小程序码是后端生成的？如果是的，copy下小程序码的url，在浏览器中打开是否显示正常？如果正常检查是不是自己在小程序码上覆盖了图层

我是用uniapp做的

<template>
	<gracePage :customHeader="false">		
		<!-- 页面主体 -->
		<view slot="gBody" class="body">				
				<view class="imgview" @tap="refresh"><image :src="qrcodeimg" mode="widthFix"></image></view>
				<view class="grace-center padding30">
					扫码领优惠券，点击二维码可刷新
				</view>
	
		</view>		
	</gracePage>
</template>
<script>
import gracePage from "@/graceUI/components/gracePage.vue";
let that;
export default {
	data() {
		return {		
			userinfo:null,
			qrcodeimg:'',
		}
	},
	onLoad:function(options){		
		that = this	
		let userinfo = uni.getStorageSync('userinfo');	
		that.userinfo = userinfo;
		// #ifdef MP-WEIXIN
		uni.hideShareMenu()
		// #endif
		that.init();		
	},	
	onShow:function(){			
		
	},
	methods:{			
		init:function(){
			that.getcode(0);
		},	
		getcode:function(refresh){
			if(refresh){
				uni.showLoading({
				    title: '刷新中',
					mask:true
				});
			}			
			// #ifdef MP-WEIXIN
			console.log(that.userinfo.id);
			that.tools.post(that.common.apiUrl+'api/register/getxcxqrcode1',{uid:9254},'json',{},function(res){
				console.log(res); 
				uni.hideLoading()
				if(res){
					that.qrcodeimg = that.common.apiUrl+res.imgurl;
					console.log(that.qrcodeimg);
					if(refresh){
						uni.showToast({
							title:'刷新成功',
							duration:1000,
							mask:true
						})
					}
				}
				
			});
			//#endif
			// #ifdef H5
			that.tools.post(that.common.apiUrl+'api/register/getqrcode',{uid:that.userinfo.id},'json',{},function(res){
				uni.hideLoading()
				if(res){
					that.qrcodeimg = that.common.apiUrl+res.replace(/(^\s*)|(\s*$)/g, "");
					if(refresh){
						uni.showToast({
							title:'刷新成功',
							duration:1000,
							mask:true
						})
					}
				}
			});
			//#endif
		},
		refresh:function(){
			that.getcode(1);
		}
	},
	components:{
		gracePage
	}
}
</script>
<style>	
page{width:100%; height: 100%;}
.body{width:100%; height: 100%; display: flex; align-items: center;justify-content: center; flex-direction: column;}
image{width:500rpx;height: 500rpx;}
.imgview{width:500rpx;}
</style>