diff --git a/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/controller/SysPermissionController.java b/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/controller/SysPermissionController.java
index e5f74488..96c4c250 100644
--- a/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/controller/SysPermissionController.java
+++ b/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/controller/SysPermissionController.java
@@ -53,10 +53,10 @@ public class SysPermissionController {
 	@Autowired
 	private ISysDepartPermissionService sysDepartPermissionService;
 
-	private static String OPTION_SUCCESS = "操作成功!";
-	private static String DEL_SUCCESS = "删除成功!";
-	private static String PERMISSION_LIST = "permissionList";
-	private static String CHILDREN = "children";
+	private static final String OPTION_SUCCESS = "操作成功!";
+	private static final String DEL_SUCCESS = "删除成功!";
+	private static final String PERMISSION_LIST = "permissionList";
+	private static final String CHILDREN = "children";
 
 	/**
 	 * 加载数据节点
@@ -563,7 +563,7 @@ public class SysPermissionController {
 			//json.put("action", permission.getPerms());
 			//json.put("type", permission.getPermsType());
 			//json.put("describe", permission.getName());
-			return null;
+			return new JSONObject();
 		} else if (permission.getMenuType().equals(CommonConstant.MENU_TYPE_0) || permission.getMenuType().equals(CommonConstant.MENU_TYPE_1)) {
 			json.put("id", permission.getId());
 			if (permission.isRoute()) {