diff --git a/YD_Event.Application/Client/CheckinAdminController.cs b/YD_Event.Application/Client/CheckinAdminController.cs
index a9953f2..0c3777e 100644
--- a/YD_Event.Application/Client/CheckinAdminController.cs
+++ b/YD_Event.Application/Client/CheckinAdminController.cs
@@ -1,6 +1,7 @@
 using System.Text.RegularExpressions;
 using YD_Event.Application.Auth;
 using YD_Event.Application.Client.Dtos;
+using YD_Event.Application.Event;
 
 namespace YD_Event.Application.Client;
 
@@ -194,13 +195,21 @@ public class CheckinAdminController : IDynamicApiController
 
         if (task == null)
         {
-            task = new CheckinTask
+            // 兼容历史解绑数据：旧逻辑只禁用了任务，但唯一索引仍将其视为占用。
+            // 同一赛事、同一检次存在已停用任务时直接复用该任务槽位，避免再次插入触发唯一索引冲突。
+            task = await _taskRepository.GetFirstAsync(x =>
+                x.EventId == input.EventId && x.CheckinNo == input.CheckinNo && !x.DeleteMark);
+            if (task == null)
             {
-                EventId = input.EventId,
-                CheckerUserId = checker.Id,
-                CreatedUserId = managerUserId,
-                CreatedTime = DateTime.Now
-            };
+                task = new CheckinTask
+                {
+                    EventId = input.EventId,
+                    CreatedUserId = managerUserId,
+                    CreatedTime = DateTime.Now
+                };
+            }
+
+            task.CheckerUserId = checker.Id;
         }
 
         ApplyCheckinAssignment(task, input.CheckinNo, assignedNumbers.Count, input.Venue);
@@ -230,6 +239,11 @@ public class CheckinAdminController : IDynamicApiController
         EnsureManager();
         var task = await _taskRepository.GetFirstAsync(x => x.Id == input.TaskId && !x.DeleteMark);
         if (task == null) throw Oops.Bah("检录任务不存在");
+        var eventInfo = await _eventRepository.GetFirstAsync(x => x.Id == task.EventId && !x.DeleteMark);
+        if (eventInfo == null) throw Oops.Bah("赛事不存在");
+        var eventStatus = GetEffectiveEventStatus(eventInfo, DateTime.Now);
+        if (eventStatus == EventStatus.Ongoing) throw Oops.Bah("赛事比赛中，不支持解除检录员绑定");
+
         var laterExists = await _taskRepository.IsAnyAsync(x =>
             x.EventId == task.EventId && x.CheckinNo > task.CheckinNo && x.TaskStatus == 1 &&
             x.Status == AvailabilityStatus.Enable && !x.DeleteMark);
@@ -237,6 +251,7 @@ public class CheckinAdminController : IDynamicApiController
 
         task.TaskStatus = 0;
         task.Status = AvailabilityStatus.Disable;
+        task.DeleteMark = true;
         task.UpdatedUserId = _authManager.UserId;
         task.UpdatedTime = DateTime.Now;
         await _taskRepository.UpdateAsync(task);
@@ -320,10 +335,13 @@ public class CheckinAdminController : IDynamicApiController
                 .ToList();
             if (occupiedEventIds.Count > 0)
             {
-                var occupiedEvent = await _eventRepository.AsQueryable()
-                    .Where(x => occupiedEventIds.Contains(x.Id) && !x.DeleteMark &&
-                                x.EventStatus != EventStatus.Ended)
-                    .FirstAsync();
+                var occupiedEvents = await _eventRepository.AsQueryable()
+                    .Where(x => occupiedEventIds.Contains(x.Id) &&
+                                x.Status == AvailabilityStatus.Enable && !x.DeleteMark)
+                    .ToListAsync();
+                var now = DateTime.Now;
+                var occupiedEvent = occupiedEvents.FirstOrDefault(x =>
+                    GetEffectiveEventStatus(x, now) != EventStatus.Ended);
                 if (occupiedEvent != null)
                 {
                     return new CheckerAccountAvailabilityDto
@@ -378,6 +396,21 @@ public class CheckinAdminController : IDynamicApiController
         task.Venue = venue?.Trim();
     }
 
