diff --git a/app/ticket/service/ConversationService.php b/app/ticket/service/ConversationService.php
index b07ef3c..d326d6b 100644
--- a/app/ticket/service/ConversationService.php
+++ b/app/ticket/service/ConversationService.php
@@ -86,7 +86,7 @@ class ConversationService
             $notice = ['sender_id' => 0,                  //发送人ID 0默认系统
                 'sender_type' => 'system',           //发送者类型 user admin system
                 'title' => $title,   //标题
-                'content' => $reply . $tiket_content,   //内容
+                'content' => ($reply??'') . $tiket_content,   //内容
                 'scene' => 1,                  //场景 0系统公共 1系统通知
                 'recipient' => $notice_user_id,                //接收人 空为全部
                 'push_method' => 0                    //推送方式0系统推送1手动推送