diff --git a/vas/check_refund.py b/vas/check_refund.py
index fd2a063..604cc85 100644
--- a/vas/check_refund.py
+++ b/vas/check_refund.py
@@ -627,7 +627,7 @@ class S:
 
             res = refund_order(order_id)
             ret = safe_get_int(res, "ret")
-            docu = [order_id, product_id, pay_amount, ret, res]
+            docu = [order_id, product_id, pay_amount, ret, str(res)]
             print(idx, docu)
             csv_.append(docu)