+    /// <summary>
+    /// 统一检录管理使用的赛事状态口径。后台状态与比赛时间不一致时按生命周期靠后的状态处理，
+    /// 避免状态同步延迟导致比赛中仍可解绑，或赛事结束后账号未及时释放。
+    /// </summary>
+    private static EventStatus GetEffectiveEventStatus(EventInfo eventInfo, DateTime now)
+    {
+        var calculatedStatus = EventStatusUpdateService.CalculateEventStatus(eventInfo, now);
+        if (calculatedStatus == EventStatus.Ended || eventInfo.EventStatus == EventStatus.Ended)
+            return EventStatus.Ended;
+        if (calculatedStatus == EventStatus.Ongoing || eventInfo.EventStatus == EventStatus.Ongoing)
+            return EventStatus.Ongoing;
+
+        return calculatedStatus;
+    }
+
     private static string ToCheckinName(int checkinNo) => checkinNo switch
     {
         1 => "一检",
diff --git a/YD_Event.Application/Client/RefereeController.cs b/YD_Event.Application/Client/RefereeController.cs
index 1d89785..1ae4aa6 100644
--- a/YD_Event.Application/Client/RefereeController.cs
+++ b/YD_Event.Application/Client/RefereeController.cs
@@ -1,6 +1,7 @@
 using EasyCaching.Core;
 using YD_Event.Application.Auth;
 using YD_Event.Application.Client.Dtos;
+using YD_Event.Application.Event;
 
 namespace YD_Event.Application.Client;
 
@@ -190,7 +191,7 @@ public class RefereeController : IDynamicApiController
     {
         var userId = await EnsureRefereeAsync();
         var applications = await _applicationRepository.AsQueryable()
-            .Where(x => x.RefereeUserId == userId && x.Status == AvailabilityStatus.Enable)
+            .Where(x => x.RefereeUserId == userId && x.Status == AvailabilityStatus.Enable && !x.DeleteMark)
             .OrderByDescending(x => x.CreatedTime)
             .ToListAsync();
 
@@ -229,20 +230,29 @@ public class RefereeController : IDynamicApiController
     public async Task<object> Apply([FromBody] RefereeApplyInput input)
     {
         var userId = await EnsureRefereeAsync();
-        var evt = await _eventRepository.GetFirstAsync(x => x.Id == input.EventId && x.Status == AvailabilityStatus.Enable);
+        var evt = await _eventRepository.GetFirstAsync(x =>
+            x.Id == input.EventId && x.Status == AvailabilityStatus.Enable && !x.DeleteMark);
         if (evt == null) throw Oops.Bah("赛事不存在");
-        if (evt.EventStatus != EventStatus.Enrolling) throw Oops.Bah("当前赛事不在执裁报名时间内");
+        if (GetEffectiveEventStatus(evt) != EventStatus.Enrolling)
+            throw Oops.Bah("当前赛事不在执裁报名时间内");
 
-        var exists = await _applicationRepository.IsAnyAsync(x =>
-            x.EventId == input.EventId && x.RefereeUserId == userId && x.ApplicationStatus != 4);
-        if (exists) throw Oops.Bah("已报名执裁当前赛事");
-
-        var referee = await _refereeRepository.GetFirstAsync(x => x.AppUserId == userId && !x.DeleteMark);
+        // 同一裁判的报名请求必须串行化，否则并发报名两场重叠赛事时，
+        // 两个事务可能都在对方写入前通过撞期校验。锁顺序固定为：裁判 -> 赛事名额。
+        var referee = await _refereeRepository.AsQueryable()
+            .With("UPDLOCK, HOLDLOCK")
+            .Where(x => x.AppUserId == userId && !x.DeleteMark)
+            .FirstAsync();
         if (referee == null) throw Oops.Bah("裁判档案不存在，请先完善裁判资料");
         if (referee.AuditStatus != AuditStatus.Pass) throw Oops.Bah("裁判认证尚未通过审核，暂不能报名执裁");
 
