签约页省市区去除默认选中；

src/views/signing/index.vue

@@ -545,18 +545,18 @@ export default {
       addressPopupVisible: false, // “现住址”popup显示状态
       orgPopupVisible: false, // “所在卫生服务机构”popup显示状态
       addressForm: {
-        province: '贵州省',
-        city: '贵阳市',
+        province: '',
+        city: '',
         area: '',
         street: '',
         villages: '',
-        ProvinceCode: '520000',
-        CityCode: '520100',
+        ProvinceCode: '',
+        CityCode: '',
         AreaCode: '',
         StreetCode: '',
         VillagesCode: ''
       },
-      stepCurrent: 3, // 地址省市区街道步骤下标
+      stepCurrent: 1, // 地址省市区街道步骤下标
       ProvinceData: null, // 省会列表数据
       CityData: null, // 城市列表数据
       AreaData: null, // 区域列表数据