image标签的SRC加上前缀

<template>
	<view class="content">
		 
			<view class="itemtop" v-for="(item,index) in toplist">
				<view class="oneitem_img">
					<image :src="aaa(item.avator)"></image>
				</view>
				<view>{{index+1}}.{{item.name}}</view>
				<view>{{item.score}}分</view>
			</view>
 </view>
	 
</template>

<script>
	export default {
		data() {
			return {
				searchKey: '',
				title: 'Hello',
				toplist: [], //存前3名数据
				sublist: [], //存第4名往后的数据
				userlist: [] //存所有用户数据
			};
		},
		onLoad() {
			
            ///一堆代码

		},
		methods: {
 
			aaa(avator) {
				if (avator == '') {
					return "http://www.niunan.net/images/defaultface.jpg";
				} else {
					return "http://124.222.23.214:8889" + avator;
				}
			},
		  
		}
	};
</script>