merhaba formda bir tane resim var yazılar üzer,nde değişiklik yapıp güncelle dediğimde resim kayboluyor muhtemelen boş dönüyor mevcut resmi nasıl korurum.

if (isset($_POST['ortahaberkaydet'])) {

    $uploads_dir = 'images/';
    $tmp_name = $_FILES['ortahaber_videoresim']["tmp_name"];
    $name = $_FILES['ortahaber_videoresim']["name"];
    $refimgyol=substr($uploads_dir, 6)."images/".$name;
    move_uploaded_file($tmp_name, "$uploads_dir/$name");
    

    if (!empty($_FILES['ortahaber_videoresim'])) {
        $ayarkaydet=$db->prepare("UPDATE ortahaber SET
            ortahaber_baslik=:ortahaber_baslik,
            ortahaber_kbaslik=:ortahaber_kbaslik,
            ortahaber_mbaslik=:ortahaber_mbaslik,
            ortahaber_icerik=:ortahaber_icerik,
            ortahaber_buton=:ortahaber_buton,
            ortahaber_videoresim=:resim1,
            ortahaber_video=:ortahaber_video
            WHERE ortahaber_id=1");
        $update=$ayarkaydet->execute(array(
            'ortahaber_baslik' => $_POST['ortahaber_baslik'],
            'ortahaber_kbaslik' => $_POST['ortahaber_kbaslik'],
            'ortahaber_mbaslik' => $_POST['ortahaber_mbaslik'],
            'ortahaber_icerik' => $_POST['ortahaber_icerik'],
            'ortahaber_buton' => $_POST['ortahaber_buton'],
            'ortahaber_video' => $_POST['ortahaber_video'],
            'resim1' => $refimgyol
        ));
    }else{
        $ayarkaydet=$db->prepare("UPDATE ortahaber SET
            ortahaber_baslik=:ortahaber_baslik,
            ortahaber_kbaslik=:ortahaber_kbaslik,
            ortahaber_mbaslik=:ortahaber_mbaslik,
            ortahaber_icerik=:ortahaber_icerik,
            ortahaber_buton=:ortahaber_buton,
            ortahaber_video=:ortahaber_video
            WHERE ortahaber_id=1");
        $update=$ayarkaydet->execute(array(
            'ortahaber_baslik' => $_POST['ortahaber_baslik'],
            'ortahaber_kbaslik' => $_POST['ortahaber_kbaslik'],
            'ortahaber_mbaslik' => $_POST['ortahaber_mbaslik'],
            'ortahaber_icerik' => $_POST['ortahaber_icerik'],
            'ortahaber_buton' => $_POST['ortahaber_buton'],
            'ortahaber_video' => $_POST['ortahaber_video']
        ));
    }


    if ($update) {

        Header("Location:../production/ortahaber.php?durum=ok");

    } else {

        Header("Location:../production/ortahaber.php?durum=no");
    }

}
                            <form action="../netting/islem.php" method="POST" id="demo-form2" data-parsley-validate class="form-horizontal form-label-left" enctype="multipart/form-data">

                                <div class="form-group">
                                    <label class="control-label col-md-2 col-sm-2 col-xs-12" for="first-name">Ortahaber Başlık<span class="">*</span>
                                    </label>
                                    <div class="col-md-9 col-sm-9 col-xs-12">
                                        <input type="text" id="ortahaber_baslik" name="ortahaber_baslik" value="<?php echo $ortahabercek['ortahaber_baslik']; ?>" class="form-control col-md-7 col-xs-12">
                                    </div>
                                </div>

                                <div class="form-group">
                                    <label class="control-label col-md-2 col-sm-2 col-xs-12" for="first-name">Ortahaber Küçük Başlık<span class="">*</span>
                                    </label>
                                    <div class="col-md-9 col-sm-9 col-xs-12">
                                        <input type="text" id="ortahaber_kbaslik" name="ortahaber_kbaslik" value="<?php echo $ortahabercek['ortahaber_kbaslik']; ?>" class="form-control col-md-7 col-xs-12">
                                    </div>
                                </div>

