diff --git a/unipay/init.py b/unipay/init.py
index a1c104c..4dd936c 100644
--- a/unipay/init.py
+++ b/unipay/init.py
@@ -184,27 +184,26 @@ async def refund_payment(request, params_kw=None):
 # 微信支付回调入口
 async def wechat_notify(request):
 	debug("wechat notify called .......")
-	json_response = ServerEnv().json_reponse
+	Response = ServerEnv().Response
 	provider = 'wechat'
 	if PROVIDERS[provider] is None:
 		e = Exception(f'{provider} cannot pay')
 		exception(f'{e}')
-		return json_response({"code":"SUCCESS", "message":"OK"})
+		return Response(text='{"code":"SUCCESS","message":"OK"}', content_type='application/json')
 	data = None
 	try:
 		data = await PROVIDERS[provider].handle_notify(request)
 	except Exception as e:
-		e = Exception(f'{provider} cannot pay')
 		exception(f'{e}')
-		return json_response({"code":"SUCCESS", "message":"OK"})
+		return Response(text='{"code":"SUCCESS","message":"OK"}', content_type='application/json')
 	if data is None:
-		return json_response({"code":"SUCCESS", "message":"OK"})
+		return Response(text='{"code":"SUCCESS","message":"OK"}', content_type='application/json')
 	debug(f'{data=}')
 	try:
 		await unipay_accounting(request, data.data)
 	except Exception as e:
 		exception(f'{e}')
-	return json_response({"code":"SUCCESS", "message":"OK"})
+	return Response(text='{"code":"SUCCESS","message":"OK"}', content_type='application/json')
 	
 # 支付宝回调入口
 async def alipay_notify(request):