“教学班成绩分析”页面新增“定时刷新设置”，支持启停、刷新间隔、单次处理上限、查看上次/下次扫描时间。

配置保存在独立数据库表 CourseGradeStatisticsRefreshSettings，不是修改 appsettings.json。
后台每 10 秒读取配置，仅到期扫描；成绩录入、导入、审批时不再立即创建统计任务。
扫描发现过期数据后，仍通过持久任务、Outbox 和 RabbitMQ 执行；Redis统计缓存由处理任务统一刷新。

.env.example

@@ -18,6 +18,7 @@ BackgroundJobs__AutomaticScheduleConcurrency=1
 BackgroundJobs__SchedulePublishConcurrency=1
 BackgroundJobs__MakeupExamAutoConcurrency=1
 BackgroundJobs__ExamArrangementConcurrency=1
+BackgroundJobs__CourseGradeStatisticsRefreshConcurrency=1
 # RabbitMq__HostName=rabbitmq.example.edu.cn
 # RabbitMq__Port=5671
 # RabbitMq__UserName=jiaowu

src/Jiaowu.Api/Controllers/ApprovalsController.cs

@@ -251,13 +251,6 @@ public sealed class ApprovalsController(AppDbContext db, ICurrentUserDataScope s
         // Auto-apply: update grade record
         gm.GradeRecord!.TotalScore = gm.RequestedScore;
         gm.GradeRecord.GradePoint = GradeCalculator.CalculateGradePoint(gm.RequestedScore);
-        var statisticsJob = new CourseGradeStatisticsRefreshJob
-        {
-            GradeSheetId = gm.GradeRecord.GradeSheetId
-        };
-        db.CourseGradeStatisticsRefreshJobs.Add(statisticsJob);
-        db.BackgroundJobOutboxMessages.Add(BackgroundJobOutboxMessage.Create(
-            BackgroundJobKind.CourseGradeStatisticsRefresh, statisticsJob.Id));
         await db.SaveChangesAsync(ct);
         await NotificationService.SendAsync(
             db,

src/Jiaowu.Api/Controllers/GradeAnalyticsController.cs

@@ -25,6 +25,69 @@ public sealed class GradeAnalyticsController(
         SystemRoles.CollegeAdmin + "," +
         SystemRoles.Leader + "," +
         SystemRoles.Teacher;
+    private const string ScheduleManagers =
+        SystemRoles.SuperAdmin + "," + SystemRoles.AcademicAdmin;
+
+    [HttpGet("refresh-schedule")]
+    [Authorize(Roles = ScheduleManagers)]
+    public async Task<ActionResult> GetRefreshSchedule(CancellationToken cancellationToken)
+    {
+        var setting = await db.CourseGradeStatisticsRefreshSettings.AsNoTracking()
+            .SingleOrDefaultAsync(
+                x => x.Key == CourseGradeStatisticsRefreshSetting.DefaultKey,
+                cancellationToken);
+        var defaults = new CourseGradeStatisticsRefreshSetting();
+        var enabled = setting?.IsEnabled ?? defaults.IsEnabled;
+        var intervalSeconds = setting?.IntervalSeconds ?? defaults.IntervalSeconds;
+        var batchSize = setting?.BatchSize ?? defaults.BatchSize;
+        var lastRunAt = setting?.LastRunAt;
+        return Ok(new
+        {
+            IsEnabled = enabled,
+            IntervalSeconds = intervalSeconds,
+            BatchSize = batchSize,
+            LastRunAt = lastRunAt,
+            NextRunAt = enabled && lastRunAt.HasValue
+                ? lastRunAt.Value.AddSeconds(intervalSeconds)
+                : null as DateTime?
+        });
+    }
+
+    [HttpPut("refresh-schedule")]
+    [Authorize(Roles = ScheduleManagers)]
+    public async Task<ActionResult> SaveRefreshSchedule(
+        SaveGradeStatisticsRefreshScheduleRequest request,
+        CancellationToken cancellationToken)
+    {
+        if (request.IntervalSeconds is < 10 or > 86400)
+            return BadRequest(new ProblemDetails
+            {
+                Title = "刷新间隔应在 10 秒到 24 小时之间。",
+                Status = StatusCodes.Status400BadRequest
+            });
+        if (request.BatchSize is < 1 or > 5000)
+            return BadRequest(new ProblemDetails
+            {
+                Title = "单次刷新批量应在 1 到 5000 之间。",
+                Status = StatusCodes.Status400BadRequest
+            });
+
+        var setting = await db.CourseGradeStatisticsRefreshSettings
+            .SingleOrDefaultAsync(
+                x => x.Key == CourseGradeStatisticsRefreshSetting.DefaultKey,
+                cancellationToken);
+        if (setting is null)
+        {
+            setting = new CourseGradeStatisticsRefreshSetting();
+            db.CourseGradeStatisticsRefreshSettings.Add(setting);
+        }
+
+        setting.IsEnabled = request.IsEnabled;
+        setting.IntervalSeconds = request.IntervalSeconds;
+        setting.BatchSize = request.BatchSize;
+        await db.SaveChangesAsync(cancellationToken);
+        return NoContent();
+    }
 
     [HttpGet("teaching-classes")]
     public async Task<ActionResult> GetTeachingClasses(
@@ -526,3 +589,8 @@ public sealed class GradeAnalyticsController(
         IReadOnlyList<HistoricalComparison> History,
         ComparisonDelta? UniversityDelta);
 }
+
+public sealed record SaveGradeStatisticsRefreshScheduleRequest(
+    bool IsEnabled,
+    int IntervalSeconds,
+    int BatchSize);

src/Jiaowu.Api/Controllers/GradesController.cs

@@ -508,7 +508,6 @@ public sealed class GradesController(
         }
         targetItem.SourceType = GradeItemSourceType.ExperimentSummary;
         targetItem.SourceSnapshotAt = DateTime.UtcNow;
-        QueueCourseStatisticsRefresh(sheet.Id);
         await db.SaveChangesAsync(cancellationToken);
         return Ok(new
         {
@@ -668,7 +667,6 @@ public sealed class GradesController(
             return ConflictProblem("只有审核通过的成绩单可以发布。");
         sheet.Status = GradeSheetStatus.Published;
         sheet.PublishedAt = DateTime.UtcNow;
-        QueueCourseStatisticsRefresh(sheet.Id);
 
         // The grade sheet roster is authoritative at publication time. This also
         // covers students added through approved roster corrections.
@@ -918,7 +916,6 @@ public sealed class GradesController(
         if (errors.Count > 0)
             return ImportValidationProblem(errors);
 
