er">*</span></label>
                <div class="form-control-wrap">
                    <div class="custom-file">
                        <input type="file" class="custom-file-input" id="customFile7" accept=".der,.crt,.cer" required @change="handleFile('der_cert', event)">
                        <label class="custom-file-label" for="customFile7">点击选择文件</label>
                    </div>
                </div>
            </div>
            <div class="form-group" v-show="input.from=='P