diff --git a/backend/app/service/FeishuNotificationService.php b/backend/app/service/FeishuNotificationService.php
index a7e52e2..f235e04 100644
--- a/backend/app/service/FeishuNotificationService.php
+++ b/backend/app/service/FeishuNotificationService.php
@@ -643,7 +643,7 @@ class FeishuNotificationService
 
             error_log('📤 发送文本消息: feishu_user_id=' . $feishuUserId . ', text=' . substr($text, 0, 100));
 
-            $response = HttpClient::post($apiUrl, $requestData, [
+            $response = \app\util\HttpClient::httpPost($apiUrl, $requestData, [
                 'Authorization: Bearer ' . $accessToken,
             ]);