Merge pull request #2246 from dataease/pr@dev@fix_code_style

backend/src/main/java/io/dataease/ext/ExtSysMsgMapper.java

 package io.dataease.ext;
-;
+
 import io.dataease.controller.sys.response.MsgGridDto;
 import io.dataease.plugins.common.base.domain.SysMsgExample;
 import io.dataease.plugins.common.base.domain.SysMsgSetting;
@@ -13,7 +13,6 @@ import java.util.List;
 @Mapper
 public interface ExtSysMsgMapper {
 
-
     @Update({
             "<script>",
             "update sys_msg set status = 1, read_time = #{time} where msg_id in ",
@@ -24,7 +23,6 @@ public interface ExtSysMsgMapper {
     })
     int batchStatus(@Param("msgIds") List<Long> msgIds, @Param("time") Long time);
 
-
     @Delete({
             "<script>",
             "delete from sys_msg where msg_id in ",
@@ -37,8 +35,6 @@ public interface ExtSysMsgMapper {
 
     int batchInsert(@Param("settings") List<SysMsgSetting> settings);
 
-
     List<MsgGridDto> queryGrid(SysMsgExample example);
 
-
 }