-        QueueCourseStatisticsRefresh(sheet.Id);
         await db.SaveChangesAsync(cancellationToken);
         return Ok(new { updated, total = rows.Count });
     }
@@ -1161,7 +1158,6 @@ public sealed class GradesController(
     {
         try
         {
-            QueueCourseStatisticsRefresh(id);
             await db.SaveChangesAsync(cancellationToken);
             return created ? Created(string.Empty, new { id }) : NoContent();
         }
@@ -1171,14 +1167,6 @@ public sealed class GradesController(
         }
     }
 
-    private void QueueCourseStatisticsRefresh(Guid gradeSheetId)
-    {
-        var job = new CourseGradeStatisticsRefreshJob { GradeSheetId = gradeSheetId };
-        db.CourseGradeStatisticsRefreshJobs.Add(job);
-        db.BackgroundJobOutboxMessages.Add(BackgroundJobOutboxMessage.Create(
-            BackgroundJobKind.CourseGradeStatisticsRefresh, job.Id));
-    }
-
     private ActionResult ConflictProblem(string detail) =>
         Conflict(new ProblemDetails
         {

src/Jiaowu.Api/Controllers/WarningsController.cs

@@ -21,32 +21,45 @@ public sealed class WarningsController(AppDbContext db, ICurrentUserDataScope sc
     [Authorize(Roles = Managers)]
     public async Task<ActionResult> GetRules(Guid academicTermId, CancellationToken ct) =>
         Ok(await db.WarningRules.AsNoTracking().Where(x => x.AcademicTermId == academicTermId)
-            .OrderBy(x => x.Type).Select(x => new { x.Id, x.Type, x.Name, x.Threshold, x.IsEnabled, x.NotifyStudent, x.NotifyCounselor, x.Description, x.AutoCheckEnabled, CheckDayOfWeek = x.CheckDayOfWeek ?? 0, x.CheckHour, x.CheckMinute, x.LastCheckAt })
+            .OrderBy(x => x.Type).Select(x => new { x.Id, Type = (int)x.Type, x.Name, x.Threshold, x.IsEnabled, x.NotifyStudent, x.NotifyCounselor, x.Description, x.AutoCheckEnabled, CheckDayOfWeek = x.CheckDayOfWeek ?? 0, x.CheckHour, x.CheckMinute, x.LastCheckAt })
             .ToListAsync(ct));
 
     [HttpPut("rules")]
     [Authorize(Roles = Managers)]
     public async Task<ActionResult> SaveRules(Guid academicTermId, List<WarningRuleDto> rules, CancellationToken ct)
     {
+        if (rules.GroupBy(x => x.Type).Any(group => group.Count() > 1))
+            return BadRequest(new ProblemDetails { Title = "预警类型不能重复。", Status = StatusCodes.Status400BadRequest });
+        if (rules.Any(x => x.CheckDayOfWeek is < 0 or > 7 || x.CheckHour is < 0 or > 23 || x.CheckMinute is < 0 or > 59))
+            return BadRequest(new ProblemDetails { Title = "自动检测时间无效。", Status = StatusCodes.Status400BadRequest });
+
         var existing = await db.WarningRules.Where(x => x.AcademicTermId == academicTermId).ToListAsync(ct);
-        db.WarningRules.RemoveRange(existing);
+        var incomingTypes = rules.Select(x => x.Type).ToHashSet();
+        db.WarningRules.RemoveRange(existing.Where(x => !incomingTypes.Contains(x.Type)));
         foreach (var r in rules)
         {
-            db.WarningRules.Add(new WarningRule
+            var entity = existing.FirstOrDefault(x => x.Type == r.Type);
+            if (entity is null)
+            {
+                entity = new WarningRule
                 {
                     AcademicTermId = academicTermId,
                     Type = r.Type,
-                Name = r.Name.Trim(),
+                    Name = r.Name.Trim()
-                Threshold = r.Threshold,
+                };
-                IsEnabled = r.IsEnabled,
+                db.WarningRules.Add(entity);
-                NotifyStudent = r.NotifyStudent,
+            }
-                NotifyCounselor = r.NotifyCounselor,
+
-                Description = r.Description?.Trim(),
+            entity.Name = r.Name.Trim();
-                AutoCheckEnabled = r.AutoCheckEnabled,
+            entity.Threshold = r.Threshold;
-                CheckDayOfWeek = r.CheckDayOfWeek == 0 ? null : r.CheckDayOfWeek,
+            entity.IsEnabled = r.IsEnabled;
-                CheckHour = r.CheckHour,
+            entity.NotifyStudent = r.NotifyStudent;
-                CheckMinute = r.CheckMinute
+            entity.NotifyCounselor = r.NotifyCounselor;
-            });
+            entity.Description = r.Description?.Trim();
+            entity.AutoCheckEnabled = r.AutoCheckEnabled;
+            entity.CheckDayOfWeek = r.CheckDayOfWeek == 0 ? null : r.CheckDayOfWeek;
+            entity.CheckHour = r.CheckHour;
+            entity.CheckMinute = r.CheckMinute;
         }
         await db.SaveChangesAsync(ct);
         return NoContent();
@@ -120,7 +133,7 @@ public sealed class WarningsController(AppDbContext db, ICurrentUserDataScope sc
         }
         if (academicTermId.HasValue) q = q.Where(x => x.AcademicTermId == academicTermId);
         if (type.HasValue) q = q.Where(x => x.Type == type);
-        return Ok(await q.OrderByDescending(x => x.CreatedAt).Select(x => new { x.Id, x.StudentId, StudentName = x.Student!.Name, StudentNumber = x.Student.StudentNumber, ClassName = x.Student.AdministrativeClass!.Name, x.Type, x.Status, x.TriggerValue, x.Detail, x.AcknowledgedAt, x.AcknowledgeComment, x.CreatedAt }).ToListAsync(ct));
+        return Ok(await q.OrderByDescending(x => x.CreatedAt).Select(x => new { x.Id, x.StudentId, StudentName = x.Student!.Name, StudentNumber = x.Student.StudentNumber, ClassName = x.Student.AdministrativeClass!.Name, Type = (int)x.Type, Status = (int)x.Status, x.TriggerValue, x.Detail, x.AcknowledgedAt, x.AcknowledgeComment, x.CreatedAt }).ToListAsync(ct));
     }
 
