diff --git a/weixin-java-common/src/main/java/me/chanjar/weixin/common/api/WxConsts.java b/weixin-java-common/src/main/java/me/chanjar/weixin/common/api/WxConsts.java
index 37812de76..35a1a26ea 100644
--- a/weixin-java-common/src/main/java/me/chanjar/weixin/common/api/WxConsts.java
+++ b/weixin-java-common/src/main/java/me/chanjar/weixin/common/api/WxConsts.java
@@ -6,7 +6,7 @@ import java.util.Map;
 /**
  * 微信开发所使用到的常量类.
  *
- * @author chanjarster & binarywang
+ * @author Daniel Qian & binarywang
  */
 public class WxConsts {
   /**
diff --git a/weixin-java-common/src/main/java/me/chanjar/weixin/common/api/WxErrorExceptionHandler.java b/weixin-java-common/src/main/java/me/chanjar/weixin/common/api/WxErrorExceptionHandler.java
index 7a452df66..83242e2f7 100644
--- a/weixin-java-common/src/main/java/me/chanjar/weixin/common/api/WxErrorExceptionHandler.java
+++ b/weixin-java-common/src/main/java/me/chanjar/weixin/common/api/WxErrorExceptionHandler.java
@@ -4,6 +4,8 @@ import me.chanjar.weixin.common.error.WxErrorException;
 
 /**
  * WxErrorException处理器.
+ *
+ * @author Daniel Qian
  */
 public interface WxErrorExceptionHandler {
 
diff --git a/weixin-java-common/src/main/java/me/chanjar/weixin/common/api/WxMessageDuplicateChecker.java b/weixin-java-common/src/main/java/me/chanjar/weixin/common/api/WxMessageDuplicateChecker.java
index fdb0cd81b..3993dab54 100644
--- a/weixin-java-common/src/main/java/me/chanjar/weixin/common/api/WxMessageDuplicateChecker.java
+++ b/weixin-java-common/src/main/java/me/chanjar/weixin/common/api/WxMessageDuplicateChecker.java
@@ -5,6 +5,8 @@ package me.chanjar.weixin.common.api;
  * 消息重复检查器.
  * 微信服务器在五秒内收不到响应会断掉连接，并且重新发起请求，总共重试三次
  * </pre>
+ *
+ * @author Daniel Qian
  */
 public interface WxMessageDuplicateChecker {
 
diff --git a/weixin-java-common/src/main/java/me/chanjar/weixin/common/api/WxMessageInMemoryDuplicateChecker.java b/weixin-java-common/src/main/java/me/chanjar/weixin/common/api/WxMessageInMemoryDuplicateChecker.java
index d8be08f44..c0f57c83c 100644
--- a/weixin-java-common/src/main/java/me/chanjar/weixin/common/api/WxMessageInMemoryDuplicateChecker.java
+++ b/weixin-java-common/src/main/java/me/chanjar/weixin/common/api/WxMessageInMemoryDuplicateChecker.java
@@ -9,6 +9,8 @@ import java.util.concurrent.atomic.AtomicBoolean;
  * 默认消息重复检查器.
  * 将每个消息id保存在内存里，每隔5秒清理已经过期的消息id，每个消息id的过期时间是15秒
  * </pre>
+ *
+ * @author Daniel Qian
  */
 public class WxMessageInMemoryDuplicateChecker implements WxMessageDuplicateChecker {
 
diff --git a/weixin-java-common/src/main/java/me/chanjar/weixin/common/bean/WxAccessToken.java b/weixin-java-common/src/main/java/me/chanjar/weixin/common/bean/WxAccessToken.java
index 632796515..3935e5f55 100644
--- a/weixin-java-common/src/main/java/me/chanjar/weixin/common/bean/WxAccessToken.java
+++ b/weixin-java-common/src/main/java/me/chanjar/weixin/common/bean/WxAccessToken.java
@@ -1,10 +1,15 @@
 package me.chanjar.weixin.common.bean;
 
+import java.io.Serializable;
+
 import lombok.Data;
 import me.chanjar.weixin.common.util.json.WxGsonBuilder;
 
