWhiteSpace(challengeQuery.SortField), new string[] { "IsUrgent desc", "CreateTime asc" });
 
             var config = await _repository.Where<Trial>(t => t.Id == challengeQuery.TrialId).ProjectTo<TrialSubjectAndSVConfig>(_mapper.ConfigurationProvider).FirstOrDefaultAsync().IfNullThrowException();
             return (pageList, config);