diff --git a/pay-java-paypal/src/main/java/com/egzosn/pay/paypal/v2/api/PayPalPayService.java b/pay-java-paypal/src/main/java/com/egzosn/pay/paypal/v2/api/PayPalPayService.java
index 8cab6f9..9dc566f 100644
--- a/pay-java-paypal/src/main/java/com/egzosn/pay/paypal/v2/api/PayPalPayService.java
+++ b/pay-java-paypal/src/main/java/com/egzosn/pay/paypal/v2/api/PayPalPayService.java
@@ -297,7 +297,7 @@ public class PayPalPayService extends BasePayService<PayPalConfigStorage> implem
         header.addHeader(new BasicHeader("prefer", "return=representation"));
         entity.setHeaders(header);
         JSONObject resp = getHttpRequestTemplate().postForObject(getReqUrl(order.getTransactionType()), entity, JSONObject.class);
-        if ("created".equals(resp.getString("state")) && StringUtils.isNotEmpty(resp.getString("id"))) {
+        if ("created".equalsIgnoreCase(resp.getString("state")) && StringUtils.isNotEmpty(resp.getString("id"))) {
             order.setTradeNo(resp.getString("id"));
         }
         return preOrderHandler(resp, order);