-import java.io.Serializable;
-
+/**
+ * access token.
+ *
+ * @author Daniel Qian
+ */
 @Data
 public class WxAccessToken implements Serializable {
   private static final long serialVersionUID = 8709719312922168909L;
diff --git a/weixin-java-common/src/main/java/me/chanjar/weixin/common/bean/WxJsapiSignature.java b/weixin-java-common/src/main/java/me/chanjar/weixin/common/bean/WxJsapiSignature.java
index fb585d36d..759f5e12f 100644
--- a/weixin-java-common/src/main/java/me/chanjar/weixin/common/bean/WxJsapiSignature.java
+++ b/weixin-java-common/src/main/java/me/chanjar/weixin/common/bean/WxJsapiSignature.java
@@ -1,16 +1,16 @@
 package me.chanjar.weixin.common.bean;
 
+import java.io.Serializable;
+
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 
-import java.io.Serializable;
-
 /**
  * jspai signature.
  *
- * @author chanjarster
+ * @author Daniel Qian
  */
 @Data
 @Builder
diff --git a/weixin-java-common/src/main/java/me/chanjar/weixin/common/bean/menu/WxMenuButton.java b/weixin-java-common/src/main/java/me/chanjar/weixin/common/bean/menu/WxMenuButton.java
index d6d741333..5e0b9db96 100644
--- a/weixin-java-common/src/main/java/me/chanjar/weixin/common/bean/menu/WxMenuButton.java
+++ b/weixin-java-common/src/main/java/me/chanjar/weixin/common/bean/menu/WxMenuButton.java
@@ -10,6 +10,11 @@ import org.apache.commons.lang3.builder.ToStringStyle;
 import com.google.gson.annotations.SerializedName;
 import lombok.Data;
 
+/**
+ * menu button.
+ *
+ * @author Daniel Qian
+ */
 @Data
 public class WxMenuButton implements Serializable {
   private static final long serialVersionUID = -1070939403109776555L;
diff --git a/weixin-java-common/src/main/java/me/chanjar/weixin/common/bean/menu/WxMenuRule.java b/weixin-java-common/src/main/java/me/chanjar/weixin/common/bean/menu/WxMenuRule.java
index 021ba98b7..632279b92 100644
--- a/weixin-java-common/src/main/java/me/chanjar/weixin/common/bean/menu/WxMenuRule.java
+++ b/weixin-java-common/src/main/java/me/chanjar/weixin/common/bean/menu/WxMenuRule.java
@@ -8,6 +8,11 @@ import org.apache.commons.lang3.builder.ToStringStyle;
 import com.google.gson.annotations.SerializedName;
 import lombok.Data;
 
+/**
+ * menu rule.
+ *
+ * @author Daniel Qian
+ */
 @Data
 public class WxMenuRule implements Serializable {
   private static final long serialVersionUID = -4587181819499286670L;
diff --git a/weixin-java-common/src/main/java/me/chanjar/weixin/common/bean/result/WxMediaUploadResult.java b/weixin-java-common/src/main/java/me/chanjar/weixin/common/bean/result/WxMediaUploadResult.java
index 6c0bbc12d..49e680fab 100644
--- a/weixin-java-common/src/main/java/me/chanjar/weixin/common/bean/result/WxMediaUploadResult.java
+++ b/weixin-java-common/src/main/java/me/chanjar/weixin/common/bean/result/WxMediaUploadResult.java
@@ -8,6 +8,10 @@ import org.apache.commons.lang3.builder.ToStringStyle;
 import lombok.Data;
 import me.chanjar.weixin.common.util.json.WxGsonBuilder;
 
+/**
+ *
+ * @author Daniel Qian
+ */
 @Data
 public class WxMediaUploadResult implements Serializable {
   private static final long serialVersionUID = 330834334738622341L;
diff --git a/weixin-java-common/src/main/java/me/chanjar/weixin/common/session/InternalSession.java b/weixin-java-common/src/main/java/me/chanjar/weixin/common/session/InternalSession.java
index 77d4d2829..05cb41363 100644
--- a/weixin-java-common/src/main/java/me/chanjar/weixin/common/session/InternalSession.java
+++ b/weixin-java-common/src/main/java/me/chanjar/weixin/common/session/InternalSession.java
@@ -1,5 +1,9 @@
 package me.chanjar.weixin.common.session;
 
