修改判断条件

src/main/java/com/aizuda/boot/modules/system/service/impl/SysRegionServiceImpl.java

@@ -33,7 +33,7 @@ public class SysRegionServiceImpl extends BaseServiceImpl<SysRegionMapper, SysRe
     public List<SysRegionVO> listTree(SysRegion sysRegion) {
         LambdaQueryWrapper<SysRegion> lqw = Wrappers.lambdaQuery();
         // pid 为 0 只查询省份城市信息
-        if (Objects.equals(sysRegion.getPid(), -1L)) {
+        if (Objects.equals(sysRegion.getPid(), 0L)) {
             lqw.in(SysRegion::getLevel, Arrays.asList(0, 1));
             sysRegion.setPid(null);
         }