diff --git a/payment-base-app/src/main/java/com/base/springcloud/wxsdk/WXPayXmlUtil.java b/payment-base-app/src/main/java/com/base/springcloud/wxsdk/WXPayXmlUtil.java
index 9b3e8dd..6b7a4bb 100644
--- a/payment-base-app/src/main/java/com/base/springcloud/wxsdk/WXPayXmlUtil.java
+++ b/payment-base-app/src/main/java/com/base/springcloud/wxsdk/WXPayXmlUtil.java
@@ -7,9 +7,6 @@ import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;
 import javax.xml.parsers.ParserConfigurationException;
 
-/**
- * 2018/7/3
- */
 public final class WXPayXmlUtil {
     public static DocumentBuilder newDocumentBuilder() throws ParserConfigurationException {
         DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
diff --git a/payment-base-app/src/main/java/com/base/springcloud/wxsdk/WxpayUtils.java b/payment-base-app/src/main/java/com/base/springcloud/wxsdk/WxpayUtils.java
index ddbdfee..c424a7b 100644
--- a/payment-base-app/src/main/java/com/base/springcloud/wxsdk/WxpayUtils.java
+++ b/payment-base-app/src/main/java/com/base/springcloud/wxsdk/WxpayUtils.java
@@ -7,8 +7,6 @@ import com.base.springcloud.entity.CallbackBodyVo;
 import com.base.springcloud.entity.WxpayRefundVo;
 import com.base.springcloud.entity.WxpayTradeVo;
 import com.base.springcloud.util.StringHelper;
-import com.fasterxml.jackson.databind.ObjectMapper;
-import com.fasterxml.jackson.databind.node.ObjectNode;
 import com.wechat.pay.contrib.apache.httpclient.WechatPayHttpClientBuilder;
 import com.wechat.pay.contrib.apache.httpclient.util.PemUtil;
 import lombok.extern.slf4j.Slf4j;
@@ -22,7 +20,6 @@ import org.apache.http.impl.client.CloseableHttpClient;
 import org.apache.http.util.EntityUtils;
 import org.springframework.stereotype.Component;
 import org.springframework.util.Base64Utils;
-import sun.misc.BASE64Decoder;
 
 import javax.crypto.BadPaddingException;
 import javax.crypto.Cipher;
@@ -43,11 +40,6 @@ import java.time.ZoneOffset;
 import java.util.*;
 import java.util.stream.Collectors;
 
-/**
- * 微信支付帮助类
- *
- * @author shuaifengjie.com
- */
 @Component
 @Slf4j
 public class WxpayUtils {