+/**
+ *
+ * @author Daniel Qian
+ */
 public interface InternalSession {
 
   /**
diff --git a/weixin-java-common/src/main/java/me/chanjar/weixin/common/session/InternalSessionManager.java b/weixin-java-common/src/main/java/me/chanjar/weixin/common/session/InternalSessionManager.java
index a92e10715..e3d9ab835 100644
--- a/weixin-java-common/src/main/java/me/chanjar/weixin/common/session/InternalSessionManager.java
+++ b/weixin-java-common/src/main/java/me/chanjar/weixin/common/session/InternalSessionManager.java
@@ -1,5 +1,8 @@
 package me.chanjar.weixin.common.session;
 
+/**
+ * @author Daniel Qian
+ */
 public interface InternalSessionManager {
 
   /**
diff --git a/weixin-java-common/src/main/java/me/chanjar/weixin/common/session/StandardSession.java b/weixin-java-common/src/main/java/me/chanjar/weixin/common/session/StandardSession.java
index 62b609271..3c4ec20c8 100644
--- a/weixin-java-common/src/main/java/me/chanjar/weixin/common/session/StandardSession.java
+++ b/weixin-java-common/src/main/java/me/chanjar/weixin/common/session/StandardSession.java
@@ -1,11 +1,18 @@
 package me.chanjar.weixin.common.session;
 
-import me.chanjar.weixin.common.util.res.StringManager;
-
-import java.util.*;
+import java.util.Collections;
+import java.util.Enumeration;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.atomic.AtomicInteger;
 
+import me.chanjar.weixin.common.util.res.StringManager;
+
+/**
+ * @author Daniel Qian
+ */
 public class StandardSession implements WxSession, InternalSession {
 
   /**
diff --git a/weixin-java-common/src/main/java/me/chanjar/weixin/common/session/StandardSessionFacade.java b/weixin-java-common/src/main/java/me/chanjar/weixin/common/session/StandardSessionFacade.java
index e44930896..aa9f87713 100644
--- a/weixin-java-common/src/main/java/me/chanjar/weixin/common/session/StandardSessionFacade.java
+++ b/weixin-java-common/src/main/java/me/chanjar/weixin/common/session/StandardSessionFacade.java
@@ -2,6 +2,9 @@ package me.chanjar.weixin.common.session;
 
 import java.util.Enumeration;
 
+/**
+ * @author Daniel Qian
+ */
 public class StandardSessionFacade implements WxSession {
 
   /**
diff --git a/weixin-java-common/src/main/java/me/chanjar/weixin/common/session/StandardSessionManager.java b/weixin-java-common/src/main/java/me/chanjar/weixin/common/session/StandardSessionManager.java
index bfc0d0100..bf2e73587 100644
--- a/weixin-java-common/src/main/java/me/chanjar/weixin/common/session/StandardSessionManager.java
+++ b/weixin-java-common/src/main/java/me/chanjar/weixin/common/session/StandardSessionManager.java
@@ -1,15 +1,18 @@
 package me.chanjar.weixin.common.session;
 
-import me.chanjar.weixin.common.util.res.StringManager;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.atomic.AtomicBoolean;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import me.chanjar.weixin.common.util.res.StringManager;
+
 /**
- * 基于内存的session manager
+ * 基于内存的session manager.
+ *
+ * @author Daniel Qian
  */
 public class StandardSessionManager implements WxSessionManager, InternalSessionManager {
 