     // ═══════════ Student ═══════════
@@ -131,7 +144,7 @@ public sealed class WarningsController(AppDbContext db, ICurrentUserDataScope sc
         var sid = await GetStudentIdAsync(ct);
         if (sid is null) return StudentNotFound();
         return Ok(await db.WarningRecords.AsNoTracking().Where(x => x.StudentId == sid).OrderByDescending(x => x.CreatedAt)
-            .Select(x => new { x.Id, x.Type, x.Status, x.TriggerValue, x.Detail, x.AcknowledgedAt, x.AcknowledgeComment, x.CreatedAt, TermName = x.AcademicTermId })
+            .Select(x => new { x.Id, Type = (int)x.Type, Status = (int)x.Status, x.TriggerValue, x.Detail, x.AcknowledgedAt, x.AcknowledgeComment, x.CreatedAt, TermName = x.AcademicTermId })
             .ToListAsync(ct));
     }
 

src/Jiaowu.Api/Domain/Academic/CourseGradeStatisticsRefreshSetting.cs

@@ -0,0 +1,14 @@
+using Jiaowu.Api.Domain.Common;
+
+namespace Jiaowu.Api.Domain.Academic;
+
+public sealed class CourseGradeStatisticsRefreshSetting : EntityBase
+{
+    public const string DefaultKey = "default";
+
+    public string Key { get; set; } = DefaultKey;
+    public bool IsEnabled { get; set; } = true;
+    public int IntervalSeconds { get; set; } = 300;
+    public int BatchSize { get; set; } = 100;
+    public DateTime? LastRunAt { get; set; }
+}

src/Jiaowu.Api/Infrastructure/Grades/CourseGradeStatisticsRefreshWorker.cs

@@ -0,0 +1,228 @@
+using Jiaowu.Api.Domain.Academic;
+using Jiaowu.Api.Domain.System;
+using Jiaowu.Api.Infrastructure.BackgroundJobs;
+using Jiaowu.Api.Infrastructure.Persistence;
+using Microsoft.EntityFrameworkCore;
+
+namespace Jiaowu.Api.Infrastructure.Grades;
+
+/// <summary>
+/// Repairs missing or stale materialized grade statistics on a database-
+/// configured fixed interval. Grade writes do not enqueue refresh jobs; this
+/// worker batches changes made during bulk imports.
+/// </summary>
+public sealed class CourseGradeStatisticsRefreshWorker(
+    IServiceScopeFactory scopeFactory,
+    TimeProvider timeProvider,
+    ILogger<CourseGradeStatisticsRefreshWorker> logger) : BackgroundService
+{
+    protected override async Task ExecuteAsync(CancellationToken stoppingToken)
+    {
+        logger.LogInformation("Database-configured course grade statistics scheduler started.");
+        using var timer = new PeriodicTimer(TimeSpan.FromSeconds(10), timeProvider);
+        while (!stoppingToken.IsCancellationRequested)
+        {
+            try
+            {
+                await using var scope = scopeFactory.CreateAsyncScope();
+                var scheduler = scope.ServiceProvider
+                    .GetRequiredService<CourseGradeStatisticsRefreshScheduler>();
+                var queued = await scheduler.EnqueueDueAsync(
+                    timeProvider.GetUtcNow().UtcDateTime,
+                    stoppingToken);
+                if (queued > 0)
+                    logger.LogInformation(
+                        "Scheduled course grade statistics scan queued {Count} refresh jobs.",
+                        queued);
+            }
+            catch (OperationCanceledException) when (stoppingToken.IsCancellationRequested)
+            {
+                break;
+            }
+            catch (Exception exception)
+            {
+                logger.LogError(exception, "Scheduled course grade statistics scan failed.");
+            }
+
+            if (!await timer.WaitForNextTickAsync(stoppingToken)) break;
+        }
+    }
+}
+
+public sealed class CourseGradeStatisticsRefreshScheduler(
+    AppDbContext db,
+    ILogger<CourseGradeStatisticsRefreshScheduler> logger)
+{
+    public async Task<int> EnqueueDueAsync(
+        DateTime utcNow,
+        CancellationToken cancellationToken) =>
+        await ExecuteWithLeaseAsync(async () =>
+        {
+            var setting = await db.CourseGradeStatisticsRefreshSettings
+                .SingleOrDefaultAsync(
+                    x => x.Key == CourseGradeStatisticsRefreshSetting.DefaultKey,
+                    cancellationToken);
+            if (setting is null)
+            {
+                setting = new CourseGradeStatisticsRefreshSetting();
+                db.CourseGradeStatisticsRefreshSettings.Add(setting);
+            }
+
+            var interval = TimeSpan.FromSeconds(
+                Math.Clamp(setting.IntervalSeconds, 10, 86400));
+            if (!setting.IsEnabled ||
+                setting.LastRunAt.HasValue && utcNow < setting.LastRunAt.Value + interval)
+            {
+                if (db.Entry(setting).State == EntityState.Added)
+                    await db.SaveChangesAsync(cancellationToken);
+                return 0;
+            }
+
+            setting.LastRunAt = utcNow;
+            var queued = await EnqueueStaleCoreAsync(setting.BatchSize, cancellationToken);
+            await db.SaveChangesAsync(cancellationToken);
+            return queued;
+        }, cancellationToken);
+
+    public async Task<int> EnqueueStaleAsync(
+        int batchSize,
+        CancellationToken cancellationToken) =>
+        await ExecuteWithLeaseAsync(async () =>
+        {
+            var queued = await EnqueueStaleCoreAsync(batchSize, cancellationToken);
+            if (queued > 0) await db.SaveChangesAsync(cancellationToken);
+            return queued;
+        }, cancellationToken);
+
+    private async Task<int> ExecuteWithLeaseAsync(
+        Func<Task<int>> action,
+        CancellationToken cancellationToken)
+    {
+        var usesMySqlLease = db.Database.ProviderName?.Contains(
+            "MySql",
+            StringComparison.OrdinalIgnoreCase) == true;
+        if (usesMySqlLease && !await TryAcquireMySqlLeaseAsync(cancellationToken))
+        {
+            await db.Database.CloseConnectionAsync();
+            logger.LogDebug("Another instance owns the grade statistics refresh lease.");
+            return 0;
+        }
+
+        try
+        {
+            return await action();
+        }
+        finally
+        {
+            if (usesMySqlLease)
+                await ReleaseMySqlLeaseAsync();
+        }
+    }
+
+    private async Task<int> EnqueueStaleCoreAsync(
+        int batchSize,
+        CancellationToken cancellationToken)
+    {
+        batchSize = Math.Clamp(batchSize, 1, 5000);
+        var activeTargets = await (
+                from job in db.CourseGradeStatisticsRefreshJobs.AsNoTracking()
+                join sheet in db.GradeSheets.AsNoTracking()
+                    on job.GradeSheetId equals sheet.Id
+                where job.Status == CourseGradeStatisticsRefreshJobStatus.Queued ||
+                      job.Status == CourseGradeStatisticsRefreshJobStatus.Running
+                select new CourseTermTarget(
+                    sheet.TeachingTask!.CourseId,
+                    sheet.TeachingTask.AcademicTermId))
+            .Distinct()
+            .ToListAsync(cancellationToken);
+        var active = activeTargets.ToHashSet();
+
+        var rows = await db.GradeSheets.AsNoTracking()
+            .Where(sheet =>
+                sheet.Status == GradeSheetStatus.Published &&
+                sheet.Records.Any(record => record.TotalScore != null))
+            .Select(sheet => new RefreshCandidate(
+                sheet.Id,
+                sheet.TeachingTask!.CourseId,
+                sheet.TeachingTask.AcademicTermId,
+                sheet.UpdatedAt,
+                sheet.Records
+                    .Where(record => record.TotalScore != null)
+                    .Max(record => record.UpdatedAt),
+                db.TeachingTaskGradeStatistics
+                    .Where(statistic => statistic.GradeSheetId == sheet.Id)
+                    .Select(statistic => (DateTime?)statistic.CalculatedAt)
+                    .FirstOrDefault()))
+            .ToListAsync(cancellationToken);
+
+        var stale = rows
+            .Where(row =>
+                row.CalculatedAt is null ||
+                row.SheetUpdatedAt > row.CalculatedAt ||
+                row.RecordsUpdatedAt > row.CalculatedAt)
+            .GroupBy(row => new CourseTermTarget(row.CourseId, row.AcademicTermId))
+            .Where(group => !active.Contains(group.Key))
+            .Select(group => group
+                .OrderByDescending(row => row.RecordsUpdatedAt)
+                .ThenByDescending(row => row.SheetUpdatedAt)
+                .First())
+            .Take(batchSize)
+            .ToArray();
+
+        foreach (var candidate in stale)
+        {
+            var job = new CourseGradeStatisticsRefreshJob
+            {
+                GradeSheetId = candidate.GradeSheetId
+            };
+            db.CourseGradeStatisticsRefreshJobs.Add(job);
+            db.BackgroundJobOutboxMessages.Add(BackgroundJobOutboxMessage.Create(
+                BackgroundJobKind.CourseGradeStatisticsRefresh,
+                job.Id));
+        }
+
+        if (stale.Length == 0) return 0;
+        logger.LogDebug(
+            "Queued {Count} stale course grade statistics targets.",
+            stale.Length);
+        return stale.Length;
+    }
+
+    private async Task<bool> TryAcquireMySqlLeaseAsync(
+        CancellationToken cancellationToken)
+    {
+        await db.Database.OpenConnectionAsync(cancellationToken);
+        await using var command = db.Database.GetDbConnection().CreateCommand();
+        command.CommandText = "SELECT GET_LOCK('jiaowu:grade-statistics-refresh', 0);";
+        var result = await command.ExecuteScalarAsync(cancellationToken);
+        return Convert.ToInt32(result) == 1;
+    }
+
+    private async Task ReleaseMySqlLeaseAsync()
+    {
+        try
+        {
+            await using var command = db.Database.GetDbConnection().CreateCommand();
+            command.CommandText = "SELECT RELEASE_LOCK('jiaowu:grade-statistics-refresh');";
+            await command.ExecuteScalarAsync(CancellationToken.None);
+        }
+        catch (Exception exception)
+        {
+            logger.LogWarning(exception, "Failed to release grade statistics refresh lease.");
+        }
+        finally
+        {
+            await db.Database.CloseConnectionAsync();
+        }
+    }
+
+    private sealed record RefreshCandidate(
+        Guid GradeSheetId,
+        Guid CourseId,
+        Guid AcademicTermId,
+        DateTime SheetUpdatedAt,
+        DateTime RecordsUpdatedAt,
+        DateTime? CalculatedAt);
+
+    private sealed record CourseTermTarget(Guid CourseId, Guid AcademicTermId);
+}

