           </div>
            </div>
            <div class="ibox-content">

                <form role="form" class="form-inline" id="function_form">

                    <div class="form-group">
                        <div class="input-group">
                            <select id="product_code" name="product_code"
                                    data-placeholder="产品code...."
                                    class="chosen-select form-control m-b" >
                            </select>
      