diff --git a/weixin-java-common/src/main/java/me/chanjar/weixin/common/session/TooManyActiveSessionsException.java b/weixin-java-common/src/main/java/me/chanjar/weixin/common/session/TooManyActiveSessionsException.java
index fa1b45faf..114dd1c4e 100644
--- a/weixin-java-common/src/main/java/me/chanjar/weixin/common/session/TooManyActiveSessionsException.java
+++ b/weixin-java-common/src/main/java/me/chanjar/weixin/common/session/TooManyActiveSessionsException.java
@@ -19,6 +19,8 @@ package me.chanjar.weixin.common.session;
 /**
  * An exception that indicates the maximum number of active sessions has been
  * reached and the server is refusing to create any new sessions.
+ *
+ * @author Daniel Qian
  */
 public class TooManyActiveSessionsException
   extends IllegalStateException {
diff --git a/weixin-java-common/src/main/java/me/chanjar/weixin/common/session/WxSession.java b/weixin-java-common/src/main/java/me/chanjar/weixin/common/session/WxSession.java
index 25bed2d27..3aa79f9ad 100644
--- a/weixin-java-common/src/main/java/me/chanjar/weixin/common/session/WxSession.java
+++ b/weixin-java-common/src/main/java/me/chanjar/weixin/common/session/WxSession.java
@@ -2,6 +2,9 @@ package me.chanjar.weixin.common.session;
 
 import java.util.Enumeration;
 
+/**
+ * @author Daniel Qian
+ */
 public interface WxSession {
 
   Object getAttribute(String name);
diff --git a/weixin-java-common/src/main/java/me/chanjar/weixin/common/session/WxSessionManager.java b/weixin-java-common/src/main/java/me/chanjar/weixin/common/session/WxSessionManager.java
index c966ddab2..789e27287 100644
--- a/weixin-java-common/src/main/java/me/chanjar/weixin/common/session/WxSessionManager.java
+++ b/weixin-java-common/src/main/java/me/chanjar/weixin/common/session/WxSessionManager.java
@@ -1,5 +1,8 @@
 package me.chanjar.weixin.common.session;
 
+/**
+ * @author Daniel Qian
+ */
 public interface WxSessionManager {
 
   /**
diff --git a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/WxCpXmlMessage.java b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/WxCpXmlMessage.java
index 97380c4e9..abb880d2e 100644
--- a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/WxCpXmlMessage.java
+++ b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/WxCpXmlMessage.java
@@ -13,6 +13,7 @@ import org.apache.commons.lang3.builder.ToStringStyle;
 import com.thoughtworks.xstream.annotations.XStreamAlias;
 import com.thoughtworks.xstream.annotations.XStreamConverter;
 import lombok.Data;
+import lombok.extern.slf4j.Slf4j;
 import me.chanjar.weixin.common.api.WxConsts;
 import me.chanjar.weixin.common.util.xml.XStreamCDataConverter;
 import me.chanjar.weixin.cp.config.WxCpConfigStorage;
@@ -29,8 +30,9 @@ import me.chanjar.weixin.cp.util.xml.XStreamTransformer;
  *
  * @author Daniel Qian
  */
-@XStreamAlias("xml")
 @Data
+@Slf4j
+@XStreamAlias("xml")
 public class WxCpXmlMessage implements Serializable {
   private static final long serialVersionUID = -1042994982179476410L;
 
@@ -52,6 +54,24 @@ public class WxCpXmlMessage implements Serializable {
   @XStreamAlias("CreateTime")
   private Long createTime;
 
+  /**
+   * <pre>
+   * 当接受用户消息时，可能会获得以下值：
+   * {@link WxConsts.XmlMsgType#TEXT}
+   * {@link WxConsts.XmlMsgType#IMAGE}
+   * {@link WxConsts.XmlMsgType#VOICE}
+   * {@link WxConsts.XmlMsgType#VIDEO}
+   * {@link WxConsts.XmlMsgType#LOCATION}
+   * {@link WxConsts.XmlMsgType#LINK}
+   * {@link WxConsts.XmlMsgType#EVENT}
+   * 当发送消息的时候使用：
+   * {@link WxConsts.XmlMsgType#TEXT}
+   * {@link WxConsts.XmlMsgType#IMAGE}
+   * {@link WxConsts.XmlMsgType#VOICE}
+   * {@link WxConsts.XmlMsgType#VIDEO}
+   * {@link WxConsts.XmlMsgType#NEWS}
+   * </pre>
+   */
   @XStreamAlias("MsgType")
   @XStreamConverter(value = XStreamCDataConverter.class)
   private String msgType;
@@ -339,19 +359,16 @@ public class WxCpXmlMessage implements Serializable {
   /**
    * 从加密字符串转换.
    */
-  public static WxCpXmlMessage fromEncryptedXml(
-    String encryptedXml,
-    WxCpConfigStorage wxCpConfigStorage,
-    String timestamp, String nonce, String msgSignature) {
+  public static WxCpXmlMessage fromEncryptedXml(String encryptedXml, WxCpConfigStorage wxCpConfigStorage,
+                                                String timestamp, String nonce, String msgSignature) {
     WxCpCryptUtil cryptUtil = new WxCpCryptUtil(wxCpConfigStorage);
     String plainText = cryptUtil.decrypt(msgSignature, timestamp, nonce, encryptedXml);
+    log.debug("解密后的原始xml消息内容：{}", plainText);
     return fromXml(plainText);
   }
 
