diff --git a/wchat/common/HttpClient.php b/wchat/common/HttpClient.php
index 167d987..3b0ced8 100644
--- a/wchat/common/HttpClient.php
+++ b/wchat/common/HttpClient.php
@@ -475,6 +475,8 @@ class HttpClient
 		if (!empty($this->_data)) {
 			$client->setData($this->_data);
 		}
+
+		$url = ltrim($url, '/');
 		if (strtolower($this->method) == self::GET) {
 			if (!empty($data)) {
 				$url .= '?' . $data;