-        var quota = await BuildQuotaAsync(evt, userId);
-        if (quota.IsFull) throw Oops.Bah("当前赛事裁判报名名额已满");
+        var exists = await _applicationRepository.IsAnyAsync(x =>
+            x.EventId == input.EventId && x.RefereeUserId == userId &&
+            (x.ApplicationStatus == 1 || x.ApplicationStatus == 2) &&
+            x.Status == AvailabilityStatus.Enable && !x.DeleteMark);
+        if (exists) throw Oops.Bah("已报名执裁当前赛事");
+
+        var quota = await BuildQuotaAsync(evt, userId, true, referee.Id);
+        if (!quota.CanApply) throw Oops.Bah(quota.Message);
 
         var application = new RefereeApplication
         {
@@ -257,7 +267,8 @@ public class RefereeController : IDynamicApiController
         };
         await _applicationRepository.InsertAsync(application);
 
-        if (!await _eventRefereeRepository.IsAnyAsync(x => x.EventId == input.EventId && x.RefereeId == referee.Id))
+        if (!await _eventRefereeRepository.IsAnyAsync(x =>
+                x.EventId == input.EventId && x.RefereeId == referee.Id && !x.DeleteMark))
         {
             await _eventRefereeRepository.InsertAsync(new EventReferee
             {
@@ -278,23 +289,40 @@ public class RefereeController : IDynamicApiController
     /// <summary>
     /// 报名名额按赛事报名限制中的裁判限报数量控制，为 0 时不限名额。
     /// </summary>
-    private async Task<RefereeQuotaDto> BuildQuotaAsync(EventInfo evt, long userId)
+    private async Task<RefereeQuotaDto> BuildQuotaAsync(
+        EventInfo evt, long userId, bool lockForUpdate = false, long? refereeId = null)
     {
         var limit = await _limitRepository.GetFirstAsync(x => x.EventId == evt.Id && !x.DeleteMark);
         var max = limit?.RefereeLimit ?? 0;
-        var applied = await _applicationRepository.AsQueryable()
-            .Where(x => x.EventId == evt.Id && x.ApplicationStatus != 4 && x.Status == AvailabilityStatus.Enable)
-            .CountAsync();
-        var appliedByMe = await _applicationRepository.IsAnyAsync(x =>
-            x.EventId == evt.Id && x.RefereeUserId == userId && x.ApplicationStatus != 4);
+        var applicationsQuery = _applicationRepository.AsQueryable();
+        if (lockForUpdate)
+        {
+            // Apply 由 UnitOfWork 包裹。更新锁和范围锁会把同一赛事的“统计名额并新增报名”串行化，
+            // 防止最后一个名额被并发请求同时占用。
+            applicationsQuery = applicationsQuery.With("UPDLOCK, HOLDLOCK");
+        }
+
+        var activeApplications = await applicationsQuery
+            .Where(x => x.EventId == evt.Id &&
+                        (x.ApplicationStatus == 1 || x.ApplicationStatus == 2) &&
+                        x.Status == AvailabilityStatus.Enable && !x.DeleteMark)
+            .Select(x => new { x.Id, x.RefereeUserId })
+            .ToListAsync();
+        var applied = activeApplications.Count;
+        var appliedByMe = activeApplications.Any(x => x.RefereeUserId == userId);
+        var conflictingEvent = appliedByMe
+            ? null
+            : await GetConflictingCommittedEventAsync(userId, refereeId, evt);
 
