bugfix

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)