diff --git a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/WxCpExternalContactService.java b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/WxCpExternalContactService.java
index c4fe3b994..0f06a9adb 100644
--- a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/WxCpExternalContactService.java
+++ b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/WxCpExternalContactService.java
@@ -3,7 +3,23 @@ package me.chanjar.weixin.cp.api;
 import lombok.NonNull;
 import me.chanjar.weixin.common.error.WxErrorException;
 import me.chanjar.weixin.cp.bean.WxCpBaseResp;
-import me.chanjar.weixin.cp.bean.external.*;
+import me.chanjar.weixin.cp.bean.external.WxCpContactWayInfo;
+import me.chanjar.weixin.cp.bean.external.WxCpContactWayResult;
+import me.chanjar.weixin.cp.bean.external.WxCpMsgTemplate;
+import me.chanjar.weixin.cp.bean.external.WxCpMsgTemplateAddResult;
+import me.chanjar.weixin.cp.bean.external.WxCpUpdateRemarkRequest;
+import me.chanjar.weixin.cp.bean.external.WxCpUserExternalGroupChatInfo;
+import me.chanjar.weixin.cp.bean.external.WxCpUserExternalGroupChatList;
+import me.chanjar.weixin.cp.bean.external.WxCpUserExternalGroupChatStatistic;
+import me.chanjar.weixin.cp.bean.external.WxCpUserExternalGroupChatTransferResp;
+import me.chanjar.weixin.cp.bean.external.WxCpUserExternalTagGroupInfo;
+import me.chanjar.weixin.cp.bean.external.WxCpUserExternalTagGroupList;
+import me.chanjar.weixin.cp.bean.external.WxCpUserExternalUnassignList;
+import me.chanjar.weixin.cp.bean.external.WxCpUserExternalUserBehaviorStatistic;
+import me.chanjar.weixin.cp.bean.external.WxCpUserTransferCustomerReq;
+import me.chanjar.weixin.cp.bean.external.WxCpUserTransferCustomerResp;
+import me.chanjar.weixin.cp.bean.external.WxCpUserTransferResultResp;
+import me.chanjar.weixin.cp.bean.external.WxCpWelcomeMsg;
 import me.chanjar.weixin.cp.bean.external.contact.WxCpExternalContactBatchInfo;
 import me.chanjar.weixin.cp.bean.external.contact.WxCpExternalContactInfo;
 import org.jetbrains.annotations.NotNull;
@@ -362,7 +378,7 @@ public interface WxCpExternalContactService {
    * @return group chat
    * @throws WxErrorException the wx error exception
    */
-  WxCpUserExternalGroupChatInfo getGroupChat(String chatId) throws WxErrorException;
+  WxCpUserExternalGroupChatInfo getGroupChat(String chatId, Integer needName) throws WxErrorException;
 
   /**
    *
diff --git a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/impl/WxCpExternalContactServiceImpl.java b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/impl/WxCpExternalContactServiceImpl.java
index eec72ef91..60c7c068b 100644
--- a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/impl/WxCpExternalContactServiceImpl.java
+++ b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/impl/WxCpExternalContactServiceImpl.java
@@ -12,7 +12,25 @@ import me.chanjar.weixin.common.util.json.GsonParser;
 import me.chanjar.weixin.cp.api.WxCpExternalContactService;
 import me.chanjar.weixin.cp.api.WxCpService;
 import me.chanjar.weixin.cp.bean.WxCpBaseResp;
-import me.chanjar.weixin.cp.bean.external.*;
+import me.chanjar.weixin.cp.bean.external.WxCpContactWayInfo;
+import me.chanjar.weixin.cp.bean.external.WxCpContactWayResult;
+import me.chanjar.weixin.cp.bean.external.WxCpMsgTemplate;
+import me.chanjar.weixin.cp.bean.external.WxCpMsgTemplateAddResult;
+import me.chanjar.weixin.cp.bean.external.WxCpUpdateRemarkRequest;
+import me.chanjar.weixin.cp.bean.external.WxCpUserExternalContactList;
+import me.chanjar.weixin.cp.bean.external.WxCpUserExternalGroupChatInfo;
+import me.chanjar.weixin.cp.bean.external.WxCpUserExternalGroupChatList;
+import me.chanjar.weixin.cp.bean.external.WxCpUserExternalGroupChatStatistic;
+import me.chanjar.weixin.cp.bean.external.WxCpUserExternalGroupChatTransferResp;
+import me.chanjar.weixin.cp.bean.external.WxCpUserExternalTagGroupInfo;
+import me.chanjar.weixin.cp.bean.external.WxCpUserExternalTagGroupList;
+import me.chanjar.weixin.cp.bean.external.WxCpUserExternalUnassignList;
+import me.chanjar.weixin.cp.bean.external.WxCpUserExternalUserBehaviorStatistic;
+import me.chanjar.weixin.cp.bean.external.WxCpUserTransferCustomerReq;
+import me.chanjar.weixin.cp.bean.external.WxCpUserTransferCustomerResp;
+import me.chanjar.weixin.cp.bean.external.WxCpUserTransferResultResp;
+import me.chanjar.weixin.cp.bean.external.WxCpUserWithExternalPermission;
+import me.chanjar.weixin.cp.bean.external.WxCpWelcomeMsg;
 import me.chanjar.weixin.cp.bean.external.contact.WxCpExternalContactBatchInfo;
 import me.chanjar.weixin.cp.bean.external.contact.WxCpExternalContactInfo;
 import org.apache.commons.lang3.ArrayUtils;
@@ -267,9 +285,10 @@ public class WxCpExternalContactServiceImpl implements WxCpExternalContactServic
   }
 
   @Override
-  public WxCpUserExternalGroupChatInfo getGroupChat(String chatId) throws WxErrorException {
+  public WxCpUserExternalGroupChatInfo getGroupChat(String chatId, Integer needName) throws WxErrorException {
     JsonObject json = new JsonObject();
     json.addProperty("chat_id", chatId);
+    json.addProperty("need_name", needName);
     final String url = this.mainService.getWxCpConfigStorage().getApiUrl(GROUP_CHAT_INFO);
     final String result = this.mainService.post(url, json.toString());
     return WxCpUserExternalGroupChatInfo.fromJson(result);
diff --git a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/external/WxCpUserExternalGroupChatInfo.java b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/external/WxCpUserExternalGroupChatInfo.java
index 2982f6d42..335c2e5c5 100644
--- a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/external/WxCpUserExternalGroupChatInfo.java
+++ b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/external/WxCpUserExternalGroupChatInfo.java
@@ -83,6 +83,20 @@ public class WxCpUserExternalGroupChatInfo extends WxCpBaseResp {
     @SerializedName("join_scene")
     private int joinScene;
 
+    /**
+     * 在群里的昵称
+     */
+    @SerializedName("group_nickname")
+    private String groupNickname;
+
+    /**
+     * 名字。仅当 need_name = 1 时返回
+     * 如果是微信用户，则返回其在微信中设置的名字
+     * 如果是企业微信联系人，则返回其设置对外展示的别名或实名
+     */
+    @SerializedName("name")
+    private String name;
+
     /**
      * 邀请者。目前仅当是由本企业内部成员邀请入群时会返回该值
      */