diff --git a/frontend/src/views/system/authority/components/LazyTree.vue b/frontend/src/views/system/authority/components/LazyTree.vue
index e59b2ffc7e..5007281b28 100644
--- a/frontend/src/views/system/authority/components/LazyTree.vue
+++ b/frontend/src/views/system/authority/components/LazyTree.vue
@@ -281,7 +281,7 @@ export default {
     padding-left: 8px;
   }
   .tree-main{
-    height: 100vh;
+    height:  calc(100vh - 210px);
     border: 1px solid #e6e6e6;
   }
   .tree-head{