         var isFull = max > 0 && applied >= max && !appliedByMe;
-        var canApply = evt.EventStatus == EventStatus.Enrolling && !isFull && !appliedByMe;
+        var eventStatus = GetEffectiveEventStatus(evt);
+        var canApply = eventStatus == EventStatus.Enrolling && !isFull && !appliedByMe && conflictingEvent == null;
 
         string message;
         if (appliedByMe) message = "已报名执裁当前赛事";
         else if (isFull) message = "当前赛事裁判报名名额已满";
-        else if (evt.EventStatus != EventStatus.Enrolling) message = "当前赛事不在执裁报名时间内";
+        else if (eventStatus != EventStatus.Enrolling) message = "当前赛事不在执裁报名时间内";
+        else if (conflictingEvent != null) message = BuildTimeConflictMessage(conflictingEvent, evt);
         else message = max > 0 ? $"裁判名额未满，剩余{max - applied}个" : "裁判名额未满";
 
         return new RefereeQuotaDto
@@ -311,6 +339,64 @@ public class RefereeController : IDynamicApiController
         };
     }
 
+    /// <summary>
+    /// 查找当前裁判已报名、后台添加或秩序册导入，且执裁时间与目标赛事重叠的赛事。
+    /// 时间区间按左闭右开处理，相邻赛事首尾时间相等时不视为冲突。
+    /// </summary>
+    private async Task<EventInfo?> GetConflictingCommittedEventAsync(
+        long userId, long? refereeId, EventInfo targetEvent)
+    {
+        var appliedEventIds = await _applicationRepository.AsQueryable()
+            .Where(x => x.RefereeUserId == userId && x.EventId != targetEvent.Id &&
+                        (x.ApplicationStatus == 1 || x.ApplicationStatus == 2) &&
+                        x.Status == AvailabilityStatus.Enable && !x.DeleteMark)
+            .Select(x => x.EventId)
+            .Distinct()
+            .ToListAsync();
+
+        if (!refereeId.HasValue)
+        {
+            refereeId = (await _refereeRepository.GetFirstAsync(x =>
+                x.AppUserId == userId && !x.DeleteMark))?.Id;
+        }
+
+        if (refereeId.HasValue)
+        {
+            var relatedEventIds = await _eventRefereeRepository.AsQueryable()
+                .Where(x => x.RefereeId == refereeId.Value && x.EventId != targetEvent.Id && !x.DeleteMark)
+                .Select(x => x.EventId)
+                .Distinct()
+                .ToListAsync();
+            appliedEventIds = appliedEventIds.Concat(relatedEventIds).Distinct().ToList();
+        }
+
+        if (appliedEventIds.Count == 0) return null;
+
+        return await _eventRepository.AsQueryable()
+            .Where(x => appliedEventIds.Contains(x.Id) && x.Status == AvailabilityStatus.Enable && !x.DeleteMark &&
+                        x.MatchStartTime < targetEvent.MatchEndTime &&
+                        x.MatchEndTime > targetEvent.MatchStartTime)
+            .OrderBy(x => x.MatchStartTime)
+            .FirstAsync();
+    }
+
+    private static string BuildTimeConflictMessage(EventInfo appliedEvent, EventInfo targetEvent) =>
+        $"您已参与执裁：\n{appliedEvent.EventName}\n{FormatMatchPeriod(appliedEvent)}\n\n" +
+        $"当前赛事执裁时间：\n{FormatMatchPeriod(targetEvent)}\n\n" +
+        "执裁时间存在重叠，暂无法报名。";
+
+    private static string FormatMatchPeriod(EventInfo evt)
+    {
+        var start = evt.MatchStartTime;
+        var end = evt.MatchEndTime;
+        return start.Date == end.Date
+            ? $"{start:M月d日 HH:mm}-{end:HH:mm}"
+            : $"{start:M月d日 HH:mm}-{end:M月d日 HH:mm}";
+    }
+
+    private static EventStatus GetEffectiveEventStatus(EventInfo evt) =>
+        EventStatusUpdateService.CalculateEventStatus(evt, DateTime.Now);
+
     private async Task VerifyCodeAsync(string mobile, string? code)
     {
         if (string.IsNullOrWhiteSpace(code)) throw Oops.Bah("请输入验证码");
@@ -321,7 +407,8 @@ public class RefereeController : IDynamicApiController
     private async Task<long> EnsureRefereeAsync()
     {
         var userId = _authManager.UserId;
-        var user = await _userRepository.GetFirstAsync(x => x.Id == userId);
+        var user = await _userRepository.GetFirstAsync(x =>
+            x.Id == userId && x.Status == AvailabilityStatus.Enable && !x.DeleteMark);
         if (user == null) throw Oops.Bah("用户不存在");
         if (user.MiniProgramRole != MiniProgramRole.Referee) throw Oops.Bah("当前账号不是裁判身份");
         return userId;
diff --git a/YD_Event.Application/Judge/JudgeScoringController.cs b/YD_Event.Application/Judge/JudgeScoringController.cs
index 856981c..b5bf8d1 100644
--- a/YD_Event.Application/Judge/JudgeScoringController.cs
+++ b/YD_Event.Application/Judge/JudgeScoringController.cs
@@ -1,5 +1,6 @@
 using YD_Event.Application.Auth;
 using YD_Event.Application.Common;
+using YD_Event.Application.Event;
 using YD_Event.Application.Scoring.Dtos;
 using System.Text.RegularExpressions;
 
