创建群聊，默认头像

cooleshow-user/user-biz/src/main/java/com/yonge/cooleshow/biz/dal/service/im/impl/ImGroupCoreServiceImpl.java

@@ -211,7 +211,7 @@ public class ImGroupCoreServiceImpl implements ImGroupCoreService {
         registerUser(groupMembers);
 
         // 创建IM群组
-        imPluginContext.getPluginService().groupCreate(imGroup.getGroupId(), imGroup.getName(),
+        imPluginContext.getPluginService().groupCreate(imGroup.getGroupId(), imGroup.getName(),imGroup.getImg(),
                 getImUserId( userInfo.getUserId().toString(), userInfo.getClientType()));
 
         // 添加群成员到当前群组