diff --git a/app/Http/Controllers/Mobile/SupplyDemandController.php b/app/Http/Controllers/Mobile/SupplyDemandController.php
index 9d6b772..61a9199 100755
--- a/app/Http/Controllers/Mobile/SupplyDemandController.php
+++ b/app/Http/Controllers/Mobile/SupplyDemandController.php
@@ -247,7 +247,7 @@ class SupplyDemandController extends CommonController
         if (empty($dialogue)) {
             // 不能给自己发信息
             if ($all['to_user_id'] == $this->getUserId()) {
-                return $this->error('不能给自己发信息');
+                return $this->fail([ResponseCode::ERROR_BUSINESS, '不能给自己发信息']);
             }
             // 创建一条会话
             $dialogue = Dialogue::create([