打包以后安卓手机不能运行扫码功能

<template>  
    <view class="allpage">  
        <view class="box color1" @click="Scan_code">  
            <text>扫码核销</text>  
            <image src="../../static/images/icon02.png" mode="widthFix"></image>  
        </view>  
    </view>  
</template>  

<script>  
    export default {  
        data() {  
            return {  

            }  
        },  
        methods: {  
            Scan_code() {  
                // #ifdef APP-PLUS  
                uni.scanCode({  
                    success: function(res) {  
                        uni.navigateTo({  
                            url:"./list/list"  
                        })  
                        console.log('条码类型：' + res.scanType);  
                        console.log('条码内容：' + res.result);  
                    }  
                });  
                // #endif  
                console.log("请在APP页面执行")  
            }  
        }  
    }  
</script>