支付宝真机调试无法看到网络图片，也无法下载网络图片

域名已经添加了。开发工具测试没问题，真机调试，就提示权限不足。
图片地址设置为外网地址也无法看到图片。下载保存说权限不足。
域名已经添加了。我问了支付宝的，支付宝说联系你们。

代码如下：

<template>  
    <view>  
        <uni-nav-bar dark title="生成设备二维码" backgroundColor="#18BC37" right-text="返回" @clickRight="gotoback">  
        </uni-nav-bar>  

        <uni-popup ref="popup" type="message">  
            <uni-popup-message type="error" :message="errormsg" :duration="2000"></uni-popup-message>  
        </uni-popup>  
        <view class='qrcode-box'>  
            <view class='qrcode-canvas-view'>  
                <image style="width:500rpx;height:500rpx" :src="qrcodeimg"></image>  

            </view>  

        </view>  
        <view class='qrcode-opretion'>  
            <button @click="savePic" class='qrcode-btn'>保存图片</button>  
        </view>  

    </view>  
</template>  

<script>  
    export default {  
        components: {},  
        data() {  
            return {  
                id: '',  
                qrcodeimg: ''  
            }  
        },  
        onLoad(option) {  
            this.id = option.id;  
            this.qrcodeimg = "https://tl.langren8.com/qrcode.aspx?device=" + this.id;  
        },  
        onShow() {},  
        methods: {  
            gotoback() {  
                uni.navigateBack({  

                });  
            },  
            savePic() {  

                this.saveHttpImg(this.qrcodeimg);  
            },  

	

  

            //下载网络图片  
            saveHttpImg(url) {  
                let _t = this;  
                uni.downloadFile({  
                    url: url, //仅为示例，并非真实的资源  
                    success: (res) => {  
                        if (res.statusCode === 200) {  
                            let file = res.tempFilePath;  
                            _t.save(file)  
                        }  
                    }  
                });  
            },  
            //保存图片到本地  
            save(url) {  
                let _this = this;  
                _this.$util._loading("保存中...");  
                uni.saveImageToPhotosAlbum({  
                    filePath: url,  
                    success: () => {  
                        uni.hideLoading();  
                        _this.$util._toast("图片已保存");  
                    },  
                    fail: () => {  
                        uni.hideLoading();  
                        _this.$util._toast("保存失败");  
                    },  
                    complete: () => {  

                    }  
                });  
            }  
        }  
    }  
</script>  

<style>  
    .content {  
        display: flex;  
        flex: 1;  
        flex-direction: column;  
        justify-content: flex-start;  
        align-items: stretch;  

    }  

    .qrcode-box {  
        display: flex;  
        align-items: center;  
        justify-content: center;  
    }  

    .qrcode-canvas-view {  
        border: solid 1rpx #ccc;  
        width: 501rpx;  
        height: 501rpx;  
    }  

    .qrcode-canvas {  
        height: 500rpx;  
        width: 500rpx;  
    }  

    .qrcode-set {  
        float: left;  
        margin-left: 50rpx;  
        width: auto;  
        height: auto;  
    }  

    .qrcode-color {  
        position: relative;  
    }  

    .qrcode-color .flex {  
        width: 100%;  
        height: 60rpx;  
    }  

    .qrcode-color .color-tips {  
        float: left;  
        height: 60rpx;  
        line-height: 60rpx;  
    }  

    .qrcode-color .color-current {  
        float: left;  
        width: 115rpx;  
        height: 60rpx;  
        line-height: 60rpx;  
    }  

    .qrcode-color .color-box {  
        float: left;  
        width: 40rpx;  
        height: 40rpx;  
        margin: 10rpx 0rpx 0rpx 10rpx;  
        border: 2rpx solid #666;  
    }  

    .qrcode-color .wrapper.wrapper-absolute .color-picker-wrapper {  
        background: #fff;  
        position: absolute;  
        right: 20rpx;  
        top: 115rpx;  
        z-index: 10;  
        border: solid 10rpx #fff;  
        box-shadow: 1rpx 1rpx 12rpx 8rpx #ccc;  
    }  

    .qrcode-color .wrapper.wrapper-relative .color-picker-wrapper {  
        position: relative;  
        z-index: 999;  
        background: #fff;  
        padding: 25rpx;  
        display: flex;  
        justify-content: center;  
    }  

    .qrcode-logo {  
        margin-top: 50rpx;  
        width: 100%;  
        height: 60rpx;  
    }  

    .logo-switch {  
        float: left;  
        margin: 0rpx 5rpx 0rpx 0rpx;  
        zoom: 0.7;  
    }  

    .update-logo {  
        float: left;  
    }  

    .logo-img {  
        float: left;  
        margin: 10rpx 0rpx 0rpx 10rpx;  
        border: 2rpx solid #aaa;  
        border-radius: 6rpx;  
        line-height: 80rpx;  
        text-align: center;  
        background: #ccc;  
        color: #fff;  
        font-size: 50rpx;  
        width: 80rpx;  
        height: 80rpx;  
    }  

    .message-content {  
        padding: 1%;  
        width: 88%;  
        border: 1rpx solid #ebebeb;  
        min-height: 40rpx;  
        height: 7em;  
        margin: 20rpx auto;  
    }  

    .qrcode-btn {  
        width: 660rpx;  
        background: #381508;  
        color: #fff;  
        margin: 20rpx auto;  
        border-radius: 16rpx;  
    }  

    .mask {  
        position: fixed;  
        left: 0;  
        top: 0;  
        width: 100vw;  
        height: 100vh;  
        z-index: 1;  
        background: #000;  
        opacity: 0.3;  
        transition: all 2s;  
    }  
</style>