fix: 修复地区选择只有两级时筛选bug

src/modules/customer/components/CustomerFormDialog.vue

@@ -70,7 +70,7 @@ export default {
         short_name: '',
         source: '',
         type: '',
-        region: '',
+        region: [],
         address: '',
         remark: ''
       },

src/modules/customer/views/Index.vue

@@ -122,7 +122,7 @@ export default {
             short_name: '',
             source: '',
             type: '',
-            region: '',
+            region: [],
             created_by: '',
             project_tag: '',
             project_status: '',
@@ -255,7 +255,7 @@ export default {
         _params.last_record_end_time = params.follow_date[1]
       }
       if (params.region) {
-        if (params.region.length === 3) {
+        if (params.region.length >= 1) {
           _params.region = _params.region.join('-')
         } else {
           delete _params.region