Merge branch 'feature/0814-imback'

cooleshow-user/user-biz/src/main/resources/config/mybatis/ImGroupMapper.xml

@@ -120,7 +120,7 @@
     </select>
 
     <insert id="batchInsert" parameterType="com.yonge.cooleshow.biz.dal.entity.ImHistoryMessage">
-        insert into im_history_message(msgUID_,fromUserId_,targetId_,targetType_,
+        insert ignore into im_history_message(msgUID_,fromUserId_,targetId_,targetType_,
         GroupId_,busChannel_,classname_,content_,
         extraContent_,dateTime_,source_,isDiscard_,
         isSensitiveWord_,isForbidden_,isNotForward_,