diff --git a/appstore/model.go b/appstore/model.go
index b694b63..b76c838 100644
--- a/appstore/model.go
+++ b/appstore/model.go
@@ -153,14 +153,14 @@ type (
 	// 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,omitempty"`
-		Receipt                        InApp  `json:"receipt"`
-		LatestReceiptInfo              InApp  `json:"latest_receipt_info,omitempty"`
-		LatestExpiredReceiptInfo       InApp  `json:"latest_expired_receipt_info,omitempty"`
-		LatestReceipt                  string `json:"latest_receipt,omitempty"`
-		SubscriptionAutoRenewStatus    string `json:"auto_renew_status,omitempty"`
-		SubscriptionAutoRenewProductID string `json:"auto_renew_product_id,omitempty"`
-		SubscriptionRetryFlag          string `json:"is_in_billing_retry_period,omitempty"`
+		Status                         int         `json:"status,omitempty"`
+		Receipt                        InApp       `json:"receipt"`
+		LatestReceiptInfo              InApp       `json:"latest_receipt_info,omitempty"`
+		LatestExpiredReceiptInfo       InApp       `json:"latest_expired_receipt_info,omitempty"`
+		LatestReceipt                  string      `json:"latest_receipt,omitempty"`
+		SubscriptionAutoRenewStatus    interface{} `json:"auto_renew_status,omitempty"`
+		SubscriptionAutoRenewProductID string      `json:"auto_renew_product_id,omitempty"`
+		SubscriptionRetryFlag          string      `json:"is_in_billing_retry_period,omitempty"`
 	}
 
 	// The HttpStatusResponse struct contains the status code returned by the store