diff --git a/wchat/common/HttpClient.php b/wchat/common/HttpClient.php
index 48a9961..db0755a 100644
--- a/wchat/common/HttpClient.php
+++ b/wchat/common/HttpClient.php
@@ -465,10 +465,12 @@ class HttpClient
 			}
 			echo $url . PHP_EOL;
 			if ($this->method != self::GET) {
-				var_dump($this->_data, $data);
 				if (!empty($this->_data)) {
 					curl_setopt($ch, CURLOPT_POSTFIELDS, $this->_data);
 				} else {
+					if (is_array($data)) {
+						$data = http_build_query($data);
+					}
 					curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
 				}
 			}