修改删除部门时，删除子部门公路，路段信息

tuoheng-service/tuoheng-admin/src/main/java/com/tuoheng/admin/service/dept/delete/DeleteDeptService.java

@@ -127,10 +127,13 @@ public class DeleteDeptService {
      * @return 结果
      */
     private void deleteRoadDept(String tenantId, String deptId) {
-        Map<String, Object> map = new HashMap<>();
-        map.put("tenant_id", tenantId);
-        map.put("dept_id", deptId);
-        roadDeptMapper.deleteByMap(map);
+        List<String> deptIdList = deptMapper.selectAllChildListById(deptId);
+        if (CollectionUtil.isEmpty(deptIdList)) {
+            return;
+        }
+        roadDeptMapper.delete(new LambdaQueryWrapper<RoadDept>()
+                .eq(RoadDept::getTenantId, tenantId)
+                .in(RoadDept::getDeptId, deptIdList));
     }
 
     /**