二手车交易，直辖市的显示问题

src/views/secondHandCar/carSource.vue

@@ -212,7 +212,9 @@ export default {
       this.form.emissionStandard=res.data.emissionStandard?.code
       this.auditRemark=res.data?.auditRemark
       this.status=res.data?.status?.code
-      this.areaName=res.data?.areaName
+      const municipalities = ['北京市', '天津市', '上海市', '重庆市'];
+      const isMunicipality = municipalities.some(city => res.data.areaName.includes(city));
+      this.areaName= isMunicipality ? res.data.areaName?.substring(0, 3) : res.data.areaName;
       this.supplierName=res.data?.supplierName
       this.supplierCode=res.data?.supplierCode
       if(res.data?.otherPhoto){