diff --git a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/result/WxPayMicropayResult.java b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/result/WxPayMicropayResult.java
index 87aad5f43..36f910be6 100644
--- a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/result/WxPayMicropayResult.java
+++ b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/result/WxPayMicropayResult.java
@@ -18,9 +18,11 @@ import lombok.NoArgsConstructor;
 @NoArgsConstructor
 @XStreamAlias("xml")
 public class WxPayMicropayResult extends BaseWxPayResult {
+  private static final long serialVersionUID = 529670965722059189L;
+
   /**
    * <pre>
-   * 用户标识
+   * 用户标识.
    * openid
    * 是
    * String(128)
@@ -33,7 +35,7 @@ public class WxPayMicropayResult extends BaseWxPayResult {
 
   /**
    * <pre>
-   * 是否关注公众账号
+   * 是否关注公众账号.
    * is_subscribe
    * 是
    * String(1)
@@ -46,7 +48,7 @@ public class WxPayMicropayResult extends BaseWxPayResult {
 
   /**
    * <pre>
-   * 交易类型
+   * 交易类型.
    * trade_type
    * 是
    * String(16)
@@ -59,7 +61,7 @@ public class WxPayMicropayResult extends BaseWxPayResult {
 
   /**
    * <pre>
-   * 付款银行
+   * 付款银行.
    * bank_type
    * 是
    * String(32)
@@ -72,7 +74,7 @@ public class WxPayMicropayResult extends BaseWxPayResult {
 
   /**
    * <pre>
-   * 货币类型
+   * 货币类型.
    * fee_type
    * 否
    * String(16)
@@ -85,7 +87,7 @@ public class WxPayMicropayResult extends BaseWxPayResult {
 
   /**
    * <pre>
-   * 订单金额
+   * 订单金额.
    * total_fee
    * 是
    * Int
@@ -94,11 +96,11 @@ public class WxPayMicropayResult extends BaseWxPayResult {
    * </pre>
    **/
   @XStreamAlias("total_fee")
-  private String totalFee;
+  private Integer totalFee;
 
   /**
    * <pre>
-   * 应结订单金额
+   * 应结订单金额.
    * settlement_total_fee
    * 否
    * Int
@@ -111,7 +113,7 @@ public class WxPayMicropayResult extends BaseWxPayResult {
 
   /**
    * <pre>
-   * 代金券金额
+   * 代金券金额.
    * coupon_fee
    * 否
    * Int
@@ -124,7 +126,7 @@ public class WxPayMicropayResult extends BaseWxPayResult {
 
   /**
    * <pre>
-   * 现金支付货币类型
+   * 现金支付货币类型.
    * cash_fee_type
    * 否
    * String(16)
@@ -137,7 +139,7 @@ public class WxPayMicropayResult extends BaseWxPayResult {
 
   /**
    * <pre>
-   * 现金支付金额
+   * 现金支付金额.
    * cash_fee
    * 是
    * Int
@@ -150,7 +152,7 @@ public class WxPayMicropayResult extends BaseWxPayResult {
 
   /**
    * <pre>
-   * 微信支付订单号
+   * 微信支付订单号.
    * transaction_id
    * 是
    * String(32)
@@ -163,7 +165,7 @@ public class WxPayMicropayResult extends BaseWxPayResult {
 
   /**
    * <pre>
-   * 商户订单号
+   * 商户订单号.
    * out_trade_no
    * 是
    * String(32)
@@ -176,7 +178,7 @@ public class WxPayMicropayResult extends BaseWxPayResult {
 
   /**
    * <pre>
-   * 商家数据包
+   * 商家数据包.
    * attach
    * 否
    * String(128)
@@ -189,7 +191,7 @@ public class WxPayMicropayResult extends BaseWxPayResult {
 
   /**
    * <pre>
-   * 支付完成时间
+   * 支付完成时间.
    * time_end
    * 是
    * String(14)
@@ -202,7 +204,7 @@ public class WxPayMicropayResult extends BaseWxPayResult {
 
   /**
    * <pre>
-   * 营销详情
+   * 营销详情.
    * promotion_detail
    * 否
    * String(6000)