Merge branch 'fixbug/1028024' into 'master'

bug: [1028024] getBookGroupStatisticsByAgent500

See merge request rays/pcloud-book!1203

pcloud-service-book/src/main/resources/mapper/group/BookGroupMapper.xml

@@ -1002,6 +1002,8 @@
         AND create_user = #{adviserId}
         AND channel_id = #{channelId}
         AND agent_id = #{agentId}
+        ORDER BY join_group_type
+        LIMIT 1
     </select>