diff --git a/includes/huayi-score-sdk.php b/includes/huayi-score-sdk.php
index c908886..7de3c54 100644
--- a/includes/huayi-score-sdk.php
+++ b/includes/huayi-score-sdk.php
@@ -37,6 +37,7 @@ class HuayiScoreSdk
             ];
         $response = $this->postRequest($url, $data);
         if (!$response) {//请求失败
+            $this->error = '接口请求失败';
             return false;
         } elseif ($response['code'] == 1) {//请求成功
             return $response;