diff --git a/pay-java-ali/src/main/java/com/egzosn/pay/ali/bean/AliTransactionType.java b/pay-java-ali/src/main/java/com/egzosn/pay/ali/bean/AliTransactionType.java
index 3c0b6b7..ff1a4fd 100644
--- a/pay-java-ali/src/main/java/com/egzosn/pay/ali/bean/AliTransactionType.java
+++ b/pay-java-ali/src/main/java/com/egzosn/pay/ali/bean/AliTransactionType.java
@@ -62,7 +62,7 @@ public enum  AliTransactionType implements TransactionType {
     /**
      * 交易订单撤销
      */
-    CANCEL("alipay.trade.cancel "),
+    CANCEL("alipay.trade.cancel"),
     /**
      * 退款
      */