diff --git a/unipay/providers/wechat.py b/unipay/providers/wechat.py
index 5297a01..ace712d 100644
--- a/unipay/providers/wechat.py
+++ b/unipay/providers/wechat.py
@@ -152,7 +152,7 @@ class WechatGateway(Gateway):
 			"out_trade_no": payload["out_trade_no"],
 			"notify_url": payload["notify_url"],
 			"amount": {
-				"total": int(payload["amount"]),
+				"total": int(payload["amount"] * 100),
 				"currency": payload.get("currency", "CNY")
 			}
 		}