l>
                                <input type="text" name="wecode" class="form-control" id="wecode" placeholder="请输入下载码">
                                </div>
                                <div class="form-group">
                                    <label for="format">&nbsp;&nbsp;文档格式</label>
                                    <select name="output" id="format" class="form-control">
                                        <option value="pdf">PDF</option>
                           