change sms api timeout to 30 seconds

themes/tajian/controller/FrontapiController.php

@@ -598,7 +598,7 @@ eof;
                 $params['sign'] = $this->sign($params, FSC::$app['config']['service_3rd_api_key']);
 
                 $api = FSC::$app['config']['service_3rd_api_domain'] . '/aliyun/sendverifycode/';
-                $timeout = 10;
+                $timeout = 30;      //api请求超时时长
                 $pc = false;
                 $headers = array("Content-Type: application/json");
                 //以json格式post数据