diff --git a/src/interfaces/permission.ts b/src/interfaces/permission.ts
index b48478dc..1819b647 100644
--- a/src/interfaces/permission.ts
+++ b/src/interfaces/permission.ts
@@ -97,7 +97,7 @@ class CheckAuth {
         } else if (privilege == "PARENT") {
           data = {
             root: [x.orgRootId],
-            child1: [null],
+            child1: null,
             child2: null,
             child3: null,
             child4: null,