a class="form-control" rows="8" v-model="mutipart_from.public_key"></textarea>
                        </div>
                    </div>
                    <div class="form-group flex-fill">
                        <label class="form-label">RSA私钥 <em class="icon ni ni-download" title="下载保存" v-show="mutipart_from.private_key" @click="download('private_key')"></em></label>
                        <div class="form-control-wrap">
                            <textarea class="form-control" rows