src/Jiaowu.Api/Infrastructure/Persistence/AppDbContext.cs

@@ -144,6 +144,8 @@ public sealed class AppDbContext(DbContextOptions<AppDbContext> options)
         Set<AppUpdateRelease>();
     public DbSet<SystemFeatureSetting> SystemFeatureSettings =>
         Set<SystemFeatureSetting>();
+    public DbSet<CourseGradeStatisticsRefreshSetting> CourseGradeStatisticsRefreshSettings =>
+        Set<CourseGradeStatisticsRefreshSetting>();
     public DbSet<RefreshSession> RefreshSessions => Set<RefreshSession>();
 
     protected override void ConfigureConventions(
@@ -1536,6 +1538,12 @@ public sealed class AppDbContext(DbContextOptions<AppDbContext> options)
             entity.HasIndex(x => x.Key).IsUnique();
         });
 
+        builder.Entity<CourseGradeStatisticsRefreshSetting>(entity =>
+        {
+            entity.Property(x => x.Key).HasMaxLength(50);
+            entity.HasIndex(x => x.Key).IsUnique();
+        });
+
         builder.Entity<OfficialDocument>(entity =>
         {
             entity.Property(x => x.DocumentNumber).HasMaxLength(50);

src/Jiaowu.Api/Infrastructure/Persistence/DevelopmentSqliteMigrator.cs

@@ -98,6 +98,8 @@ public sealed class DevelopmentSqliteMigrator(
         "20260809_51_separate_experiment_classroom_scope";
     private const string ReusableCourseGroupsMigration =
         "20260809_52_reusable_course_groups";
+    private const string CourseGradeStatisticsRefreshSettingsMigration =
+        "20260809_53_course_grade_statistics_refresh_settings";
 
     public async Task MigrateAsync(CancellationToken cancellationToken = default)
     {
@@ -677,6 +679,14 @@ public sealed class DevelopmentSqliteMigrator(
             TeachingTaskGradeAnalyticsMigration,
             TeachingTaskGradeAnalyticsStatements,
             cancellationToken);
+        var gradeRefreshSettingsExist = await db.Database
+            .SqlQueryRaw<int>(
+                "SELECT COUNT(*) AS \"Value\" FROM sqlite_master WHERE type = 'table' AND name = 'CourseGradeStatisticsRefreshSettings'")
+            .AnyAsync(value => value > 0, cancellationToken);
+        await ApplyMigrationAsync(
+            CourseGradeStatisticsRefreshSettingsMigration,
+            gradeRefreshSettingsExist ? [] : CourseGradeStatisticsRefreshSettingsStatements,
+            cancellationToken);
         var swaggerSettingsExist = await db.Database
             .SqlQueryRaw<int>(
                 "SELECT COUNT(*) AS \"Value\" FROM sqlite_master WHERE type = 'table' AND name = 'SystemFeatureSettings'")
@@ -2973,6 +2983,12 @@ public sealed class DevelopmentSqliteMigrator(
         """
     ];
 