-  public static WxCpXmlMessage fromEncryptedXml(
-    InputStream is,
-    WxCpConfigStorage wxCpConfigStorage,
-    String timestamp, String nonce, String msgSignature) {
+  public static WxCpXmlMessage fromEncryptedXml(InputStream is, WxCpConfigStorage wxCpConfigStorage,
+                                                String timestamp, String nonce, String msgSignature) {
     try {
       return fromEncryptedXml(IOUtils.toString(is, "UTF-8"), wxCpConfigStorage, timestamp, nonce, msgSignature);
     } catch (IOException e) {
@@ -359,36 +376,6 @@ public class WxCpXmlMessage implements Serializable {
     }
   }
 
-  /**
-   * <pre>
-   * 当接受用户消息时，可能会获得以下值：
-   * {@link WxConsts.XmlMsgType#TEXT}
-   * {@link WxConsts.XmlMsgType#IMAGE}
-   * {@link WxConsts.XmlMsgType#VOICE}
-   * {@link WxConsts.XmlMsgType#VIDEO}
-   * {@link WxConsts.XmlMsgType#LOCATION}
-   * {@link WxConsts.XmlMsgType#LINK}
-   * {@link WxConsts.XmlMsgType#EVENT}
-   * </pre>
-   */
-  public String getMsgType() {
-    return this.msgType;
-  }
-
-  /**
-   * <pre>
-   * 当发送消息的时候使用：
-   * {@link WxConsts.XmlMsgType#TEXT}
-   * {@link WxConsts.XmlMsgType#IMAGE}
-   * {@link WxConsts.XmlMsgType#VOICE}
-   * {@link WxConsts.XmlMsgType#VIDEO}
-   * {@link WxConsts.XmlMsgType#NEWS}
-   * </pre>
-   */
-  public void setMsgType(String msgType) {
-    this.msgType = msgType;
-  }
-
   @Override
   public String toString() {
     return ToStringBuilder.reflectionToString(this, ToStringStyle.JSON_STYLE);
diff --git a/weixin-java-cp/src/test/java/me/chanjar/weixin/cp/demo/WxCpDemoServer.java b/weixin-java-cp/src/test/java/me/chanjar/weixin/cp/demo/WxCpDemoServer.java
index a9ab309c3..ff204a80f 100644
--- a/weixin-java-cp/src/test/java/me/chanjar/weixin/cp/demo/WxCpDemoServer.java
+++ b/weixin-java-cp/src/test/java/me/chanjar/weixin/cp/demo/WxCpDemoServer.java
@@ -1,6 +1,16 @@
 package me.chanjar.weixin.cp.demo;
 
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Map;
+
+import org.eclipse.jetty.server.Server;
+import org.eclipse.jetty.servlet.ServletHandler;
+import org.eclipse.jetty.servlet.ServletHolder;
+
+import me.chanjar.weixin.common.error.WxErrorException;
 import me.chanjar.weixin.common.session.WxSessionManager;
+import me.chanjar.weixin.cp.WxCpConsts;
 import me.chanjar.weixin.cp.api.WxCpService;
 import me.chanjar.weixin.cp.api.impl.WxCpServiceImpl;
 import me.chanjar.weixin.cp.bean.WxCpXmlMessage;
@@ -9,13 +19,6 @@ import me.chanjar.weixin.cp.bean.WxCpXmlOutTextMessage;
 import me.chanjar.weixin.cp.config.WxCpConfigStorage;
 import me.chanjar.weixin.cp.message.WxCpMessageHandler;
 import me.chanjar.weixin.cp.message.WxCpMessageRouter;
-import org.eclipse.jetty.server.Server;
-import org.eclipse.jetty.servlet.ServletHandler;
-import org.eclipse.jetty.servlet.ServletHolder;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.util.Map;
 
