diff --git a/appstore/model.go b/appstore/model.go
index a3d4a97..45095da 100644
--- a/appstore/model.go
+++ b/appstore/model.go
@@ -137,11 +137,10 @@ type (
 		PendingRenewalInfo []PendingRenewalInfo `json:"pending_renewal_info,omitempty"`
 		IsRetryable        bool                 `json:"is-retryable,omitempty"`
 	}
-
 	// The IAPLatestResponse type has the response properties
 	// If you use latest_receipt as token to verify, response should be like following struct
 	IAPLatestResponse struct {
-		Status                         int    `json:"status"`
+		Status                         int    `json:"status,omitempty"`
 		Receipt                        InApp  `json:"receipt"`
 		LatestReceiptInfo              InApp  `json:"latest_receipt_info,omitempty"`
 		LatestExpiredReceiptInfo       InApp  `json:"latest_expired_receipt_info,omitempty"`
diff --git a/appstore/notification.go b/appstore/notification.go
index 4c2b680..4a38b82 100644
--- a/appstore/notification.go
+++ b/appstore/notification.go
@@ -71,11 +71,11 @@ type SubscriptionNotification struct {
 	ExpirationIntent string `json:"expiration_intent"`
 
 	// Auto renew info
-	AutoRenewStatus    int    `json:"auto_renew_status"` // false or true
+	AutoRenewStatus    string    `json:"auto_renew_status"` // false or true
 	AutoRenewProductID string `json:"auto_renew_product_id"`
 
 	// HACK (msyrus): Separate Subscriptiton Notification from Notification verification response
-	Status                int                 `json:"status"`
+	Status                int                 `json:"status,omitempty"`
 	Receipt               NotificationReceipt `json:"recipt"`
 	SubscriptionRetryFlag string              `json:"is_in_billing_retry_period"`