+    private static readonly string[] CourseGradeStatisticsRefreshSettingsStatements =
+    [
+        """CREATE TABLE IF NOT EXISTS "CourseGradeStatisticsRefreshSettings" ("Id" TEXT NOT NULL CONSTRAINT "PK_CourseGradeStatisticsRefreshSettings" PRIMARY KEY, "Key" TEXT NOT NULL, "IsEnabled" INTEGER NOT NULL, "IntervalSeconds" INTEGER NOT NULL, "BatchSize" INTEGER NOT NULL, "LastRunAt" TEXT NULL, "CreatedAt" TEXT NOT NULL, "UpdatedAt" TEXT NOT NULL);""",
+        """CREATE UNIQUE INDEX IF NOT EXISTS "IX_CourseGradeStatisticsRefreshSettings_Key" ON "CourseGradeStatisticsRefreshSettings" ("Key");"""
+    ];
+
     private static readonly string[] ExperimentClassroomConstraintStatements =
     [
         """

src/Jiaowu.Api/Infrastructure/Persistence/Migrations/MySql/20260809123700_CourseGradeStatisticsRefreshSettings.cs

@@ -0,0 +1,48 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql
+{
+    /// <inheritdoc />
+    public partial class CourseGradeStatisticsRefreshSettings : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "CourseGradeStatisticsRefreshSettings",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "char(36)", nullable: false),
+                    Key = table.Column<string>(type: "varchar(50)", maxLength: 50, nullable: false),
+                    IsEnabled = table.Column<bool>(type: "tinyint(1)", nullable: false),
+                    IntervalSeconds = table.Column<int>(type: "int", nullable: false),
+                    BatchSize = table.Column<int>(type: "int", nullable: false),
+                    LastRunAt = table.Column<DateTime>(type: "datetime(6)", nullable: true),
+                    CreatedAt = table.Column<DateTime>(type: "datetime(6)", nullable: false),
+                    UpdatedAt = table.Column<DateTime>(type: "datetime(6)", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_CourseGradeStatisticsRefreshSettings", x => x.Id);
+                })
+                .Annotation("MySQL:Charset", "utf8mb4");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_CourseGradeStatisticsRefreshSettings_Key",
+                table: "CourseGradeStatisticsRefreshSettings",
+                column: "Key",
+                unique: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "CourseGradeStatisticsRefreshSettings");
+
+        }
+    }
+}

src/Jiaowu.Api/Infrastructure/Persistence/Migrations/MySql/AppDbContextModelSnapshot.cs

@@ -1098,6 +1098,43 @@ namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql
                     b.ToTable("CourseGradeStatisticsRefreshJobs");
                 });
 
+            modelBuilder.Entity("Jiaowu.Api.Domain.Academic.CourseGradeStatisticsRefreshSetting", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("char(36)");
+
+                    b.Property<int>("BatchSize")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<int>("IntervalSeconds")
+                        .HasColumnType("int");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("tinyint(1)");
+
+                    b.Property<string>("Key")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("varchar(50)");
+
+                    b.Property<DateTime?>("LastRunAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<DateTime>("UpdatedAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Key")
+                        .IsUnique();
+
+                    b.ToTable("CourseGradeStatisticsRefreshSettings");
+                });
+
             modelBuilder.Entity("Jiaowu.Api.Domain.Academic.CourseGroup", b =>
                 {
                     b.Property<Guid>("Id")

src/Jiaowu.Api/Program.cs

@@ -438,6 +438,9 @@ builder.Services.AddScoped<ExamArrangementJobProcessor>();
 builder.Services.AddScoped<ExamSignInExportJobProcessor>();
 builder.Services.AddScoped<ExamPublishJobProcessor>();
 builder.Services.AddScoped<CourseGradeStatisticsRefreshJobProcessor>();
+builder.Services.AddScoped<CourseGradeStatisticsRefreshScheduler>();
+builder.Services.AddSingleton(TimeProvider.System);
+builder.Services.AddHostedService<CourseGradeStatisticsRefreshWorker>();
 builder.Services.AddSingleton<BackgroundJobTelemetry>();
 builder.Services.AddScoped<BackgroundJobMonitoringService>();
 builder.Services.AddScoped<OperationalHealthService>();

