ariesy 解决空指针问题

dxhy-admin/src/main/java/com/dxhy/admin/sys/service/impl/SysDeptServiceImpl.java

@@ -67,9 +67,11 @@ public class SysDeptServiceImpl extends ServiceImpl<SysDeptDao, SysDeptEntity> i
         List<SysDeptEntity> returnList = new ArrayList<>();
         for (SysDeptEntity t : list) {
             // 一、根据传入的某个父节点ID,遍历该父节点的所有子节点
-            if (t.getParentId() == parentId) {
-                recursionFn(list, t);
-                returnList.add(t);
+            if(t.getParentId() != null) {
+                if (t.getParentId() == parentId) {
+                    recursionFn(list, t);
+                    returnList.add(t);
+                }
             }
         }
         return returnList;