我的"编辑部门"和"添加部门"页面中, 输入框不显示

问题描述：

department_add.jsp 和 department_update.jsp的输入框都不显示

相关截图：

这一块代码如下, 不知道哪里出了问题

相关代码：

<div class="admin-form theme-primary mw1000 center-block" style="padding-bottom: 175px;">
    <div class="panel heading-border">
        <form:form action="/department/update" modelAttribute="department" id="admin-form" name="addForm">
            <div class="panel-body bg-light">
                <div class="section-divider mt20 mb40">
                    <span> 基本信息 </span>
                </div>
                <div class="section row">
                    <div class="col-md-6">
                        <label class="field prepend-icon">
                            <form:input path="sn" cssClass="gui-input" placeholder="编号..." readonly="true"/>
                            <label class="field-icon">
                                <i class="fa fa-user"></i>
                            </label>
                        </label>
                    </div>
                    <div class="col-md-6">
                        <label class="field prepend-icon">
                            <form:input path="name" cssClass="gui-input" placeholder="名称..."/>
                            <label class="field-icon">
                                <i class="fa fa-user"></i>
                            </label>
                        </label>
                    </div>
                </div>
                <div class="section">
                    <label class="field prepend-icon">
                        <form:input path="address" cssClass="gui-input" placeholder="地址..." />
                        <label class="field-icon">
                            <i class="fa fa-lock"></i>
                        </label>
                    </label>
                </div>
                <div class="panel-footer text-right">
                    <button type="submit" class="button"> 保存 </button>
                    <button type="button" class="button" onclick="javascript:window.history.go(-1);"> 返回 </button>
                </div>
            </div>
        </form:form>
    </div>
</div>