diff --git a/app/controller/Message.php b/app/controller/Message.php
index f36e0b1..18cbd52 100644
--- a/app/controller/Message.php
+++ b/app/controller/Message.php
@@ -56,10 +56,11 @@ class Message extends BaseController
             return json(['code' => -1, 'data' => null, 'msg' => '消息过长，最多500字']);
         }
 
-        // 拒单禁聊：订单已取消(status=3)禁止发送
+        // 拒单禁聊+结单禁聊：订单已取消(status=3)或已完成(status=2)禁止发送
         $order = \app\model\Order::where('card_no', $cardNo)->order('id', 'desc')->find();
-        if ($order && intval($order->status) === 3) {
-            return json(['code' => -1, 'data' => null, 'msg' => '订单已取消，会话已结束']);
+        if ($order && (intval($order->status) === 3 || intval($order->status) === 2)) {
+            $msg = $order->status === 3 ? '订单已取消，会话已结束' : '订单已完成，会话已结束';
+            return json(['code' => -1, 'data' => null, 'msg' => $msg]);
         }
 
         // 存储原始文本，Vue 模板 {{ }} 自动转义防 XSS