 public class WxCpDemoServer {
 
@@ -78,9 +81,26 @@ public class WxCpDemoServer {
       };
 
       wxCpMessageRouter = new WxCpMessageRouter(wxCpService);
-      wxCpMessageRouter.rule().async(false).content("哈哈") // 拦截内容为“哈哈”的消息
-        .handler(handler).end().rule().async(false).content("oauth")
-        .handler(oauth2handler).end();
+      wxCpMessageRouter.rule()
+        .async(false)
+        .content("哈哈") // 拦截内容为“哈哈”的消息
+        .handler(handler)
+        .end()
+        .rule()
+        .async(false)
+        .content("oauth")
+        .handler(oauth2handler)
+        .end()
+        .rule()
+        .event(WxCpConsts.EventType.CHANGE_CONTACT)
+        .handler(new WxCpMessageHandler() {
+          @Override
+          public WxCpXmlOutMessage handle(WxCpXmlMessage wxMessage, Map<String, Object> context, WxCpService wxCpService, WxSessionManager sessionManager) throws WxErrorException {
+            System.out.println("通讯录发生变更");
+            return null;
+          }
+        })
+        .end();
 
     }
   }
diff --git a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/message/WxMpXmlMessage.java b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/message/WxMpXmlMessage.java
index 477a885c3..e65a4d31b 100644
--- a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/message/WxMpXmlMessage.java
+++ b/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/message/WxMpXmlMessage.java
@@ -11,6 +11,7 @@ import org.apache.commons.lang3.builder.ToStringStyle;
 import com.thoughtworks.xstream.annotations.XStreamAlias;
 import com.thoughtworks.xstream.annotations.XStreamConverter;
 import lombok.Data;
+import lombok.extern.slf4j.Slf4j;
 import me.chanjar.weixin.common.api.WxConsts;
 import me.chanjar.weixin.common.util.xml.XStreamCDataConverter;
 import me.chanjar.weixin.mp.api.WxMpConfigStorage;
@@ -27,8 +28,9 @@ import me.chanjar.weixin.mp.util.xml.XStreamTransformer;
  *
  * @author chanjarster
  */
-@XStreamAlias("xml")
 @Data
+@Slf4j
+@XStreamAlias("xml")
 public class WxMpXmlMessage implements Serializable {
   private static final long serialVersionUID = -3586245291677274914L;
 
@@ -482,10 +484,11 @@ public class WxMpXmlMessage implements Serializable {
    * @param nonce             随机串
    * @param msgSignature      签名串
    */
-  public static WxMpXmlMessage fromEncryptedXml(String encryptedXml, WxMpConfigStorage wxMpConfigStorage, String timestamp,
-                                                String nonce, String msgSignature) {
+  public static WxMpXmlMessage fromEncryptedXml(String encryptedXml, WxMpConfigStorage wxMpConfigStorage,
+                                                String timestamp, String nonce, String msgSignature) {
     WxMpCryptUtil cryptUtil = new WxMpCryptUtil(wxMpConfigStorage);
     String plainText = cryptUtil.decrypt(msgSignature, timestamp, nonce, encryptedXml);
+    log.debug("解密后的原始xml消息内容：{}", plainText);
     return fromXml(plainText);
   }
 
diff --git a/weixin-java-open/src/main/java/me/chanjar/weixin/open/bean/message/WxOpenXmlMessage.java b/weixin-java-open/src/main/java/me/chanjar/weixin/open/bean/message/WxOpenXmlMessage.java
index ac42696af..f38194529 100644
--- a/weixin-java-open/src/main/java/me/chanjar/weixin/open/bean/message/WxOpenXmlMessage.java
+++ b/weixin-java-open/src/main/java/me/chanjar/weixin/open/bean/message/WxOpenXmlMessage.java
@@ -1,25 +1,28 @@
 package me.chanjar.weixin.open.bean.message;
 
