diff --git a/backend/internal/handler/api/v1/shangwutong_connector_handler_test.go b/backend/internal/handler/api/v1/shangwutong_connector_handler_test.go
index 29d570f2..2820c626 100644
--- a/backend/internal/handler/api/v1/shangwutong_connector_handler_test.go
+++ b/backend/internal/handler/api/v1/shangwutong_connector_handler_test.go
@@ -2,6 +2,7 @@ package v1
 
 import (
 	"bytes"
+	"context"
 	"crypto/sha256"
 	"encoding/hex"
 	"encoding/json"
@@ -18,6 +19,7 @@ import (
 	channelmodel "github.com/gochat/gochat/internal/model/channel"
 	"github.com/gochat/gochat/internal/repository"
 	"github.com/gochat/gochat/internal/service"
+	"github.com/gochat/gochat/internal/worker"
 	"github.com/stretchr/testify/require"
 	"gorm.io/driver/sqlite"
 	"gorm.io/gorm"
@@ -137,6 +139,21 @@ func TestShangwutongConnectorContactMetadataIsScopedAndIdempotent(t *testing.T)
 	require.Equal(t, http.StatusOK, response.Code, response.Body.String())
 	require.NoError(t, db.First(ci, ci.ID).Error)
 	require.JSONEq(t, `{"cid":"cid-1"}`, string(ci.ChannelMetadata))
+
+	workers := worker.NewWorkerPool(db)
+	dispatcher := channel.NewDispatcher(workers)
+	dispatcher.Register(service.NewShangwutongContactListener(db, workers))
+	contacts := service.NewContactService(repository.NewContactRepo(db), nil, nil)
+	contacts.SetWorkerPool(workers)
+	_, err := contacts.Update(context.Background(), inbox.AccountID, contact.ID, service.UpdateContactRequest{Name: "Renamed"})
+	require.NoError(t, err)
+	processed, err := workers.ProcessOne(context.Background())
+	require.NoError(t, err)
+	require.True(t, processed)
+	var job model.BackgroundJob
+	require.NoError(t, db.Where("job_type = ?", service.TaskTypeShangwutongWebhookDelivery).First(&job).Error)
+	require.Contains(t, string(job.Payload), `"cid":"cid-1"`)
+	require.Contains(t, string(job.Payload), `"contact_name":"Renamed"`)
 }
 
 func setupShangwutongConnectorAPI(t *testing.T) (*gin.Engine, *gorm.DB, string, *model.Inbox, *model.Inbox) {
diff --git a/backend/internal/service/shangwutong_contact_sync_test.go b/backend/internal/service/shangwutong_contact_sync_test.go
index f708844b..8f6ee839 100644
--- a/backend/internal/service/shangwutong_contact_sync_test.go
+++ b/backend/internal/service/shangwutong_contact_sync_test.go
@@ -31,6 +31,21 @@ func TestContactUpdateQueuesDurableShangwutongEvent(t *testing.T) {
 	require.Equal(t, contact.ID, event.ContactID)
 }
 
+func TestContactUpdateRollsBackWhenDurableEventCannotBeQueued(t *testing.T) {
+	db := setupServiceTestDB(t)
+	account := createTestAccount(t, db)
+	contact := &model.Contact{AccountID: account.ID, Name: "旧昵称"}
+	require.NoError(t, db.Create(contact).Error)
+	svc := NewContactService(repository.NewContactRepo(db), nil, repository.NewNoteRepo(db))
+	svc.SetWorkerPool(worker.NewWorkerPool(db))
+	require.NoError(t, db.Migrator().DropTable(&model.BackgroundJob{}))
+
+	_, err := svc.Update(context.Background(), account.ID, contact.ID, UpdateContactRequest{Name: "新昵称"})
+	require.Error(t, err)
+	require.NoError(t, db.First(contact, contact.ID).Error)
+	require.Equal(t, "旧昵称", contact.Name)
+}
+
 func TestShangwutongContactListenerQueuesOnlyCIDBoundInboxes(t *testing.T) {
 	db := setupServiceTestDB(t)
 	account := createTestAccount(t, db)