diff --git a/src/Jiaowu.Api/Controllers/CourseAdjustmentsController.cs b/src/Jiaowu.Api/Controllers/CourseAdjustmentsController.cs
index 6c4bc77..2377af2 100644
--- a/src/Jiaowu.Api/Controllers/CourseAdjustmentsController.cs
+++ b/src/Jiaowu.Api/Controllers/CourseAdjustmentsController.cs
@@ -3,6 +3,7 @@ using Jiaowu.Api.Domain.Academic;
 using Jiaowu.Api.Domain.Identity;
 using Jiaowu.Api.Infrastructure.Auth;
 using Jiaowu.Api.Infrastructure.Persistence;
+using Jiaowu.Api.Infrastructure.Timetables;
 using Jiaowu.Api.Infrastructure.Scheduling;
 using Jiaowu.Api.Infrastructure.Teaching;
 using Microsoft.AspNetCore.Authorization;
@@ -286,6 +287,8 @@ public sealed class CourseAdjustmentsController(
 
         db.CourseAdjustments.Add(adj);
         await db.SaveChangesAsync(cancellationToken);
+        await new PublishedTimetableProjectionService(db)
+            .RebuildPublishedPlansForTaskAsync(adj.TeachingTaskId, cancellationToken);
 
         if (request.Submit)
         {
diff --git a/src/Jiaowu.Api/Infrastructure/Timetables/PublishedTimetableProjectionService.cs b/src/Jiaowu.Api/Infrastructure/Timetables/PublishedTimetableProjectionService.cs
index 3465c9d..72d3534 100644
--- a/src/Jiaowu.Api/Infrastructure/Timetables/PublishedTimetableProjectionService.cs
+++ b/src/Jiaowu.Api/Infrastructure/Timetables/PublishedTimetableProjectionService.cs
@@ -6,6 +6,17 @@ namespace Jiaowu.Api.Infrastructure.Timetables;
 
 public sealed class PublishedTimetableProjectionService(AppDbContext db)
 {
+    public async Task RebuildPublishedPlansForTaskAsync(Guid teachingTaskId, CancellationToken cancellationToken)
+    {
+        var plans = await db.SchedulePlans
+            .Where(plan => plan.Status == SchedulePlanStatus.Published &&
+                plan.Entries.Any(entry => entry.TeachingTaskId == teachingTaskId))
+            .Include(plan => plan.Entries)
+            .ToListAsync(cancellationToken);
+        foreach (var plan in plans)
+            await RebuildAsync(plan, cancellationToken);
+    }
+
     public async Task RebuildAsync(SchedulePlan plan, CancellationToken cancellationToken)
     {
         var previous = db.PublishedScheduleOccurrences.Where(x => x.SchedulePlanId == plan.Id);