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.Serializable;
+
+import org.apache.commons.io.IOUtils;
+
 import com.thoughtworks.xstream.annotations.XStreamAlias;
 import com.thoughtworks.xstream.annotations.XStreamConverter;
 import lombok.Data;
+import lombok.extern.slf4j.Slf4j;
 import me.chanjar.weixin.common.util.xml.XStreamCDataConverter;
 import me.chanjar.weixin.mp.bean.message.WxMpXmlMessage;
 import me.chanjar.weixin.mp.bean.message.WxMpXmlOutMessage;
 import me.chanjar.weixin.open.api.WxOpenConfigStorage;
 import me.chanjar.weixin.open.util.WxOpenCryptUtil;
 import me.chanjar.weixin.open.util.xml.XStreamTransformer;
-import org.apache.commons.io.IOUtils;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.Serializable;
 
 /**
  * @author <a href="https://github.com/007gzs">007</a>
  */
-@XStreamAlias("xml")
 @Data
+@Slf4j
+@XStreamAlias("xml")
 public class WxOpenXmlMessage implements Serializable {
   private static final long serialVersionUID = -5641769554709507771L;
 
@@ -78,30 +81,26 @@ public class WxOpenXmlMessage implements Serializable {
    * @param nonce               随机串
    * @param msgSignature        签名串
    */
-  public static WxOpenXmlMessage fromEncryptedXml(String encryptedXml,
-                                                  WxOpenConfigStorage wxOpenConfigStorage, String timestamp, String nonce,
-                                                  String msgSignature) {
+  public static WxOpenXmlMessage fromEncryptedXml(String encryptedXml, WxOpenConfigStorage wxOpenConfigStorage,
+                                                  String timestamp, String nonce, String msgSignature) {
     WxOpenCryptUtil cryptUtil = new WxOpenCryptUtil(wxOpenConfigStorage);
-    String plainText = cryptUtil.decrypt(msgSignature, timestamp, nonce,
-      encryptedXml);
+    String plainText = cryptUtil.decrypt(msgSignature, timestamp, nonce, encryptedXml);
+    log.debug("解密后的原始xml消息内容：{}", plainText);
     return fromXml(plainText);
   }
 
-  public static WxMpXmlMessage fromEncryptedMpXml(String encryptedXml,
-                                                  WxOpenConfigStorage wxOpenConfigStorage, String timestamp, String nonce,
-                                                  String msgSignature) {
+  public static WxMpXmlMessage fromEncryptedMpXml(String encryptedXml, WxOpenConfigStorage wxOpenConfigStorage,
+                                                  String timestamp, String nonce, String msgSignature) {
     WxOpenCryptUtil cryptUtil = new WxOpenCryptUtil(wxOpenConfigStorage);
-    String plainText = cryptUtil.decrypt(msgSignature, timestamp, nonce,
-      encryptedXml);
+    String plainText = cryptUtil.decrypt(msgSignature, timestamp, nonce, encryptedXml);
     return WxMpXmlMessage.fromXml(plainText);
   }
 
-  public static WxOpenXmlMessage fromEncryptedXml(InputStream is,
-                                                  WxOpenConfigStorage wxOpenConfigStorage, String timestamp, String nonce,
-                                                  String msgSignature) {
+  public static WxOpenXmlMessage fromEncryptedXml(InputStream is, WxOpenConfigStorage wxOpenConfigStorage,
+                                                  String timestamp, String nonce, String msgSignature) {
     try {
-      return fromEncryptedXml(IOUtils.toString(is, "UTF-8"), wxOpenConfigStorage,
-        timestamp, nonce, msgSignature);
+      return fromEncryptedXml(IOUtils.toString(is, "UTF-8"),
+        wxOpenConfigStorage, timestamp, nonce, msgSignature);
     } catch (IOException e) {
       throw new RuntimeException(e);
     }