uniapp x webview 全部事件都没有值返回的，想监听资源加载，拦截资源加载

<template>
<view class="uni-flex-item">
<web-view id="web-view" class="uni-flex-item" style="height: 300px;width: 300px;" :src="src" :webview-styles="webview_styles" @message="message"
@error="error" @loading="loading" @loaded="loaded" @download="download">
</web-view>
<view class="uni-padding-wrap uni-common-mt">
<view class="uni-input-v">
<input class="uni-input" confirmType="go" placeholder="输入网址跳转" @confirm="confirm" />
</view>
<view class="uni-row uni-btn-v">
<button class="uni-flex-item" type="primary" @click="back">后退</button>
<button class="uni-btn-ml uni-flex-item" type="primary" @click="forward">前进</button>
</view>
<view class="uni-row uni-btn-v">
<button class="uni-flex-item" type="primary" @click="reload">重新加载</button>
<button class="uni-btn-ml uni-flex-item" type="primary" @click="stop">停止加载</button>
</view>
<view class="uni-btn-v">
<button type="primary" @click="nativeToWeb">原生和Web通信</button>
</view>
</view>
</view>
</template>

<script>
export default {
data() {
return {
src: 'https://www.dcloud.io/',
webview_styles: {
progress: {
color: '#FF3333'
}
},
webviewContext: null as WebviewContext | null,
loadError: false
}
},
onReady() {
this.webviewContext = uni.createWebviewContext('web-view', this)
},
methods: {
back() {
this.webviewContext?.back();
},
forward() {
this.webviewContext?.forward();
},
reload() {
this.webviewContext?.reload();
},
stop() {
this.webviewContext?.stop();
},
nativeToWeb() {
this.webviewContext?.evalJS("alert('hello uni-app x')");
},
message(event : WebViewMessageEvent) {
console.log(JSON.stringify(event));
},
error(event : WebViewErrorEvent) {
this.loadError = true
console.log(JSON.stringify(event));
},
loading(event : WebViewLoadingEvent) {
console.log(JSON.stringify(event));
},
loaded(event : WebViewLoadedEvent) {
console.log(event)
console.log(JSON.stringify(event));
},
download(event : WebViewDownloadEvent) {
console.log(JSON.stringify(event));
uni.showModal({
content: "下载链接: " + event.detail.url + "\n文件大小: " + event.detail.contentLength / 1024 + "KB",
showCancel: false
});
},
confirm(event : InputConfirmEvent) {
console.log(JSON.stringify(event));
let url = event.detail.value;
if (!url.startsWith('https://') && !url.startsWith('http://')) {
url = 'https://' + url;
}
this.src = url;
}
}
}
</script>

<style>
.uni-input-v {
padding: 10rpx 0;
}

.uni-btn-ml {
margin-left: 10rpx;
}
</style>