diff --git a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/PayBaseInfo.java b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/PayBaseInfo.java
index 7ea9f9f0..4a6af1ad 100644
--- a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/PayBaseInfo.java
+++ b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/PayBaseInfo.java
@@ -28,31 +28,31 @@ public class PayBaseInfo implements Serializable {
 	/**
 	 * 公众号ID
 	 */
-	@JSONField(name = "AppId")
+	@JSONField(name = "appId")
 	@XmlElement(name = "AppId")
 	private String appId;
 	/**
 	 * 时间戳
 	 */
-	@JSONField(name = "TimeStamp")
+	@JSONField(name = "timeStamp")
 	@XmlElement(name = "TimeStamp")
 	private String timeStamp;
 	/**
 	 * 随机字符串
 	 */
-	@JSONField(name = "NonceStr")
+	@JSONField(name = "nonceStr")
 	@XmlElement(name = "NonceStr")
 	private String nonceStr;
 	/**
 	 * 签名结果
 	 */
-	@JSONField(name = "AppSignature")
+	@JSONField(name = "paySign")
 	@XmlElement(name = "AppSignature")
 	private String paySign;
 	/**
 	 * 签名方式
 	 */
-	@JSONField(name = "SignMethod")
+	@JSONField(name = "signType")
 	@XmlElement(name = "SignMethod")
 	private String signType;
 
diff --git a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/type/TradeType.java b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/type/TradeType.java
index 9a642993..d28c6e88 100644
--- a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/type/TradeType.java
+++ b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/type/TradeType.java
@@ -19,7 +19,7 @@ public enum TradeType {
 	 */
 	MICROPAY,
 	/**
-	 * 扫描支付
+	 * 扫码支付
 	 */
 	NATIVE,
 	/**
diff --git a/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/model/User.java b/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/model/User.java
index 126c06f5..c01a3eb0 100644
--- a/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/model/User.java
+++ b/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/model/User.java
@@ -3,6 +3,7 @@ package com.foxinmy.weixin4j.mp.model;
 import java.io.Serializable;
 import java.util.Date;
 
+import com.alibaba.fastjson.JSONArray;
 import com.alibaba.fastjson.annotation.JSONField;
 import com.foxinmy.weixin4j.model.Gender;
 import com.foxinmy.weixin4j.mp.type.FaceSize;
@@ -57,7 +58,7 @@ public class User implements Serializable {
 	/**
 	 * 用户特权信息，json 数组，如微信沃卡用户为（chinaunicom）
 	 */
-	private String privilege;
+	private JSONArray privilege;
 	/**
 	 * 用户是否订阅该公众号标识，值为0时，代表此用户没有关注该公众号，拉取不到其余信息。
 	 */
@@ -163,11 +164,11 @@ public class User implements Serializable {
 		this.headimgurl = headimgurl;
 	}
 
-	public String getPrivilege() {
+	public JSONArray getPrivilege() {
 		return privilege;
 	}
 
-	public void setPrivilege(String privilege) {
+	public void setPrivilege(JSONArray privilege) {
 		this.privilege = privilege;
 	}
 
@@ -237,7 +238,13 @@ public class User implements Serializable {
 	@Override
 	public boolean equals(Object obj) {
 		if (obj instanceof User) {
-			return openId.equals(((User) obj).getOpenId());
+			User another = (User) obj;
+			if (unionId != null && another.getUnionId() != null) {
+				return unionId.equals(another.getUnionId());
+			}
+			if (openId != null && another.getOpenId() != null) {
+				return openId.equals(another.getOpenId());
+			}
 		}
 		return false;
 	}