<div class="layui-input-inline">
                  <input type="text" id="L_vercode" name="vercode" required lay-verify="required" placeholder="请回答后面的问题" autocomplete="off" class="layui-input">
                </div>
                <div class="layui-form-mid">
                  <span style="color: #c00;">{{ver_code}}</span>
                </div>
              </div>
              <div class="layui-form-item">
                <button class="layui-btn" lay-filter="*" alert="true" lay-submit>