                                <div class="form-group">
                                    <label class="control-label col-md-2 col-sm-2 col-xs-12" for="first-name">Ortahaber Medium Başlık<span class="">*</span>
                                    </label>
                                    <div class="col-md-9 col-sm-9 col-xs-12">
                                        <input type="text" id="ortahaber_mbaslik" name="ortahaber_mbaslik" value="<?php echo $ortahabercek['ortahaber_mbaslik']; ?>" class="form-control col-md-7 col-xs-12">
                                    </div>
                                </div>

                                <div class="form-group">
                                    <label class="control-label col-md-2 col-sm-2 col-xs-12" for="first-name">Ortahaber İçerik<span class="">*</span>
                                    </label>
                                    <div class="col-md-9 col-sm-9 col-xs-12">
                                        <textarea  class="ckeditor" id="editor1" name="ortahaber_icerik"><?php echo $ortahabercek['ortahaber_icerik']; ?></textarea>
                                    </div>
                                </div>
                                <script type="text/javascript">


                                    CKEDITOR.replace( 'editor1',
                                    {
                                        filebrowserBrowseUrl : 'ckfinder/ckfinder.html',
                                        filebrowserImageBrowseUrl : 'ckfinder/ckfinder.html?type=Images',
                                        filebrowserFlashBrowseUrl : 'ckfinder/ckfinder.html?type=Flash',
                                        filebrowserUploadUrl : 'ckfinder/core/connector/php/connector.php?command=QuickUpload&type=Files',
                                        filebrowserImageUploadUrl : 'ckfinder/core/connector/php/connector.php?command=QuickUpload&type=Images',
                                        filebrowserFlashUploadUrl : 'ckfinder/core/connector/php/connector.php?command=QuickUpload&type=Flash',
                                        forcePasteAsPlainText: true
                                    }
                                    );
                                </script>

                                <div class="form-group">
                                    <label class="control-label col-md-2 col-sm-2 col-xs-12" for="first-name">Buton Yazı<span class="">*</span>
                                    </label>
                                    <div class="col-md-9 col-sm-9 col-xs-12">
                                        <input type="text" id="ortahaber_buton" name="ortahaber_buton" value="<?php echo $ortahabercek['ortahaber_buton']; ?>" class="form-control col-md-7 col-xs-12">
                                    </div>
                                </div>
              

                <div class="form-group">
                  <label class="control-label col-md-3 col-sm-3 col-xs-12" for="first-name"><span class=""></span>
                  </label>
                  <div class="col-md-6 col-sm-6 col-xs-12">                    
                  </div>
                </div>

                <div class="form-group">
                                    <label class="control-label col-md-2 col-sm-2 col-xs-12" for="first-name">Video Resmi<span class=""></span>
                                    </label>
                                    <div class="col-md-9 col-sm-9 col-xs-12">
                                        <?php
                    if (strlen($ortahabercek['ortahaber_videoresim'])>0) {?>

                    <img width="150"  src="../../<?php echo $ortahabercek['ortahaber_videoresim']; ?>">

                    <?php } else {?>


                    <img width="150"  src="../../dimg/kullanici-resim-yok.jpg">


                    <?php } ?>
                                        <input type="file" id="ortahaber_videoresim" name="ortahaber_videoresim" value="<?php echo $ortahabercek['ortahaber_videoresim']; ?>" class="form-control col-md-7 col-xs-12">
                                    </div>
                                </div>

                                <div class="form-group">
                                    <label class="control-label col-md-2 col-sm-2 col-xs-12" for="first-name">Video<span class="">*</span>
                                    </label>
                                    <div class="col-md-9 col-sm-9 col-xs-12">
                                        <input type="text" id="ortahaber_video" name="ortahaber_video" value="<?php echo $ortahabercek['ortahaber_video']; ?>" class="form-control col-md-7 col-xs-12">
                                    </div>
                                </div>

                                

                                <div align="right" class="col-md-9 col-sm-9 col-xs-12 col-md-offset-3">

                                    <button type="submit" name="ortahaberkaydet" class="btn btn-primary">Güncelle</button>
                                </div>

                            </form>