diff --git a/src/interfaces/permission.ts b/src/interfaces/permission.ts
index 771cf12..e955f41 100644
--- a/src/interfaces/permission.ts
+++ b/src/interfaces/permission.ts
@@ -128,21 +128,29 @@ class CheckAuth {
             privilege: "CHILD",
           };
         } else if (privilege == "BROTHER") {
+          const minLevel = node === 0 ? 0 : node - 1;
           data = {
             // root: node >= 0 ? [x.orgRootId] : null,
+            /*
             root: node >= 0 ? [x.orgRootId] : null,
             child1: node >= 2 ? [x.orgChild1Id] : null,
             child2: node >= 3 ? [x.orgChild2Id] : null,
             child3: node >= 4 ? [x.orgChild3Id] : null,
+            */
+            root: minLevel <= 0 ? [x.orgRootId] : null,
+            child1: minLevel <= 1 ? [x.orgChild1Id] : null,
+            child2: minLevel <= 2 ? [x.orgChild2Id] : null,
+            child3: minLevel <= 3 ? [x.orgChild3Id] : null,
+            child4: minLevel <= 4 ? [x.orgChild4Id] : null,
             privilege: "BROTHER",
           };
         } else if (privilege == "NORMAL") {
           data = {
-            root: [x.orgRootId],
-            child1: [x.orgChild1Id],
-            child2: [x.orgChild2Id],
-            child3: [x.orgChild3Id],
-            child4: [x.orgChild4Id],
+            root: node == 0 ? [x.orgRootId] : null,
+            child1: node == 1 ? [x.orgChild1Id] : null,
+            child2: node == 2 ? [x.orgChild2Id] : null,
+            child3: node == 3 ? [x.orgChild3Id] : null,
+            child4: node == 4 ? [x.orgChild4Id] : null,
             privilege: "NORMAL",
           };
         } else if (privilege == "SPECIFIC") {