vue请求服务器数据后绑定不上的解决方法

{"success":1,"tagList":[{"Id":1,"name":"林俊杰"},{"Id":2,"name":"MV"},{"Id":3,"name":"三次元"},{"Id":4,"name":"燃"},{"Id":5,"name":"宅"}]}

<div class="tag-wrapper">
  <a class="tag-item" v-for="item in tagList">{{item.name}}</a>
</div>

var hotTag=new Vue({
   el:".tag-wrapper",
   data:{
    tagList:[],
    selected_num:0
   },
   mounted:function(){
    this.init();
   },
   methods:{
    init:function(){
     axios.get("handle/getHotTag").then( function(result) {
      this.tagList = result.data.tagList;
    })
     // axios.get("handle/getHotTag").then( (result) => {
     //  this.tagList = result.data.tagList;
     // })
 
    }
   }
 
  });

 axios.get("handle/getHotTag").then( (result) => {
      this.tagList = result.data.tagList;
     })