[background interaction] select to bind the data transferred in the background

html
<Select
                                    v-model="adddata.designee"
                                    multiple
                                    clearable
                                    filter
                                    class="searchSelect"
                                >
                                    <Option
                                        v-for="item in userList"// data 
                                        :value="item.id"
                                        :key="item.id"
                                        >{
    {
    item.sectiontitle}}-{
    {
     item.name }}{
    {
    (work_code)}}</Option
                                    >
                                </Select>
//js
data(){
    
 return{
    
   userLilst:[]// data 
 }
}
created(){
    
  this.getUserByUid()
}
getUserByUid() {
    
            //  Acquisition personnel 
            this.request(
                "/config/ProjectUser/GetUserLists",// Interface  ProjectUser/GetUserLists
                "",
                "get"
            ).then((res) => {
    
                if (res.data.ret == 1) {
    
                    this.userList = res.data.data;
                    console.log(JSON.stringify(this.userList));
                }
            });
        },

There is no data in the drop-down box —— Consider interfaces
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The interface is written incorrectly F12,404 The interface parent is written incorrectly

 this.request(
                "/config/ProjectUser/GetUserLists"// Correct port