🎨 #3106 【微信支付】退款结果通知里退款金额等字段类型修复

weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/ecommerce/RefundNotifyResult.java

@@ -199,7 +199,7 @@ public class RefundNotifyResult implements Serializable {
      * </pre>
      */
     @SerializedName(value = "refund")
-    private String refund;
+    private Integer refund;
 
     /**
      * <pre>
@@ -227,7 +227,7 @@ public class RefundNotifyResult implements Serializable {
      * </pre>
      */
     @SerializedName(value = "payer_refund")
-    private String payerRefund;
+    private Integer payerRefund;
   }
 
 }