diff --git a/controllers/TicketsController.php b/controllers/TicketsController.php
index 2e7e6be..d644b40 100644
--- a/controllers/TicketsController.php
+++ b/controllers/TicketsController.php
@@ -75,6 +75,11 @@ class TicketsController extends Controller
      */
     public function actionView(int $id): string
     {
+        //check if this ticket belongs to current user
+        $ticket = Tickets::findOne(['id' => $id, 'user_id' => Yii::$app->user->id]);
+        if ($ticket === null) {
+            throw new NotFoundHttpException('The requested page does not exist.');
+        }
         //fetch all replies for this ticket
         $ticketReplies = $this->findTicketReplies($id);
         //json
@@ -134,33 +139,12 @@ class TicketsController extends Controller
         ]);
     }
 
-    /**
-     * Updates an existing Tickets model.
-     * If update is successful, the browser will be redirected to the 'view' page.
-     * @param int $id 工单id
-     * @return string|Response
-     * @throws NotFoundHttpException if the model cannot be found
-     */
-    public function actionUpdate(int $id): Response|string
-    {
-        $model = $this->findModel($id);
-
-        if ($this->request->isPost && $model->load($this->request->post()) && $model->save()) {
-            return $this->redirect(['view', 'id' => $model->id]);
-        }
-
-        return $this->render('update', [
-            'model' => $model,
-        ]);
-    }
-
     /**
      * NoNoNo, you can't delete a ticket. Just close it.
      * @param int $id 工单id
+     * @param string $from
      * @return Response
      * @throws NotFoundHttpException if the model cannot be found
-     * @throws \Throwable
-     * @throws StaleObjectException
      */
     public function actionDelete(int $id,string $from = 'unset'): Response
     {
@@ -192,6 +176,7 @@ class TicketsController extends Controller
      * Ticket reply action
      * For user
      * @return Response
+     * @throws NotFoundHttpException
      */
     public function actionReply(): Response
     {
diff --git a/models/TicketReplies.php b/models/TicketReplies.php
index d9c2a9b..b4a5796 100644
--- a/models/TicketReplies.php
+++ b/models/TicketReplies.php
@@ -84,11 +84,13 @@ class TicketReplies extends ActiveRecord
 
     public function toArray(array $fields = [], array $expand = [], $recursive = true): array
     {
+        $currentUserId = Yii::$app->user->id; // 获取当前用户ID
+        $name = ($this->user->id === $currentUserId) ? '您' : $this->user->username; // 判断是否是当前用户
 
         return [
             'id' => $this->id,
             'ticket_id' => $this->ticket_id,
-            'name' => ($this->is_admin === 1) ? $this->user->username : '您',
+            'name' => $name,
             'message' => $this->message,
             'created_at' => $this->created_at,
             'ip' => $this->ip,