From 4f61f48cc4f15b195499c999e92a8be7d2a1a7b9 Mon Sep 17 00:00:00 2001
From: yumoqing <yumoqing@gmail.com>
Date: Wed, 15 Jul 2026 17:58:47 +0800
Subject: [PATCH] fix(transfer): str+int TypeError in gen_mailcode

---
 unipay/providers/transfer.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/unipay/providers/transfer.py b/unipay/providers/transfer.py
index d2de4ab..b409cb1 100644
--- a/unipay/providers/transfer.py
+++ b/unipay/providers/transfer.py
@@ -128,7 +128,7 @@ class TransferGateway(Gateway):
 	def gen_mailcode(self):
 		c = '1'
 		for i in range(6):
-			c += randint(0,9)
+			c += str(randint(0,9))
 		return c
 		
 	def run(self):