接口/交易.md

@@ -95,6 +95,7 @@ accepted --> |支付成功| normal
 normal --> |退款请求| refunding2(refunding)
 refunding2 --> |退款失败| normal
 refunding2 --> |部分退款成功| refund
+refunding2 --> |全额退款成功| closed
 refund --> |退款请求| refunding4(refunding)
 
 refunding4 --> |部分退款成功| refund