axios请求404not found

js块

<script>
import Header from '@/components/Header'
export default {
    name:'catalog',
    components: {
      Header
    },
    data(){
      return {
        blogList:[]
      }

    },
    mounted(){
      this.axios.get('/api/writer/getBlogList').then((res)=>{
        var status=res.data.status
        if(status===0){
          console.log('获取成功')
        }
        else{
          console.log('获取失败')
        }
      })
    }
}
</script>
配置
module.exports={
    devServer:{
        open: process.platform === 'vue',
        proxy:{
            '/api':{
                target:'http://localhost:3000',
                changeOrigin:true
            }
        }
    }
}
报错图
![图片说明](https://img-ask.csdn.net/upload/201909/28/1569601802_332721.png)

http://localhost:8080/api/writer/getBlogList地址不存在吧，下面的localhost:3000改成http://localhost:8080试试。

你的Api地址的域名和对应的端口号都对了么，都对了再检查下后台代码呗