fix and code

temp/pay/pay.api

@@ -0,0 +1,28 @@
+syntax = "v1"
+
+info (
+	title:  "产品支付服务"
+	desc:   "产品支付服务"
+	author: "Liangzai"
+	email:  "2440983361@qq.com"
+)
+
+type (
+	PaymentReq {
+		Id        string `json:"id"`
+		PayMethod string `json:"pay_method"`
+	}
+	PaymentResp {
+		prepayData interface{} `json:"prepay_data"`
+		prepayId string `json:"prepay_id"`
+		OrderID  int64  `json:"order_id"`
+	}
+)
+
+type (
+	IapCallbackReq {
+		OrderID int64 `json:"order_id" validate:"required"`
+		TransactionReceipt string `json:"transaction_receipt" validate:"required"`
+	}
+)
+