elect>
                    </div>
                </div>
            </div>
            <div class="form-group" v-show="input.from=='PEM'&&input.to!='DER'&&input.to!='PKCS7'">
                <label class="form-label" for="customFileLabel">PEM 私钥文件 <span class="text-danger">*</span></label>
                <div class="form-control-wrap">
                    <div class="custom-file">
                        <input type="file" class="custom-file-input" id="customFile1" accept=".pem,.key" requi