admin

src/main/java/com/smcic/api/admin/service/impl/RegionServiceImpl.java

@@ -25,7 +25,7 @@ public class RegionServiceImpl extends ServiceImpl<RegionMapper, Region> impleme
     public List<Region> regionTree(){
         List<Region> list = lambdaQuery().orderByAsc(Region::getRegionId).list();
         Map<Long, Region> group = list.stream().collect(Collectors.toMap(Region::getRegionId, region -> region));
-        List<Region> rs = new ArrayList();
+        List<Region> rs = new ArrayList<>();
         for (Region region : list) {
             if (region.getPid() == 0) {
                 rs.add(region);