diff --git a/wchat/common/HttpClient.php b/wchat/common/HttpClient.php
index 7ece337..0c9e20b 100644
--- a/wchat/common/HttpClient.php
+++ b/wchat/common/HttpClient.php
@@ -317,6 +317,10 @@ class HttpClient
 			return false;
 		}
 
+		if (!empty($this->host)) {
+			return $string;
+		}
+
 		if ($this->isHttp($string)) {
 			$string = str_replace('http://', '', $string);
 			$hostAndUrls = explode('/', $string);
@@ -346,7 +350,6 @@ class HttpClient
 			$this->host = System::gethostbyname($this->host);
 		}
 
-		var_dump($this->host,$string);
 		if (!$this->checkIsIp($this->host) && !$this->isDomainName($this->host)) {
 			throw new Exception('Client Host error.');
 		}