-group">
                        <div class="input-group" >
                            <input id="etl_context" name="etl_context" class="form-control" type="text" value="" placeholder="关键字">
                            <span class="add-on"><i class="icon-remove"></i></span>
                            <span class="add-on"><i class="icon-calendar"></i></span>
                        </div>
                    </div>
                    <div class="form-group">
                        <div class="input