diff --git a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/WxCpXmlOutImageMessage.java b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/WxCpXmlOutImageMessage.java
index dc77875e7e..cbef3f8766 100644
--- a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/WxCpXmlOutImageMessage.java
+++ b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/WxCpXmlOutImageMessage.java
@@ -3,11 +3,13 @@
 import com.thoughtworks.xstream.annotations.XStreamAlias;
 import com.thoughtworks.xstream.annotations.XStreamConverter;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 import me.chanjar.weixin.common.api.WxConsts;
 import me.chanjar.weixin.common.util.xml.XStreamMediaIdConverter;
 
 @XStreamAlias("xml")
 @Data
+@EqualsAndHashCode(callSuper = false)
 public class WxCpXmlOutImageMessage extends WxCpXmlOutMessage {
   private static final long serialVersionUID = -1099446240667237313L;
 
diff --git a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/WxCpXmlOutTextMessage.java b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/WxCpXmlOutTextMessage.java
index 1c354a12d4..6589b0b3b6 100644
--- a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/WxCpXmlOutTextMessage.java
+++ b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/WxCpXmlOutTextMessage.java
@@ -3,11 +3,13 @@
 import com.thoughtworks.xstream.annotations.XStreamAlias;
 import com.thoughtworks.xstream.annotations.XStreamConverter;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 import me.chanjar.weixin.common.api.WxConsts;
 import me.chanjar.weixin.common.util.xml.XStreamCDataConverter;
 
 @XStreamAlias("xml")
 @Data
+@EqualsAndHashCode(callSuper = false)
 public class WxCpXmlOutTextMessage extends WxCpXmlOutMessage {
   private static final long serialVersionUID = 2569239617185930232L;
 
diff --git a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/WxCpXmlOutVideoMessage.java b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/WxCpXmlOutVideoMessage.java
index 6d3bd0b4d1..f4aabd182b 100644
--- a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/WxCpXmlOutVideoMessage.java
+++ b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/WxCpXmlOutVideoMessage.java
@@ -3,11 +3,13 @@
 import com.thoughtworks.xstream.annotations.XStreamAlias;
 import com.thoughtworks.xstream.annotations.XStreamConverter;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 import me.chanjar.weixin.common.api.WxConsts;
 import me.chanjar.weixin.common.util.xml.XStreamCDataConverter;
 
 @XStreamAlias("xml")
 @Data
+@EqualsAndHashCode(callSuper = false)
 public class WxCpXmlOutVideoMessage extends WxCpXmlOutMessage {
   private static final long serialVersionUID = -8672761162722733622L;
 
diff --git a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/WxCpXmlOutVoiceMessage.java b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/WxCpXmlOutVoiceMessage.java
index c880bccfff..efe4a86fcf 100644
--- a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/WxCpXmlOutVoiceMessage.java
+++ b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/WxCpXmlOutVoiceMessage.java
@@ -3,11 +3,13 @@
 import com.thoughtworks.xstream.annotations.XStreamAlias;
 import com.thoughtworks.xstream.annotations.XStreamConverter;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 import me.chanjar.weixin.common.api.WxConsts;
 import me.chanjar.weixin.common.util.xml.XStreamMediaIdConverter;
 
 @XStreamAlias("xml")
 @Data
+@EqualsAndHashCode(callSuper = false)
 public class WxCpXmlOutVoiceMessage extends WxCpXmlOutMessage {
   private static final long serialVersionUID = -7947384031546099340L;