add clear

wx/Miniprogarampage.php

@@ -25,11 +25,8 @@ abstract class Miniprogarampage
 	 */
 	private function __construct()
 	{
-		if (!($this->request instanceof WxClient)) {
-			$this->request = new WxClient();
-		}
+		$this->request = WxClient::getInstance();
 		$this->request->setIsSSL(true);
-		$this->request->setAgent($this->config->getAgent());
 	}
 
 	/**
@@ -42,6 +39,7 @@ abstract class Miniprogarampage
 			static::$instance = new static();
 		}
 		static::$instance->config = $config;
+		static::$instance->request->setAgent($config->getAgent());
 		return static::$instance;
 	}
 

wx/Wx.php

@@ -91,4 +91,15 @@ class Wx
 	{
 		return Notify::getInstance($this->config);
 	}
+
+	/**
+	 * @return WxClient
+	 */
+	public function getClient()
+	{
+		$client = WxClient::getInstance();
+		$client->setAgent($this->config->getAgent());
+		return $client;
+	}
+
 }

wx/WxClient.php

@@ -23,6 +23,23 @@ class WxClient
 	const DELETE = 'delete';
 	const OPTIONS = 'option';
 
+	private static $_instance;
+
+	private function __construct()
+	{
+	}
+
+	/**
+	 * @return WxClient
+	 */
+	public static function getInstance()
+	{
+		if (!(static::$_instance instanceof WxClient)) {
+			static::$_instance = new WxClient();
+		}
+		return static::$_instance;
+	}
+
 	/**
 	 * @param string $host
 	 */