@@ -101,27 +102,64 @@ public class JudgeScoringController : IDynamicApiController
     {
         var referee = await EnsureRefereeAsync();
         var assignments = await _assignmentRepository.AsQueryable()
-            .Where(x => x.RefereeId == referee.Id && x.AssignmentStatus == 1)
+            .Where(x => x.RefereeId == referee.Id && x.AssignmentStatus == 1 &&
+                        x.Status == AvailabilityStatus.Enable && !x.DeleteMark)
             .WhereIF(eventId.HasValue, x => x.EventId == eventId!.Value)
             .ToListAsync();
         if (assignments.Count == 0) return new List<JudgeSessionDto>();
 
         var sessionIds = assignments.Select(x => x.SessionId).Distinct().ToList();
         var sessions = await _sessionRepository.AsQueryable()
-            .Where(x => sessionIds.Contains(x.Id) && x.SessionStatus != 90).ToListAsync();
+            .Where(x => sessionIds.Contains(x.Id) && x.SessionStatus != 90 &&
+                        x.Status == AvailabilityStatus.Enable && !x.DeleteMark)
+            .ToListAsync();
         if (sessions.Count == 0) return new List<JudgeSessionDto>();
 
         var eventIds = sessions.Select(x => x.EventId).Distinct().ToList();
-        var events = (await _eventRepository.AsQueryable().Where(x => eventIds.Contains(x.Id)).ToListAsync())
+        var events = (await _eventRepository.AsQueryable()
+                .Where(x => eventIds.Contains(x.Id) && x.Status == AvailabilityStatus.Enable && !x.DeleteMark)
+                .ToListAsync())
             .ToDictionary(x => x.Id);
+        var now = DateTime.Now;
+        EventInfo targetEvent;
+        if (eventId.HasValue)
+        {
+            targetEvent = events.GetValueOrDefault(eventId.Value);
+        }
+        else
+        {
+            targetEvent = events.Values
+                .Where(x => GetEffectiveEventStatus(x, now) == EventStatus.Ongoing)
+                .OrderBy(x => x.MatchStartTime)
+                .ThenBy(x => x.Id)
+                .FirstOrDefault()
+                ?? events.Values
+                    .Where(x => GetEffectiveEventStatus(x, now) != EventStatus.Ended &&
+                                x.MatchStartTime > now)
+                    .OrderBy(x => x.MatchStartTime)
+                    .ThenBy(x => x.Id)
+                    .FirstOrDefault();
+        }
+
+        if (targetEvent == null) return new List<JudgeSessionDto>();
+
+        sessions = sessions.Where(x => x.EventId == targetEvent.Id).ToList();
+        assignments = assignments.Where(x => x.EventId == targetEvent.Id).ToList();
+        sessionIds = sessions.Select(x => x.Id).ToList();
+
         var venues = (await _venueRepository.AsQueryable()