tests/Jiaowu.Api.Tests/CourseGradeStatisticsCronSchedulerTests.cs

@@ -0,0 +1,176 @@
+using Jiaowu.Api.Domain.Academic;
+using Jiaowu.Api.Domain.System;
+using Jiaowu.Api.Infrastructure.Grades;
+using Jiaowu.Api.Infrastructure.Persistence;
+using Microsoft.Data.Sqlite;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging.Abstractions;
+
+namespace Jiaowu.Api.Tests;
+
+public sealed class CourseGradeStatisticsRefreshSchedulerTests
+{
+    [Fact]
+    public async Task EnqueueDueAsync_UsesPersistentScheduleAndHonorsInterval()
+    {
+        await using var connection = new SqliteConnection("Data Source=:memory:");
+        await connection.OpenAsync();
+        var options = new DbContextOptionsBuilder<AppDbContext>()
+            .UseSqlite(connection)
+            .Options;
+        await using var db = new AppDbContext(options);
+        await db.Database.EnsureCreatedAsync();
+        var scheduler = new CourseGradeStatisticsRefreshScheduler(
+            db,
+            NullLogger<CourseGradeStatisticsRefreshScheduler>.Instance);
+        var now = new DateTime(2026, 8, 9, 12, 0, 0, DateTimeKind.Utc);
+
+        await scheduler.EnqueueDueAsync(now, CancellationToken.None);
+        var setting = Assert.Single(await db.CourseGradeStatisticsRefreshSettings.ToListAsync());
+        Assert.True(setting.IsEnabled);
+        Assert.Equal(now, setting.LastRunAt);
+
+        await scheduler.EnqueueDueAsync(now.AddMinutes(1), CancellationToken.None);
+        Assert.Equal(now, setting.LastRunAt);
+    }
+
+    [Fact]
+    public async Task EnqueueStaleAsync_GroupsByCourseTerm_AndSkipsActiveTarget()
+    {
+        await using var connection = new SqliteConnection("Data Source=:memory:");
+        await connection.OpenAsync();
+        var options = new DbContextOptionsBuilder<AppDbContext>()
+            .UseSqlite(connection)
+            .Options;
+        await using var db = new AppDbContext(options);
+        await db.Database.EnsureCreatedAsync();
+
+        var college = new College { Code = "SCHEDULE", Name = "定时任务学院" };
+        var major = new Major
+        {
+            Code = "SCHEDULE-M",
+            Name = "定时任务专业",
+            College = college,
+            DegreeType = "本科"
+        };
+        var administrativeClass = new AdministrativeClass
+        {
+            Code = "SCHEDULE-C",
+            Name = "定时任务一班",
+            Major = major,
+            Grade = 2026
+        };
+        var student = new Student
+        {
+            StudentNumber = "SCHEDULE-001",
+            Name = "定时任务学生",
+            AdministrativeClass = administrativeClass,
+            EnrollmentYear = 2026,
+            EnrollmentDate = new DateOnly(2026, 9, 1)
+        };
+        var course = new Course
+        {
+            Code = "SCHEDULE-COURSE",
+            Name = "定时任务课程",
+            College = college,
+            Credits = 2,
+            TotalHours = 32,
+            LectureHours = 32
+        };
+        var term = new AcademicTerm
+        {
+            Code = "2026-A",
+            Name = "2026-2027 学年第一学期",
+            AcademicYear = "2026-2027",
+            Season = TermSeason.Autumn,
+            StartDate = new DateOnly(2026, 9, 1),
+            EndDate = new DateOnly(2027, 1, 15)
+        };
+        var firstTask = new TeachingTask
+        {
+            TaskNumber = "SCHEDULE-T1",
+            Name = "定时任务教学班一",
+            Course = course,
+            AcademicTerm = term,
+            Capacity = 30
+        };
+        var secondTask = new TeachingTask
+        {
+            TaskNumber = "SCHEDULE-T2",
+            Name = "定时任务教学班二",
+            Course = course,
+            AcademicTerm = term,
+            Capacity = 30
+        };
+        var firstSheet = PublishedSheet(firstTask, student, 80m);
+        var secondSheet = PublishedSheet(secondTask, student, 90m);
+        db.GradeSheets.AddRange(firstSheet, secondSheet);
+        await db.SaveChangesAsync();
+
+        var scheduler = new CourseGradeStatisticsRefreshScheduler(
+            db,
+            NullLogger<CourseGradeStatisticsRefreshScheduler>.Instance);
+
+        var queued = await scheduler.EnqueueStaleAsync(100, CancellationToken.None);
+        var queuedAgain = await scheduler.EnqueueStaleAsync(100, CancellationToken.None);
+
+        Assert.Equal(1, queued);
+        Assert.Equal(0, queuedAgain);
+        var job = Assert.Single(await db.CourseGradeStatisticsRefreshJobs.ToListAsync());
+        var outbox = Assert.Single(await db.BackgroundJobOutboxMessages.ToListAsync());
+        Assert.Equal(BackgroundJobKind.CourseGradeStatisticsRefresh, outbox.JobKind);
+
+        job.Status = CourseGradeStatisticsRefreshJobStatus.Succeeded;
+        db.TeachingTaskGradeStatistics.AddRange(
+            FreshStatistic(firstSheet, course, term),
+            FreshStatistic(secondSheet, course, term));
+        await db.SaveChangesAsync();
+
+        var queuedAfterFreshStatistics = await scheduler.EnqueueStaleAsync(
+            100,
+            CancellationToken.None);
+
+        Assert.Equal(0, queuedAfterFreshStatistics);
+        Assert.Single(await db.CourseGradeStatisticsRefreshJobs.ToListAsync());
+    }
+
+    private static GradeSheet PublishedSheet(
+        TeachingTask task,
+        Student student,
+        decimal score)
+    {
+        var sheet = new GradeSheet
+        {
+            TeachingTask = task,
+            Status = GradeSheetStatus.Published,
+            PublishedAt = DateTime.UtcNow
+        };
+        sheet.Records.Add(new GradeRecord
+        {
+            GradeSheet = sheet,
+            Student = student,
+            TotalScore = score,
+            GradePoint = 3m
+        });
+        return sheet;
+    }
+
+    private static TeachingTaskGradeStatistic FreshStatistic(
+        GradeSheet sheet,
+        Course course,
+        AcademicTerm term) => new()
+    {
+        GradeSheetId = sheet.Id,
+        TeachingTaskId = sheet.TeachingTaskId,
+        CourseId = course.Id,
+        AcademicTermId = term.Id,
+        StudentCount = 1,
+        PassedCount = 1,
+        HighestScore = 80m,
+        AverageScore = 80m,
+        MedianScore = 80m,
+        LowestScore = 80m,
+        PassRate = 100m,
+        CalculatedAt = DateTime.UtcNow.AddMinutes(1)
+    };
+}

