返回的私密路径无法展示

<template>
<div>
    <div class="demo-upload-list" v-for="(item,index) in uploadList" :key="index">
        <template v-if="item.status === 'finished'">
            <img :src="item.url">
            <div class="demo-upload-list-cover">
                <Icon type="ios-eye-outline" @click.native="handleView(item)"></Icon>
                <Icon type="ios-trash-outline" @click.native="handleRemove(item)"></Icon>
            </div>
        </template>
        <template v-else>
            <Progress v-if="item.showProgress" :percent="item.percentage" hide-info></Progress>
        </template>
    </div>
    <Upload
        ref="upload"
        :show-upload-list="false"
        :default-file-list="defaultList"
        :on-success="handleSuccess"
        :format="['jpg','jpeg','png']"
        :max-size="2048"
        :on-format-error="handleFormatError"
        :on-exceeded-size="handleMaxSize"
        :before-upload="handleBeforeUpload"
        multiple
        type="drag"
        :action="path"
        :data="uptoken"
        style="display: inline-block;width:58px;">
        <div style="width: 58px;height:58px;line-height: 58px;">
            <Icon type="ios-camera" size="20"></Icon>
        </div>
    </Upload>
    <Modal title="View Image" v-model="visible">
        <img :src="imgName" v-if="visible" style="width: 100%">
    </Modal>
</div>
</template>
<script>
export default {
    data(){
        return {
            path:'https://upload.qiniup.com',
            imgName: '',
            visible: false,
            uploadList: [],
            uptoken:{},
            type:'',
        }
    },
    props: ["defaultList","uploadConfig"],
    methods: {
        //获取token
        getUpToken(){
            let vm = this；
            let url = this.common.path+'qiniuUpload/getUpToken'; 
            this.$get(url).then(res=>{
                console.log(res.uptoken);
                vm.uptoken.token = res.uptoken;
            })
        },
        /*======================上传图片  start=======================*/
        handleView (data) {
            this.imgName = data.s_url;
            this.visible = true;
        },
        handleRemove (file) {
            const fileList = this.$refs.upload.fileList;
            this.$refs.upload.fileList.splice(fileList.indexOf(file), 1);
            this.$emit("listenUpload",this.uploadList);
        },
        handleSuccess (res,file) {
            let vm = this;
             //异步请求返回私密路径
            let url = this.common.path+'qiniuUpload/getPrivateUrl';
            let ajaxData = {
                mediaType:this.type,
                key:res.key
            }   
            this.$postFormData(
                url,
                this.qs.stringify(ajaxData),
            ).then(data=>{
                file.url = data.s_url;
                file.s_url = data.url;
                file.name = res.key;
                vm.$emit("listenUpload",vm.uploadList);
            });
        },
        handleFormatError (file) {
            this.$Notice.warning({
                title: 'The file format is incorrect',
                desc: 'File format of ' + file.name + ' is incorrect, please select jpg or png.'
            });
        },
        handleMaxSize (file) {
            this.$Notice.warning({
                title: 'Exceeding file size limit',
                desc: 'File  ' + file.name + ' is too large, no more than 2M.'
            });
        },
        handleBeforeUpload (file) {
            this.key = file.lastModified+Math.floor(Math.random()*9999)+'.'+file.name.split('.')[1];
            this.uptoken.key = this.key;
            this.type = file.type;
            let num = this.uploadConfig.num||5;
            let title = '最多可以上传'+ num + '张照片';
            const check = this.uploadList.length < num;
            if (!check) {
                this.$Notice.warning({
                    title: title
                });
            }
            return check;
        }
        /*======================上传图片  end=======================*/
    },
    mounted: function(){
        this.uploadList = this.$refs.upload.fileList;
        this.getUpToken();
    },
};
</script>
<style scoped>
.demo-upload-list{
    display: inline-block;
    width: 60px;
    height: 60px;
    text-align: center;
    line-height: 60px;
    border: 1px solid transparent;
    border-radius: 4px;
    overflow: hidden;
    background: #fff;
    position: relative;
    box-shadow: 0 1px 1px rgba(0,0,0,.2);
    margin-right: 4px;
}
.demo-upload-list img{
    width: 100%;
    height: 100%;
}
.demo-upload-list-cover{
    display: none;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0,0,0,.6);
}
.demo-upload-list:hover .demo-upload-list-cover{
    display: block;
}
.demo-upload-list-cover i{
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    margin: 0 2px;
}
</style>