From caeba6f59fac0320ae863479131fbe52718d6741 Mon Sep 17 00:00:00 2001
From: yumoqing <yumoqing@gmail.com>
Date: Wed, 17 Dec 2025 12:06:59 +0800
Subject: [PATCH] bugfix

---
 unipay/providers/alipay.py | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/unipay/providers/alipay.py b/unipay/providers/alipay.py
index fd8b92f..3cb7456 100644
--- a/unipay/providers/alipay.py
+++ b/unipay/providers/alipay.py
@@ -37,7 +37,11 @@ class AlipayGateway(Gateway):
 		self._alipay_public_key = serialization.load_pem_public_key(
 			alipay_public_key_pem
 		)
-
+		self.session = None
+	
+	def setup_session(self):
+		if self.session:
+			return
 		self.session = aiohttp.ClientSession(timeout=aiohttp.ClientTimeout(total=20))
 
 	# ==============================================================================
@@ -85,6 +89,7 @@ class AlipayGateway(Gateway):
 		"""
 		返回一个可以在 H5 里直接重定向的支付宝支付 URL
 		"""
+		self.setup_session()
 		debug(f'{payload=}')
 		biz_content = {
 			"out_trade_no": payload["out_trade_no"],
@@ -118,6 +123,7 @@ class AlipayGateway(Gateway):
 	# ==============================================================================
 
 	async def query(self, out_trade_no: str) -> Dict[str, Any]:
+		self.setup_session()
 		biz_content = {
 			"out_trade_no": out_trade_no,
 		}
@@ -150,6 +156,7 @@ class AlipayGateway(Gateway):
 		out_request_no 必须全局唯一（一个退款请求一个编号）
 		"""
 
+		self.setup_session()
 		biz_content = {
 			"out_trade_no": out_trade_no,
 			"refund_amount": refund_amount,
@@ -181,6 +188,7 @@ class AlipayGateway(Gateway):
 		"""
 		支付宝异步通知验签
 		"""
+		self.setup_session()
 		form = await request.post()
 		params = dict(form)