-            .Where(x => sessions.Select(s => s.VenueId).Contains(x.Id)).ToListAsync()).ToDictionary(x => x.Id);
+            .Where(x => sessions.Select(s => s.VenueId).Contains(x.Id) &&
+                        x.Status == AvailabilityStatus.Enable && !x.DeleteMark)
+            .ToListAsync()).ToDictionary(x => x.Id);
         var eventProjects = (await _eventProjectRepository.AsQueryable()
-            .Where(x => sessions.Select(s => s.EventProjectId).Contains(x.Id)).ToListAsync()).ToDictionary(x => x.Id);
+            .Where(x => sessions.Select(s => s.EventProjectId).Contains(x.Id) && !x.DeleteMark)
+            .ToListAsync()).ToDictionary(x => x.Id);
         var projects = (await _projectRepository.AsQueryable()
-            .Where(x => eventProjects.Values.Select(e => e.ProjectId).Contains(x.Id)).ToListAsync()).ToDictionary(x => x.Id);
+            .Where(x => eventProjects.Values.Select(e => e.ProjectId).Contains(x.Id) && !x.DeleteMark)
+            .ToListAsync()).ToDictionary(x => x.Id);
         var rules = (await _ruleRepository.AsQueryable()
-            .Where(x => sessions.Select(s => s.ScoreRuleId).Contains(x.Id)).ToListAsync()).ToDictionary(x => x.Id);
+            .Where(x => sessions.Select(s => s.ScoreRuleId).Contains(x.Id) && !x.DeleteMark)
+            .ToListAsync()).ToDictionary(x => x.Id);
 
         sessions = sessions
             .OrderBy(x => eventProjects.TryGetValue(x.EventProjectId, out var eventProject)
@@ -131,15 +169,20 @@ public class JudgeScoringController : IDynamicApiController
             .ThenBy(x => eventProjects.TryGetValue(x.EventProjectId, out var eventProject)
                 ? eventProject.ProjectId
                 : long.MaxValue)
-            .ThenBy(x => x.StartTime ?? DateTime.MaxValue)
+            .ThenBy(x => GetArrangementSequence(x.SessionNo))
+            .ThenBy(x => venues.TryGetValue(x.VenueId, out var venue) ? venue.Sort : int.MaxValue)
             .ThenBy(x => x.SessionNo)
+            .ThenBy(x => x.Id)
             .ToList();
 
         var entries = await _entryRepository.AsQueryable()
-            .Where(x => sessionIds.Contains(x.SessionId) && !x.IsVoided).ToListAsync();
+            .Where(x => sessionIds.Contains(x.SessionId) && !x.IsVoided &&
+                        x.Status == AvailabilityStatus.Enable && !x.DeleteMark)
+            .ToListAsync();
         var mySheets = await _sheetRepository.AsQueryable()
             .Where(x => sessionIds.Contains(x.SessionId) && x.RefereeId == referee.Id
-                && x.IsCurrent && x.SheetStatus >= EventScoreCalculationService.SheetStatusSubmitted).ToListAsync();
+                && x.IsCurrent && !x.DeleteMark
+                && x.SheetStatus >= EventScoreCalculationService.SheetStatusSubmitted).ToListAsync();
 
