diff --git a/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/util/FindsDepartsChildrenUtil.java b/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/util/FindsDepartsChildrenUtil.java
index 119d6ea4..9c35ba95 100644
--- a/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/util/FindsDepartsChildrenUtil.java
+++ b/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/util/FindsDepartsChildrenUtil.java
@@ -12,12 +12,16 @@ import java.util.List;
  * <P>
  * 对应部门的表,处理并查找树级数据
  * <P>
- * 
+ *
  * @Author: Steve
  * @Date: 2019-01-22
  */
 public class FindsDepartsChildrenUtil {
 
+    private FindsDepartsChildrenUtil(){}
+
+
+
     /**
      * queryTreeList的子方法 ====1=====
      * 该方法是s将SysDepart类型的list集合转换成SysDepartTreeModel类型的集合
@@ -25,7 +29,7 @@ public class FindsDepartsChildrenUtil {
     public static List<SysDepartTreeModel> wrapTreeDataToTreeList(List<SysDepart> recordList) {
         // 在该方法每请求一次,都要对全局list集合进行一次清理
         //idList.clear();
-    	List<DepartIdModel> idList = new ArrayList<DepartIdModel>();
+    	List<DepartIdModel> idList = new ArrayList<>();
         List<SysDepartTreeModel> records = new ArrayList<>();
         for (int i = 0; i < recordList.size(); i++) {
             SysDepart depart = recordList.get(i);
@@ -47,7 +51,7 @@ public class FindsDepartsChildrenUtil {
     public static List<DepartIdModel> wrapTreeDataToDepartIdTreeList(List<SysDepart> recordList) {
         // 在该方法每请求一次,都要对全局list集合进行一次清理
         //idList.clear();
-        List<DepartIdModel> idList = new ArrayList<DepartIdModel>();
+        List<DepartIdModel> idList = new ArrayList<>();
         List<SysDepartTreeModel> records = new ArrayList<>();
         for (int i = 0; i < recordList.size(); i++) {
             SysDepart depart = recordList.get(i);
@@ -78,7 +82,7 @@ public class FindsDepartsChildrenUtil {
             }
         }
         getGrandChildren(treeList,recordList,departIdList);
-        
+
         //idList = departIdList;
         return treeList;
     }
@@ -105,7 +109,7 @@ public class FindsDepartsChildrenUtil {
         }
 
     }
-    
+
 
     /**
      * queryTreeList的子方法 ====4====
@@ -115,7 +119,7 @@ public class FindsDepartsChildrenUtil {
 
         for (int i = 0; i < treeList.size(); i++) {
             SysDepartTreeModel model = treeList.get(i);
-            if (model.getChildren().size() == 0) {
+            if (model.getChildren().isEmpty()) {
                 model.setChildren(null);
                 model.setIsLeaf(true);
             }else{