diff --git a/server/kafka_workbench_events.go b/server/kafka_workbench_events.go
index ddbaeb6..8ff2076 100644
--- a/server/kafka_workbench_events.go
+++ b/server/kafka_workbench_events.go
@@ -67,13 +67,14 @@ func executeKafkaWorkbenchEvent(event kafkaWorkbenchEvent) error {
 	if err != nil {
 		return err
 	}
+	notificationEnabled := event.shouldCreateNotification()
 	pushTargets := make(map[types.Uid]push.Recipient)
 	for _, targetID := range event.TargetUserIDs {
 		target := store.EncodeUid(targetID)
 		if target.IsZero() {
 			continue
 		}
-		if target != actor && event.Title != "" {
+		if notificationEnabled && target != actor && event.Title != "" {
 			action := event.notificationAction()
 			if err = createIMSystemNotification(event.TenantID, target, stableIMEventID(event.EventID, "notification", target.UserId()),
 				event.Action, event.Title, event.Summary, action); err != nil && err != types.ErrDuplicate {
@@ -133,6 +134,15 @@ func (e kafkaWorkbenchEvent) realtimePayload() (map[string]any, error) {
 	return payload, nil
 }
 
+func (e kafkaWorkbenchEvent) shouldCreateNotification() bool {
+	switch e.Action {
+	case "workbench.ai.task.updated":
+		return false
+	default:
+		return true
+	}
+}
+
 func (e kafkaWorkbenchEvent) notificationAction() types.KVMap {
 	action := types.KVMap{
 		"module":      e.Module,
diff --git a/server/kafka_workbench_events_test.go b/server/kafka_workbench_events_test.go
new file mode 100644
index 0000000..120fdfe
--- /dev/null
+++ b/server/kafka_workbench_events_test.go
@@ -0,0 +1,45 @@
+package main
+
+import (
+	"testing"
+
+	"github.com/tinode/chat/server/store"
+)
+
+func TestExecuteKafkaWorkbenchAITaskEventSkipsNotification(t *testing.T) {
+	oldSecurity := store.Security
+	security := &testUserSecurityStore{}
+	store.Security = security
+	t.Cleanup(func() {
+		store.Security = oldSecurity
+	})
+
+	event := kafkaWorkbenchEvent{
+		EventID:       "wbe_ai_1",
+		TenantID:      7,
+		ActorUserID:   1,
+		Module:        "ai",
+		Action:        "workbench.ai.task.updated",
+		ResourceID:    "aitask_1",
+		TargetUserIDs: []int64{2},
+		Title:         "AI 任务完成",
+		Summary:       "表格分析已完成",
+		Data: map[string]any{
+			"task_id":     "aitask_1",
+			"feature":     "smart_table",
+			"status":      "succeeded",
+			"result_type": "record",
+			"record_id":   "airec_1",
+		},
+	}
+	if event.shouldCreateNotification() {
+		t.Fatal("ai task event must be realtime-only")
+	}
+	err := executeKafkaWorkbenchEvent(event)
+	if err != nil {
+		t.Fatalf("executeKafkaWorkbenchEvent returned error: %v", err)
+	}
+	if len(security.notifications) != 0 {
+		t.Fatalf("ai task event should not create offline notification: %#v", security.notifications)
+	}
+}