帮忙看看,怎么让他弹出的图片是原始大小,我这个太小了,文字也显示不全

<template>
<view class="content">
<image class="logo" src="http://s6it865tf.hb-bkt.clouddn.com/haibao/A1.jpg" @tap="ontap"></image>
<view class="text-area">
<text class="title">{{a1}}</text>
</view>
</view>
</template>
<script>
export default {
data() {
return {
a1: '金手指'
}
},
onLoad() {
},
methods: {
ontap() {
uni.showToast({
title: '怎么放大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大大',
image: '<image src="http://s6it865tf.hb-bkt.clouddn.com/haibao/A2.jpg">',
duration: 2000
});
}
}
};
</script>
<style>
.content {
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
}
.logo {
height: 360rpx;
width: 750rpx;
margin-top: 10rpx;
margin-left: auto;
margin-right: auto;
margin-bottom: 0rpx;
}
.text-area {
display: flex;
justify-content: center;
}
.title {
font-size: 36rpx;
margin-bottom: 10rpx;
color: #00ff00;
}
</style>