diff --git a/unipay/.init.py.swp b/unipay/.init.py.swp
deleted file mode 100644
index 211d800..0000000
Binary files a/unipay/.init.py.swp and /dev/null differ
diff --git a/unipay/init.py b/unipay/init.py
index 4c94113..a41605a 100644
--- a/unipay/init.py
+++ b/unipay/init.py
@@ -6,27 +6,27 @@ from paylog import PaymentLog
 
 # 从 env 或配置载入 provider conf（这里只示例）
 CONF = {
-    "wechat": {
-        "mchid": os.getenv("WXP_MCHID",""),
-        "serial_no": os.getenv("WXP_SERIAL",""),
-        "privkey_pem": open(os.getenv("WXP_PRIVKEY","./merchant_private_key.pem"),"rb").read(),
-        "platform_pub_pem": open(os.getenv("WXP_PLATFORM_PUB","./platform_pub.pem"),"rb").read(),
-        "api_v3_key": os.getenv("WXP_API_V3_KEY","").encode()
-    },
-    "paypal": {
-        "client_id": os.getenv("PP_ID",""),
-        "client_secret": os.getenv("PP_SECRET",""),
-        "sandbox": True
-    },
-    "alipay": {
-        "app_id": os.getenv("ALIPAY_APPID",""),
-        "privkey_pem": open(os.getenv("ALIPAY_PRIV","./alipay_priv.pem"),"rb").read(),
-        "alipay_pub_pem": open(os.getenv("ALIPAY_PUB","./alipay_pub.pem"),"rb").read(),
-        "sandbox": True
-    },
-    "stripe": {
-        "api_key": os.getenv("STRIPE_KEY","")
-    }
+	"wechat": {
+		"mchid": os.getenv("WXP_MCHID",""),
+		"serial_no": os.getenv("WXP_SERIAL",""),
+		"privkey_pem": open(os.getenv("WXP_PRIVKEY","./merchant_private_key.pem"),"rb").read(),
+		"platform_pub_pem": open(os.getenv("WXP_PLATFORM_PUB","./platform_pub.pem"),"rb").read(),
+		"api_v3_key": os.getenv("WXP_API_V3_KEY","").encode()
+	},
+	"paypal": {
+		"client_id": os.getenv("PP_ID",""),
+		"client_secret": os.getenv("PP_SECRET",""),
+		"sandbox": True
+	},
+	"alipay": {
+		"app_id": os.getenv("ALIPAY_APPID",""),
+		"privkey_pem": open(os.getenv("ALIPAY_PRIV","./alipay_priv.pem"),"rb").read(),
+		"alipay_pub_pem": open(os.getenv("ALIPAY_PUB","./alipay_pub.pem"),"rb").read(),
+		"sandbox": True
+	},
+	"stripe": {
+		"api_key": os.getenv("STRIPE_KEY","")
+	}
 }
 
 PROVIDERS = {}
@@ -34,13 +34,13 @@ PROVIDERS = {}
 
 # 下单接口（统一）
 async def create_payment(request, params_kw=None):
-    if params_kw is None:
-		params_kw = request.paams_kw
+	if params_kw is None:
+		params_kw = request.params_kw
 	data = params_kw
-    provider = data.get("provider")
-    if provider not in PROVIDERS:
-        return {"error":"unknown provider"}
-    try:
+	provider = data.get("provider")
+	if provider not in PROVIDERS:
+		return {"error":"unknown provider"}
+	try:
 		pl = PaymentLog(request._run_ns)
 		channel = get_provider_channel(provider)
 		userid = await get_suer()
@@ -56,68 +56,68 @@ async def create_payment(request, params_kw=None):
 			res = await PROVIDERS[provider].create_payment(data)
 			return res
 		raise Exception('write payment_log error')
-    except Exception as e:
-        return {"error": str(e)}
+	except Exception as e:
+		return {"error": str(e)}
 