         var rows = new List<JudgeSessionDto>();
         foreach (var session in sessions)
@@ -286,7 +329,9 @@ public class JudgeScoringController : IDynamicApiController
             : await _detailRepository.GetListAsync(x => x.ScoreSheetId == source.Id);
         var inputs = details.Select(x => new ScoreItemInputValue
         {
-            ItemCode = x.ItemCode, InputValue = x.InputValue, CountValue = x.CountValue
+            ItemCode = x.ItemCode,
+            InputValue = x.InputValue,
+            CountValue = x.CountValue
         }).ToList();
         // 草稿允许留空，因此按非必填口径试算，只汇总已录入的部分。
         var preview = ScoreSheetCalculationService.Calculate(definitions, inputs, ctx.Config, false);
@@ -538,7 +583,9 @@ public class JudgeScoringController : IDynamicApiController
                 IsDisqualified = outcome.IsDisqualified,
                 Symbols = (outcome.Aggregate?.Symbols ?? new List<EntrySymbolScore>()).Select(symbol => new JudgeSymbolScoreDto
                 {
-                    Symbol = symbol.Symbol, Label = symbol.Label, Sign = symbol.Sign,
+                    Symbol = symbol.Symbol,
+                    Label = symbol.Label,
+                    Sign = symbol.Sign,
                     Value = ctx.Config.Format(symbol.Value),
                     Judges = symbol.Judges.Select(judge => new JudgeSymbolJudgeDto
                     {
@@ -683,12 +730,18 @@ public class JudgeScoringController : IDynamicApiController
             : (await _correctionRepository.GetListAsync(x => correctionIds.Contains(x.Id))).ToDictionary(x => x.Id);
         return messages.Select(x => new JudgeMessageDto
         {
-            Id = x.Id, EventId = x.EventId, MessageType = x.MessageType, Title = x.Title, Content = x.Content,
-            RelationType = x.RelationType, RelationId = x.RelationId,
+            Id = x.Id,
+            EventId = x.EventId,
+            MessageType = x.MessageType,
+            Title = x.Title,
+            Content = x.Content,
+            RelationType = x.RelationType,
+            RelationId = x.RelationId,
             SessionId = x.RelationId.HasValue ? corrections.GetValueOrDefault(x.RelationId.Value)?.SessionId : null,
             SessionEntryId = x.RelationId.HasValue ? corrections.GetValueOrDefault(x.RelationId.Value)?.SessionEntryId : null,
             ScoreSheetId = x.RelationId.HasValue ? corrections.GetValueOrDefault(x.RelationId.Value)?.OriginalScoreSheetId : null,
-            IsRead = x.IsRead, CreatedTime = x.CreatedTime
+            IsRead = x.IsRead,
+            CreatedTime = x.CreatedTime
         }).ToList();
     }
 
@@ -770,12 +823,22 @@ public class JudgeScoringController : IDynamicApiController
         if (current.Count > 0) await _attachmentRepository.UpdateRangeAsync(current);
         var attachment = new EventJudgeScoreAttachment
         {
-            Id = _idGenerator.NextId(), EventId = sheet.EventId, SessionId = sheet.SessionId,
-            SessionEntryId = sheet.SessionEntryId, ScoreSheetId = sheet.Id,
-            JudgeAssignmentId = sheet.JudgeAssignmentId, RefereeId = referee.Id,
-            AttachmentType = AnnotationAttachmentType, FileName = Path.GetFileName(file.FileName),
-            FileUrl = url, FileSize = file.Length, ContentType = "image/png", IdempotencyKey = key,
-            IsCurrent = true, CreatedUserId = _authManager.UserId, CreatedTime = now
+            Id = _idGenerator.NextId(),
+            EventId = sheet.EventId,
+            SessionId = sheet.SessionId,
+            SessionEntryId = sheet.SessionEntryId,
+            ScoreSheetId = sheet.Id,
+            JudgeAssignmentId = sheet.JudgeAssignmentId,
+            RefereeId = referee.Id,
+            AttachmentType = AnnotationAttachmentType,
+            FileName = Path.GetFileName(file.FileName),
+            FileUrl = url,
+            FileSize = file.Length,
+            ContentType = "image/png",
+            IdempotencyKey = key,
+            IsCurrent = true,
+            CreatedUserId = _authManager.UserId,
+            CreatedTime = now
         };
         await _attachmentRepository.InsertAsync(attachment);
         return ToAttachmentDto(attachment);
@@ -1077,7 +1140,9 @@ public class JudgeScoringController : IDynamicApiController
     private static List<ScoreItemInputValue> ToInputValues(List<JudgeScoreItemInput> items) =>
         items.Select(x => new ScoreItemInputValue
         {
-            ItemCode = x.ItemCode, InputValue = x.InputValue, CountValue = x.CountValue
+            ItemCode = x.ItemCode,
+            InputValue = x.InputValue,
+            CountValue = x.CountValue
         }).ToList();
 
