修复：上级推荐人为游客时显示问题

src/pages/customManage/customList/index.tsx

@@ -179,7 +179,7 @@ function CustomListView() {
       align: 'center',
       render: (_text, record) =>
         record?.userRcdVO?.id &&
-        `${record?.userRcdVO?.rcdUserName || record?.userRcdVO?.rcdNickname}(${
+        `${record?.userRcdVO?.rcdUserName || record?.userRcdVO?.rcdNickname || '游客'}(${
           record?.userRcdVO?.rcdUserId
         })`,
     },