 # 查询
 async def query_payment(request, params_kw=None):
-    if params_kw is None:
-		params_kw = request.paams_kw
+	if params_kw is None:
+		params_kw = request.params_kw
 	data = params_kw
-    provider = data.get("provider")
-    if provider not in PROVIDERS:
-        return {"error":"unknown provider"}
-    try:
-        res = await PROVIDERS[provider].query(data)
-        return res
-    except Exception as e:
-        return {"error": str(e)}
+	provider = data.get("provider")
+	if provider not in PROVIDERS:
+		return {"error":"unknown provider"}
+	try:
+		res = await PROVIDERS[provider].query(data)
+		return res
+	except Exception as e:
+		return {"error": str(e)}
 
 # 退款
 async def refund_payment(request, params_kw=None):
-    if params_kw is None:
-		params_kw = request.paams_kw
+	if params_kw is None:
+		params_kw = request.params_kw
 	data = params_kw
-    provider = data.get("provider")
-    if provider not in PROVIDERS:
-        return {"error":"unknown provider"}
-    try:
-        res = await PROVIDERS[provider].refund(data)
-        return res
-    except Exception as e:
-        return {"error": str(e)}
+	provider = data.get("provider")
+	if provider not in PROVIDERS:
+		return {"error":"unknown provider"}
+	try:
+		res = await PROVIDERS[provider].refund(data)
+		return res
+	except Exception as e:
+		return {"error": str(e)}
 
 # 回调入口：你可把厂商回调用各自 endpoint 再转发到这里，或在厂商控制台按各自 URL 配置
 async def payment_notify(request, callback, params_kw=None):
-    if params_kw is None:
-		params_kw = request.paams_kw
+	if params_kw is None:
+		params_kw = request.params_kw
 	data = params_kw
 	provider = params_kw.provider
-    headers = dict(request.headers)
-    body = await request.text()
-    try:
-        data = await PROVIDERS[provider].handle_notify(headers, body)
-        # 这里 data 应包含标准化字段：out_trade_no/status/attach 等
-        # TODO: 业务幂等处理
-        # 返回厂商要求的固定成功响应
+	headers = dict(request.headers)
+	body = await request.text()
+	try:
+		data = await PROVIDERS[provider].handle_notify(headers, body)
+		# 这里 data 应包含标准化字段：out_trade_no/status/attach 等
+		# TODO: 业务幂等处理
+		# 返回厂商要求的固定成功响应
 		logid = data['out_trade_no']
 		pl = PaymentLog(request._run_ns)
 		await pl.payed_log(logid)
 		await callback(request, data)
-        if provider == "wechat":
-            return {"code":"SUCCESS", "message":"OK"}
-        else:
-            return "OK"
-    except Exception as e:
-        return web.Response(status=500, text=str(e))
+		if provider == "wechat":
+			return {"code":"SUCCESS", "message":"OK"}
+		else:
+			return "OK"
+	except Exception as e:
+		return web.Response(status=500, text=str(e))
 
 # callback url= "/unipay/notify/{provider}"
 
 def load_unipay():
-    PROVIDERS["wechat"] = get_provider("wechat", CONF["wechat"]),
-    PROVIDERS["paypal"] = get_provider("paypal", CONF["paypal"]),
-    PROVIDERS["alipay"] = get_provider("alipay", CONF["alipay"]),
-    PROVIDERS["stripe"] = get_provider("stripe", CONF["stripe"])
+	PROVIDERS["wechat"] = get_provider("wechat", CONF["wechat"]),
+	PROVIDERS["paypal"] = get_provider("paypal", CONF["paypal"]),
+	PROVIDERS["alipay"] = get_provider("alipay", CONF["alipay"]),
+	PROVIDERS["stripe"] = get_provider("stripe", CONF["stripe"])
 	env = ServerEnv()
 	env.payment_notify = payment_notify
 	env.create_payment = create_payment