diff --git a/WePayV3/Complaints.php b/WePayV3/Complaints.php
index f4e9659..588370b 100644
--- a/WePayV3/Complaints.php
+++ b/WePayV3/Complaints.php
@@ -100,7 +100,7 @@ class Complaints extends BasicWePay
      * @return array|string
      * @throws \WeChat\Exceptions\InvalidResponseException
      */
-    public function replyInfo(String $complaint_id, String $content)
+    public function replyInfo(String $complaint_id, array $content)
     {
         $content['complainted_mchid'] = $this->config['mch_id'];
         $pathinfo = "/v3/merchant-service/complaints-v2/{$complaint_id}/response";