diff --git a/wx/WxClient.php b/wx/WxClient.php
index 8606db1..82d9c28 100644
--- a/wx/WxClient.php
+++ b/wx/WxClient.php
@@ -214,6 +214,9 @@ class WxClient
 	{
 		$ch = curl_init();
 		if ($this->method == self::GET) {
+			if (is_array($_data)) {
+				$_data = http_build_query($_data);
+			}
 			$url = $url . '?' . $_data;
 		}