tests/Jiaowu.Api.Tests/WarningRulePersistenceTests.cs

@@ -0,0 +1,78 @@
+using System.Collections;
+using Jiaowu.Api.Controllers;
+using Jiaowu.Api.Domain.Academic;
+using Jiaowu.Api.Domain.Identity;
+using Jiaowu.Api.Infrastructure.Auth;
+using Jiaowu.Api.Infrastructure.Persistence;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Data.Sqlite;
+using Microsoft.EntityFrameworkCore;
+
+namespace Jiaowu.Api.Tests;
+
+public sealed class WarningRulePersistenceTests
+{
+    [Fact]
+    public async Task SaveRules_PersistsAutoCheck_AndReturnsNumericType()
+    {
+        await using var connection = new SqliteConnection("Data Source=:memory:");
+        await connection.OpenAsync();
+        var options = new DbContextOptionsBuilder<AppDbContext>()
+            .UseSqlite(connection)
+            .Options;
+        await using var db = new AppDbContext(options);
+        await db.Database.EnsureCreatedAsync();
+        var term = new AcademicTerm
+        {
+            Code = "WARN-TERM",
+            Name = "预警测试学期",
+            AcademicYear = "2026-2027",
+            Season = TermSeason.Autumn,
+            StartDate = new DateOnly(2026, 9, 1),
+            EndDate = new DateOnly(2027, 1, 15)
+        };
+        db.AcademicTerms.Add(term);
+        await db.SaveChangesAsync();
+        var controller = new WarningsController(db, new AllDataScope());
+
+        var saveResult = await controller.SaveRules(term.Id,
+        [
+            new WarningRuleDto(
+                WarningType.FailedCredits,
+                "不及格学分",
+                2m,
+                true,
+                true,
+                true,
+                null,
+                true,
+                1,
+                9,
+                30)
+        ], CancellationToken.None);
+
+        Assert.IsType<NoContentResult>(saveResult);
+        db.ChangeTracker.Clear();
+        var persisted = Assert.Single(await db.WarningRules.AsNoTracking().ToListAsync());
+        Assert.True(persisted.AutoCheckEnabled);
+        Assert.Equal(1, persisted.CheckDayOfWeek);
+        Assert.Equal(9, persisted.CheckHour);
+        Assert.Equal(30, persisted.CheckMinute);
+
+        var getResult = await controller.GetRules(term.Id, CancellationToken.None);
+        var ok = Assert.IsType<OkObjectResult>(getResult);
+        var row = Assert.Single(Assert.IsAssignableFrom<IEnumerable>(ok.Value).Cast<object>());
+        var type = row.GetType().GetProperty("Type")?.GetValue(row);
+        Assert.Equal(1, Assert.IsType<int>(type));
+    }
+
+    private sealed class AllDataScope : ICurrentUserDataScope
+    {
+        public CurrentUserScope Current { get; } = new(
+            Guid.NewGuid(),
+            "测试管理员",
+            null,
+            DataScope.All,
+            new HashSet<string>([SystemRoles.SuperAdmin]));
+    }
+}

web/src/views/GradeAnalyticsView.vue

@@ -1,10 +1,11 @@
 <script setup lang="ts">
-import { computed, nextTick, onBeforeUnmount, onMounted, ref, watch } from 'vue'
+import { computed, nextTick, onBeforeUnmount, onMounted, reactive, ref, watch } from 'vue'
-import { Download, Refresh, Search } from '@element-plus/icons-vue'
+import { Download, Refresh, Search, Setting } from '@element-plus/icons-vue'
 import * as echarts from 'echarts'
 import http, { apiErrorMessage } from '../api/http'
 import { downloadApiFile } from '../api/excel'
 import { academicTermLabel, defaultAcademicTermId } from '../utils/academicTerms'
+import { useAuthStore } from '../stores/auth'
 
 interface TeachingClassItem {
   gradeSheetId: string
@@ -25,6 +26,8 @@ interface TeachingClassItem {
 }
 
 const terms = ref<any[]>([])
+const auth = useAuthStore()
+const canManageSchedule = computed(() => auth.user?.roles.some(role => ['SuperAdmin', 'AcademicAdmin'].includes(role)) ?? false)
 const classes = ref<TeachingClassItem[]>([])
 const selected = ref<TeachingClassItem>()
 const report = ref<any>()
@@ -37,6 +40,16 @@ const loading = ref(false)
 const reportLoading = ref(false)
 const exporting = ref(false)
 const historyMetric = ref<'average' | 'passRate' | 'excellentRate'>('average')
+const scheduleDialogVisible = ref(false)
+const scheduleLoading = ref(false)
+const scheduleSaving = ref(false)
+const schedule = reactive({
+  isEnabled: true,
+  intervalMinutes: 5,
+  batchSize: 100,
+  lastRunAt: null as string | null,
+  nextRunAt: null as string | null,
+})
 
 const distributionElement = ref<HTMLElement>()
 const peerAverageElement = ref<HTMLElement>()
@@ -134,6 +147,40 @@ async function refreshStatistics() {
   }
 }
 
+async function openScheduleSettings() {
+  scheduleDialogVisible.value = true
+  scheduleLoading.value = true
+  try {
+    const data = (await http.get('/grade-analytics/refresh-schedule')).data
+    schedule.isEnabled = data.isEnabled
+    schedule.intervalMinutes = Math.max(1, Math.round(data.intervalSeconds / 60))
+    schedule.batchSize = data.batchSize
+    schedule.lastRunAt = data.lastRunAt
+    schedule.nextRunAt = data.nextRunAt
+  } catch (error) {
+    ElMessage.error(apiErrorMessage(error))
+  } finally {
+    scheduleLoading.value = false
+  }
+}
+
+async function saveScheduleSettings() {
+  scheduleSaving.value = true
+  try {
+    await http.put('/grade-analytics/refresh-schedule', {
+      isEnabled: schedule.isEnabled,
+      intervalSeconds: schedule.intervalMinutes * 60,
+      batchSize: schedule.batchSize,
+    })
+    ElMessage.success('成绩统计定时刷新设置已保存')
+    scheduleDialogVisible.value = false
+  } catch (error) {
+    ElMessage.error(apiErrorMessage(error))
+  } finally {
+    scheduleSaving.value = false
+  }
+}
+
 async function exportWordReport() {
   if (!selected.value) return
   exporting.value = true
@@ -307,6 +354,7 @@ onBeforeUnmount(() => {
         <p>对比当前教学班、同课程教学班、学生来源范围与历年成绩；统计仅使用已正式发布成绩。</p>
       </div>
       <div class="intro-actions">
+        <el-button v-if="canManageSchedule" :icon="Setting" @click="openScheduleSettings">定时刷新设置</el-button>
         <el-button
           type="primary"
           :icon="Download"
@@ -318,6 +366,32 @@ onBeforeUnmount(() => {
       </div>
     </section>
 
