[660] Async data failed

Hi, I got an error when use async data pages/.../_id.vue

<template>
    <input type="text" v-model="template.name">
</template>
<script>
import axios from 'axios'
export default {
    data () {
        return axios.get('https://api.myjson.com/bins/j6ob1')
        .then((res) => {
            console.log(res.data)
            return res.data
        })
    }
}
</script>

The browser: The console: