diff --git a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/message/WxCpXmlApprovalInfo.java b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/message/WxCpXmlApprovalInfo.java
index 997a463f9..798a5c8b0 100644
--- a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/message/WxCpXmlApprovalInfo.java
+++ b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/message/WxCpXmlApprovalInfo.java
@@ -118,7 +118,7 @@ public class WxCpXmlApprovalInfo implements Serializable {
     /**
      * 抄送人userid
      */
-    @XStreamAlias("ItemUserid")
+    @XStreamAlias("ItemUserId")
     @XStreamConverter(value = XStreamCDataConverter.class)
     private String itemUserId;