diff --git a/src/views/system/role/role.vue b/src/views/system/role/role.vue
index 0bace69..d0366e4 100644
--- a/src/views/system/role/role.vue
+++ b/src/views/system/role/role.vue
@@ -43,6 +43,7 @@
           :checked-keys="checkedKeys"
           style="max-height: 950px; overflow: hidden"
           @update:checked-keys="checkedTree"
+          @update:expanded-keys="onExpandedKeys"
         />
       </div>
       <template #action>
@@ -186,6 +187,10 @@
     checkedKeys.value = [checkedKeys.value, ...keys];
   }
 
+  function onExpandedKeys(keys) {
+    expandedKeys.value = keys;
+  }
+
   function packHandle() {
     if (expandedKeys.value.length) {
       expandedKeys.value = [];