       <input type="file" class="custom-file-input" id="customFile4" accept=".pfx,.p12" required @change="handleFile('pkcs12_cert', event)">
                        <label class="custom-file-label" for="customFile4">点击选择文件（支持pfx、p12）</label>
                    </div>
                </div>
            </div>
            <div class="d-flex flex-wrap" v-if="input.from=='PKCS12'">
                <div class="form-group flex-fill mr-2">
                    <label class="form-label"