Eslint报错表达式左边无效但是这个对象我已经声明过了？

Question

 <script>         let tempParamsPackge = {              "sex-value": '',              "ageLower": '',              "ageUper": '',              "transfer-value": '',              "department-value": '',              "beg-timestamp": '',              "end-timestamp": '',              "zd": '',              "hbz": '',              "assay": '',              "other": '',              "page": 1,              "range": ''             }        export defult{             data(){                 tempParamsPackge,             },              beforeRouteUpdate(to, from, next) {                 this.tempParamsPackge.sex-value = to.query.sex-value;//这行报错左边表达式无效               }         }      </script>