diff --git a/wchat/common/HttpClient.php b/wchat/common/HttpClient.php
index 2cdd823..df0cfde 100644
--- a/wchat/common/HttpClient.php
+++ b/wchat/common/HttpClient.php
@@ -341,7 +341,6 @@ class HttpClient
 	 */
 	private function coroutine($ip, $url, $data = [])
 	{
-		echo $ip . ':' . $url . PHP_EOL;
 		$client = $this->generate_client($ip, $url, $data);
 		if ($client->statusCode < 0) {
 			throw new \Exception($client->errMsg);
@@ -581,6 +580,7 @@ class HttpClient
 	{
 		$this->setIsSSL(false);
 		$this->setHeaders([]);
+		$this->setData(null);
 
 		if ($this->callback !== NULL) {
 			$result = call_user_func($this->callback, $body, $_data, $header);