事情是这样的，我手上一套程序，有一个短信验证码功能，现在搭建出来，发送验证码显示这样

我刚开始以为是修改代码可能误删了某些文件，但是我去找以前能正常使用的源代码部署出来也是这个效果，短信接口调试都是正常的，唯独这个点击发送验证码就连接服务器失败，并且还有一个用户xia dan短信通知我的，也不会发送了，就很迷，求助大神们看看555~

 $host = "https://cxkjsms.market.alicloudapi.com";
    $path = "/chuangxinsms/dxjk";
    $method = "POST";
    $appcode = "8324d57716e84d518532ac4631fe6a04";//开通服务后 买家中心-查看AppCode
    $headers = array();
    array_push($headers, "Authorization:APPCODE " . $appcode);
    $bodys = "";
    $url = $host . $path . "?" . $querys;

    $curl = curl_init();
    curl_setopt($curl, CURLOPT_CUSTOMREQUEST, $method);
    curl_setopt($curl, CURLOPT_URL, $url);
    curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
    curl_setopt($curl, CURLOPT_FAILONERROR, false);
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($curl, CURLOPT_HEADER, true);
    if (1 == strpos("$".$host, "https://"))
    {
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
    }
    var_dump(curl_exec($curl));

   }//获取手机短信验证码
    elseif($mod == "login"){
        $type = daddslashes($_POST['type']);
        $shouji = daddslashes($_POST['shouji']);
        $pass = daddslashes($_POST['pass']);
        $code = daddslashes($_POST['code']);
        if($results){
            if($results['response'] == 1){
                if($type == 1){
                    if($shouji == "" || $code == ""){
                        $result = array("code"=>-1,"msg"=>"手机号或验证码不能为空！");
                    }elseif(!preg_match("/^1[34578]{1}\d{9}$/",$shouji)){
                        $result = array("code"=>-2,"msg"=>"手机号不合法！");
                    }elseif($code != $_SESSION['code']){
                        $result = array("code"=>-3,"msg"=>"验证码错误！");
                    }else{
                        $result = array("code"=>0,"msg"=>"验证成功,请稍后...");
                        $_SESSION['Mao_login'] = 1;
                        $_SESSION['user'] = $shouji;
                        unset($_SESSION['code']);
                    }
                }elseif($type == 2){
                    $cha_1 = $DB->get_row("select * from mao_user where M_id='{$mao['id']}' and users='{$shouji}' limit 1");
                    if($shouji == "" || $pass == ""){
                        $result = array("code"=>-1,"msg"=>"手机号或密码不能为空！");
                    }elseif(!preg_match("/^1[34578]{1}\d{9}$/",$shouji)){
                        $result = array("code"=>-2,"msg"=>"手机号不合法！");
                    }elseif(!$cha_1){
                        $result = array("code"=>-3,"msg"=>"未设置登陆密码,请使用短信验证码登陆！");
                    }else{
                        if($cha_1['pass'] == $pass){
                            $result = array("code"=>0,"msg"=>"验证成功,请稍后...");
                            $_SESSION['Mao_login'] = 1;
                            $_SESSION['user'] = $cha_1['users'];
                            unset($_SESSION['code']);
                        }else{
                            $result = array("code"=>-4,"msg"=>"登陆密码错误！");
                        }
                    }
                }else{
                    $result=array("code"=>-2000,"msg"=>"非法操作已记录信息！");
                }
            }else{
                $result=array("code"=>-2000,"msg"=>"[{$results['response']}],{$results['err_msg']}");
            }
        }else{
            $result=array("code"=>-2000,"msg"=>"验证失败！");
        }
        exit(json_encode($result));

 $host = "https://cxkjsms.market.alicloudapi.com";
    $path = "/chuangxinsms/dxjk";
    $method = "POST";
    $appcode = "8324d57716e84d518532ac4";//开通服务后 买家中心-查看AppCode
    $headers = array();
    array_push($headers, "Authorization:APPCODE " . $appcode);
    $bodys = "";
    $url = $host . $path . "?" . $querys;

    $curl = curl_init();
    curl_setopt($curl, CURLOPT_CUSTOMREQUEST, $method);
    curl_setopt($curl, CURLOPT_URL, $url);
    curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
    curl_setopt($curl, CURLOPT_FAILONERROR, false);
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($curl, CURLOPT_HEADER, true);
    if (1 == strpos("$".$host, "https://"))
    {
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
    }
    var_dump(curl_exec($curl));

麻烦各位大神有空帮我看下哪里的问题