+    <el-dialog v-model="scheduleDialogVisible" title="成绩统计定时刷新" width="520px">
+      <el-form v-loading="scheduleLoading" label-width="130px">
+        <el-form-item label="启用定时刷新">
+          <el-switch v-model="schedule.isEnabled" />
+        </el-form-item>
+        <el-form-item label="刷新间隔">
+          <el-input-number v-model="schedule.intervalMinutes" :min="1" :max="1440" :disabled="!schedule.isEnabled" />
+          <span class="schedule-unit">分钟</span>
+        </el-form-item>
+        <el-form-item label="单次处理上限">
+          <el-input-number v-model="schedule.batchSize" :min="1" :max="5000" :step="50" :disabled="!schedule.isEnabled" />
+          <span class="schedule-unit">个课程学期</span>
+        </el-form-item>
+        <el-form-item label="运行状态">
+          <div class="schedule-status">
+            <span>上次扫描：{{ schedule.lastRunAt ? new Date(schedule.lastRunAt).toLocaleString('zh-CN') : '尚未运行' }}</span>
+            <span v-if="schedule.isEnabled">下次扫描：{{ schedule.nextRunAt ? new Date(schedule.nextRunAt).toLocaleString('zh-CN') : '启用后将尽快运行' }}</span>
+          </div>
+        </el-form-item>
+      </el-form>
+      <template #footer>
+        <el-button @click="scheduleDialogVisible = false">取消</el-button>
+        <el-button type="primary" :loading="scheduleSaving" @click="saveScheduleSettings">保存设置</el-button>
+      </template>
+    </el-dialog>
+
     <section class="filter-bar">
       <el-select v-model="termId" clearable placeholder="全部学期" style="width: 240px" @change="loadClasses(true)">
         <el-option v-for="term in terms" :key="term.id" :label="academicTermLabel(term)" :value="term.id" />
@@ -461,6 +535,8 @@ onBeforeUnmount(() => {
 .chart-card h4 { margin: 5px 0 0; color: var(--ink); font-size: 16px; }
 .chart-card header p, .chart-caption { min-width: 0; margin: 0; color: #667085; font-size: 11px; text-align: right; }
 .chart-caption { margin-top: 9px; text-align: left; }
+.schedule-unit { margin-left: 10px; color: #667085; font-size: 12px; }
+.schedule-status { display: grid; gap: 3px; color: #667085; font-size: 12px; }
 .chart { height: 310px; margin-top: 10px; }
 .chart-large { height: 360px; }
 @media (max-width: 1180px) {

web/src/views/WarningsView.vue

@@ -6,7 +6,7 @@ import { useAuthStore } from '../stores/auth'
 import { academicTermLabel, academicTermOptionClass, defaultAcademicTermId } from '../utils/academicTerms'
 
 const auth = useAuthStore()
-const isSuperAdmin = computed(() => auth.user?.roles.includes('SuperAdmin'))
+const isWarningManager = computed(() => auth.user?.roles.some(r => ['SuperAdmin', 'AcademicAdmin'].includes(r)) ?? false)
 const isCounselor = computed(() => auth.user?.roles.includes('Counselor') && !auth.user?.roles.some(r => ['SuperAdmin', 'AcademicAdmin', 'CollegeAdmin'].includes(r)))
 const isStudent = computed(() => auth.user?.roles.includes('Student') && !auth.user?.roles.some(r => ['SuperAdmin', 'AcademicAdmin', 'CollegeAdmin', 'Counselor'].includes(r)))
 
@@ -43,11 +43,11 @@ const ruleRows = reactive([
 async function load() {
   loading.value = true
   try {
-    if (isSuperAdmin.value && termId.value) {
+    if (isWarningManager.value && termId.value) {
       const serverRules = (await http.get('/warnings/rules', { params: { academicTermId: termId.value } })).data
       // Merge server values into reactive rows
       for (const row of ruleRows) {
-        const sr = serverRules.find((r: any) => r.type === row.type)
+        const sr = serverRules.find((r: any) => Number(r.type) === row.type)
         if (sr) {
           row.threshold = sr.threshold
           row.isEnabled = sr.isEnabled
@@ -62,7 +62,7 @@ async function load() {
         }
       }
     }
-    if (isSuperAdmin.value || isCounselor.value)
+    if (isWarningManager.value || isCounselor.value)
       records.value = (await http.get('/warnings/records', { params: { academicTermId: termId.value || undefined, type: filterType.value || undefined } })).data
     if (isStudent.value) myWarnings.value = (await http.get('/warnings/my-warnings')).data
   } catch (e) { ElMessage.error(apiErrorMessage(e)) } finally { loading.value = false }
@@ -72,6 +72,7 @@ async function saveRules() {
   try {
     const payload = ruleRows.map(r => ({ type: r.type, name: r.name, threshold: r.threshold, isEnabled: r.isEnabled, notifyStudent: r.notifyStudent, notifyCounselor: r.notifyCounselor, description: r.description, autoCheckEnabled: r.autoCheckEnabled, checkDayOfWeek: r.checkDayOfWeek, checkHour: r.checkHour, checkMinute: r.checkMinute }))
     await http.put('/warnings/rules', payload, { params: { academicTermId: termId.value } })
+    await load()
     ElMessage.success('预警规则已保存')
   } catch (e) { ElMessage.error(apiErrorMessage(e)) }
 }
@@ -102,7 +103,7 @@ onMounted(async () => {
 <template>
   <div class="page-stack warn-page">
     <section class="page-intro">
-      <div><span class="section-kicker">ACADEMIC WARNING</span><h2>{{ isStudent ? '我的预警' : '学业预警' }}</h2><p>{{ isSuperAdmin ? '配置预警规则，执行检测，查看预警记录。' : isCounselor ? '查看所管学生的学业预警情况。' : '查看并确认您的学业预警通知。' }}</p></div>
+      <div><span class="section-kicker">ACADEMIC WARNING</span><h2>{{ isStudent ? '我的预警' : '学业预警' }}</h2><p>{{ isWarningManager ? '配置预警规则，执行检测，查看预警记录。' : isCounselor ? '查看所管学生的学业预警情况。' : '查看并确认您的学业预警通知。' }}</p></div>
       <div style="display:flex;gap:8px;align-items:center">
         <el-select v-model="termId" clearable @change="load" style="width:240px"><el-option v-for="t in terms" :key="t.id" :label="academicTermLabel(t)" :value="t.id" :class="academicTermOptionClass(t)" /></el-select>
         <el-button :icon="Refresh" @click="load">刷新</el-button>
@@ -110,7 +111,7 @@ onMounted(async () => {
     </section>
 
     <!-- Admin: Rule config -->
-    <section v-if="isSuperAdmin && termId" class="warn-rules">
+    <section v-if="isWarningManager && termId" class="warn-rules">
       <div style="display:flex;justify-content:space-between;align-items:center;margin-bottom:12px">
         <h3 style="margin:0">预警规则配置</h3>
         <div>
@@ -160,7 +161,7 @@ onMounted(async () => {
     </section>
 
     <!-- Records -->
-    <section v-if="isSuperAdmin || isCounselor" v-loading="loading" class="warn-records">
+    <section v-if="isWarningManager || isCounselor" v-loading="loading" class="warn-records">
       <div style="display:flex;gap:12px;align-items:center;margin-bottom:12px">
         <h3 style="margin:0">预警记录</h3>
         <el-select v-model="filterType" clearable placeholder="全部类型" @change="load" style="width:140px"><el-option v-for="(v,k) in typeLabels" :key="k" :label="v" :value="Number(k)" /></el-select>