diff --git a/wchat/common/HttpClient.php b/wchat/common/HttpClient.php
index cce326f..3fbce0e 100644
--- a/wchat/common/HttpClient.php
+++ b/wchat/common/HttpClient.php
@@ -662,6 +662,8 @@ class HttpClient
         }
         curl_setopt($ch, CURLOPT_HEADER, true);
 
+        var_dump($this->parseHeaderMat());
+
         if ($headers = $this->parseHeaderMat()) {
             curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
         }