diff --git a/src/views/oa/erp/timesheetPreAlloc/index.vue b/src/views/oa/erp/timesheetPreAlloc/index.vue
index 4479738..3baf36d 100644
--- a/src/views/oa/erp/timesheetPreAlloc/index.vue
+++ b/src/views/oa/erp/timesheetPreAlloc/index.vue
@@ -624,7 +624,9 @@ const handleExport = () => {
   proxy?.download(
     'oa/erp/timesheetPreAlloc/export',
     {
-      ...queryParams.value
+      ...queryParams.value,
+      // 如果选中了数据，则只导出选中的数据
+      allocIds: ids.value.length > 0 ? ids.value.join(',') : undefined
     },
     `timesheetPreAlloc_${new Date().getTime()}.xlsx`
   );