diff --git a/src/views/system/role/components/RoleAuthModal.vue b/src/views/system/role/components/RoleAuthModal.vue
index 1818896..b11739d 100644
--- a/src/views/system/role/components/RoleAuthModal.vue
+++ b/src/views/system/role/components/RoleAuthModal.vue
@@ -186,7 +186,7 @@
             });
             findMenuTree(buttonSelectData.value, treeData.value, btnCheckedKey, 'button');
           }
-          btnKeys.value = btnCheckedKey;
+          btnKeys.value = Array.from(new Set([...btnKeys.value, ...btnCheckedKey]));
           
           let lostColKey = [];
           colKeys.value.forEach((o) => {
@@ -205,7 +205,7 @@
             });
             findMenuTree(columnSelectData.value, treeData.value, colCheckedKey, 'column');
           }
-          colKeys.value = colCheckedKey;
+          colKeys.value = Array.from(new Set([...colKeys.value, ...colCheckedKey]));
 
           let lostFieldKey = [];
           fieldKeys.value.forEach((o) => {
@@ -224,7 +224,7 @@
             });
             findMenuTree(fieldSelectData.value, treeData.value, fieldCheckedKey, 'field');
           }
-          fieldKeys.value = fieldCheckedKey;
+          fieldKeys.value = Array.from(new Set([...fieldKeys.value, ...fieldCheckedKey]));
 
           nextTick(() => {
             getTree(unref(ButtonRef))?.setCheckedKeys(authList.buttonIds);
@@ -289,6 +289,11 @@
           // colKeys.value = getTree(unref(ColumnRef)).getCheckedKeys();
           // fieldKeys.value = getTree(unref(FieldRef)).getCheckedKeys();
 
+          // 过滤无效的权限 ID
+          btnKeys.value = btnKeys.value.filter((o) => btnFilterKeys.value.includes(o));
+          colKeys.value = colKeys.value.filter((o) => colFilterKeys.value.includes(o));
+          fieldKeys.value = fieldKeys.value.filter((o) => fieldFilterKeys.value.includes(o));
+
           // btnKeys.value = btnKeys.value.filter((o) => {
           //   return btnFilterKeys.value.includes(o);
           // });
@@ -299,6 +304,7 @@
           //   return fieldFilterKeys.value.includes(o);
           // });
 
+          // 提交更新后的权限数据
           await RoleSetAuth({
             id: rowId.value,
             type: typeKey.value == 4?NaN:typeKey.value,
@@ -307,6 +313,7 @@
             columnIds: colKeys.value,
             formIds: fieldKeys.value,
           });
+
           notification.success({
             message: t('提示'),
             description: t('功能授权更新成功'),
@@ -362,14 +369,23 @@
         colFilterKeys.value = [];
         fieldFilterKeys.value = [];
 
-        findMenuTree(buttonSelectData.value, treeData.value, addMenuSelect, 'button');
-        findMenuTree(columnSelectData.value, treeData.value, addMenuSelect, 'column');
-        findMenuTree(fieldSelectData.value, treeData.value, addMenuSelect, 'field');
+        // 使用 Set 合并已选中和新增选中的菜单，避免重复
+        const allMenuKeys = new Set([...menuKeys.value, ...addMenuSelect]);
 
-        let newBtnSelect = [...new Set([...btnKeys.value, ...addMenuSelect])];
-        getTree(unref(ButtonRef))?.setExpandedKeys(newBtnSelect);
-        getTree(unref(ColumnRef))?.setExpandedKeys([...new Set([...colKeys.value, ...addMenuSelect])]);
-        getTree(unref(FieldRef))?.setExpandedKeys([...new Set([...fieldKeys.value, ...addMenuSelect])]);
+        // 确保未选中菜单的子节点不会丢失
+        findMenuTree(buttonSelectData.value, treeData.value, Array.from(allMenuKeys), 'button');
+        findMenuTree(columnSelectData.value, treeData.value, Array.from(allMenuKeys), 'column');
+        findMenuTree(fieldSelectData.value, treeData.value, Array.from(allMenuKeys), 'field');
+
+        // 更新按钮、字段、表单的选中状态
+        btnKeys.value = Array.from(new Set([...btnKeys.value, ...addMenuSelect]));
+        colKeys.value = Array.from(new Set([...colKeys.value, ...addMenuSelect]));
+        fieldKeys.value = Array.from(new Set([...fieldKeys.value, ...addMenuSelect]));
+
+        // 扩展树的展开状态
+        getTree(unref(ButtonRef))?.setExpandedKeys(Array.from(allMenuKeys));
+        getTree(unref(ColumnRef))?.setExpandedKeys(Array.from(allMenuKeys));
+        getTree(unref(FieldRef))?.setExpandedKeys(Array.from(allMenuKeys));
       }
       function getParentKeys(checkedKey, arr, keys) {
         for (let i = 0; i < arr.length; i++) {