</h4>
            <div class="row">
            	<div class="col-sm-6">
                    <div class="form-group">
                        <label class="col-sm-4 control-label is-required">用户名称：</label>
                        <div class="col-sm-8">
                            <input name="userName" placeholder="请输入用户名称" class="form-control" type="text" maxlength="30" th:field="*{userName}" required>
                        </div>
                    </div>
                </div>
 