close curl

app/Lib/Client/CurlClient.php

@@ -98,6 +98,7 @@ class CurlClient
             curl_setopt($http, CURLOPT_POSTFIELDS, $this->data);
         }
         $res = curl_exec($http);
+        curl_close($http);
         unset($http);
         if ($res == false) {
             throw new \Exception("服务器无反应,请稍候再试");