      <div class="layui-form-item layui-form-text">
                            <label for="L_sign" class="layui-form-label">签名</label>
                            <div class="layui-input-block">
                                <textarea placeholder="随便写些什么刷下存在感" id="L_sign" name="sign" autocomplete="off"
                                          class="layui-textarea" style="height: 80px;" value="{$member.sign?:''}">{$member.sign?:''}</textarea>
                            </div>