     /// <summary>
@@ -1098,7 +1163,10 @@ public class JudgeScoringController : IDynamicApiController
             RequiredMissingCount = calculation.RequiredMissingCount,
             Steps = calculation.Steps.Select(x => new JudgeScoreStepDto
             {
-                Code = x.Code, Label = x.Label, Formula = x.Formula, Value = x.Value
+                Code = x.Code,
+                Label = x.Label,
+                Formula = x.Formula,
+                Value = x.Value
             }).ToList()
         };
 
@@ -1107,8 +1175,11 @@ public class JudgeScoringController : IDynamicApiController
     /// </summary>
     private static JudgeRoleProgressDto ToProgressDto(EntryRoleProgress progress) => new()
     {
-        RoleType = progress.RoleType, RoleName = progress.RoleName, Symbol = progress.Symbol,
-        ExpectedCount = progress.ExpectedCount, SubmittedCount = progress.SubmittedCount,
+        RoleType = progress.RoleType,
+        RoleName = progress.RoleName,
+        Symbol = progress.Symbol,
+        ExpectedCount = progress.ExpectedCount,
+        SubmittedCount = progress.SubmittedCount,
         PendingJudges = progress.PendingJudges
     };
 
@@ -1186,6 +1257,38 @@ public class JudgeScoringController : IDynamicApiController
     /// </summary>
     private const int EntryStatusWithdrawn = 80;
 
+    /// <summary>
+    /// 获取场次在赛事编排中的顺序。自动编排和秩序册导入生成的场次号末段均保存场次顺序；
+    /// 速度项目只有项目和场地段，同一项目内按场地顺序排列。
+    /// </summary>
+    private static int GetArrangementSequence(string? sessionNo)
+    {
+        if (string.IsNullOrWhiteSpace(sessionNo)) return int.MaxValue;
+
+        var match = Regex.Match(sessionNo, @"^EP\d+-(?:V)?\d+(?:-(?<sequence>\d+))?$",
+            RegexOptions.IgnoreCase | RegexOptions.CultureInvariant);
+        if (!match.Success) return int.MaxValue;
+
+        return match.Groups["sequence"].Success &&
+               int.TryParse(match.Groups["sequence"].Value, out var sequence)
+            ? sequence
+            : 0;
+    }
+
+    /// <summary>
+    /// 获取用于裁判场次选择的赛事实时状态，避免后台状态同步延迟导致比赛中场次不可见。
+    /// </summary>
+    private static EventStatus GetEffectiveEventStatus(EventInfo eventInfo, DateTime now)
+    {
+        var calculatedStatus = EventStatusUpdateService.CalculateEventStatus(eventInfo, now);
+        if (calculatedStatus == EventStatus.Ended || eventInfo.EventStatus == EventStatus.Ended)
+            return EventStatus.Ended;
+        if (calculatedStatus == EventStatus.Ongoing || eventInfo.EventStatus == EventStatus.Ongoing)
+            return EventStatus.Ongoing;
+
+        return calculatedStatus;
+    }
+
     /// <summary>
     /// 场次状态名称
     /// </summary>