diff --git a/pqs-system/system-boot/src/main/java/com/njcn/system/controller/AuditController.java b/pqs-system/system-boot/src/main/java/com/njcn/system/controller/AuditController.java
index ff9349470..7d9970080 100644
--- a/pqs-system/system-boot/src/main/java/com/njcn/system/controller/AuditController.java
+++ b/pqs-system/system-boot/src/main/java/com/njcn/system/controller/AuditController.java
@@ -62,8 +62,8 @@ public class AuditController extends BaseController {
     @ApiOperation("日志文件恢复")
     public HttpResult recoverLogFile() {
         String methodDescribe = getMethodDescribe("recoverLogFile");
-        boolean res = auditService.recoverLogFile();
-        return HttpResultUtil.assembleCommonResponseResult(CommonResponseEnum.SUCCESS,res,methodDescribe);
+        auditService.recoverLogFile();
+        return HttpResultUtil.assembleCommonResponseResult(CommonResponseEnum.SUCCESS,null,methodDescribe);
     }
 
     @OperateInfo(info = LogEnum.BUSINESS_COMMON)
@@ -76,6 +76,15 @@ public class AuditController extends BaseController {
         return HttpResultUtil.assembleCommonResponseResult(CommonResponseEnum.SUCCESS,result,methodDescribe);
     }
 
+    @OperateInfo(info = LogEnum.SYSTEM_COMMON)
+    @PostMapping("/clearHistoryLog")
+    @ApiOperation("清空历史日志")
+    public HttpResult clearHistoryLog() {
+        String methodDescribe = getMethodDescribe("clearHistoryLog");
+        auditService.clearHistoryLog();
+        return HttpResultUtil.assembleCommonResponseResult(CommonResponseEnum.SUCCESS, null, methodDescribe);
+    }
+
     @OperateInfo(info = LogEnum.SYSTEM_COMMON)
     @PostMapping("/saveLogParam")
     @ApiOperation("筛选下拉列表参数")
diff --git a/pqs-system/system-boot/src/main/java/com/njcn/system/mapper/AuditMapper.java b/pqs-system/system-boot/src/main/java/com/njcn/system/mapper/AuditMapper.java
index 3750f7583..9712c8651 100644
--- a/pqs-system/system-boot/src/main/java/com/njcn/system/mapper/AuditMapper.java
+++ b/pqs-system/system-boot/src/main/java/com/njcn/system/mapper/AuditMapper.java
@@ -29,6 +29,10 @@ public interface AuditMapper {
      * 获取审计日志统计列表
      */
     List<AuditLogCusVO> selectCensusAuditLog(@Param("auditParam") AuditParam auditParam);
+    /**
+     * 根据时间删除日志
+     */
+    void deleteByTime(@Param("ew") QueryWrapper<UserLog> queryWrapper);
     /**
      * 查询所有登录名
      */
@@ -37,4 +41,5 @@ public interface AuditMapper {
      * 查询所有操作类型
      */
     List<String> selectOperateType();
+
 }
diff --git a/pqs-system/system-boot/src/main/java/com/njcn/system/mapper/mapping/AuditMapper.xml b/pqs-system/system-boot/src/main/java/com/njcn/system/mapper/mapping/AuditMapper.xml
index 635ce721c..98a089653 100644
--- a/pqs-system/system-boot/src/main/java/com/njcn/system/mapper/mapping/AuditMapper.xml
+++ b/pqs-system/system-boot/src/main/java/com/njcn/system/mapper/mapping/AuditMapper.xml
@@ -75,6 +75,11 @@
         Where ${ew.sqlSegment}
     </select>
 
+    <delete id="deleteByTime">
+        DELETE FROM sys_user_log
+        WHERE ${ew.sqlSegment}
+    </delete>
+
     <select id="selectCensusAuditLog" resultType="AuditLogCusVO">
         SELECT
         login_name LoginName,
diff --git a/pqs-system/system-boot/src/main/java/com/njcn/system/service/AuditService.java b/pqs-system/system-boot/src/main/java/com/njcn/system/service/AuditService.java
index 09bd27b9e..4599d7d82 100644
--- a/pqs-system/system-boot/src/main/java/com/njcn/system/service/AuditService.java
+++ b/pqs-system/system-boot/src/main/java/com/njcn/system/service/AuditService.java
@@ -28,7 +28,7 @@ public interface AuditService extends IService<UserLog> {
     /**
      * 日志文件数据恢复
      */
-    boolean recoverLogFile();
+    void recoverLogFile();
 
     /**
      * 分页获取审计日志统计列表
@@ -40,4 +40,9 @@ public interface AuditService extends IService<UserLog> {
      * 获取筛选下拉列表参数
      */
     LogParamVO saveLogParam();
+
+    /**
+     * 清空6个月前的历史日志
+     */
+    void clearHistoryLog();
 }
diff --git a/pqs-system/system-boot/src/main/java/com/njcn/system/service/impl/AuditServiceImpl.java b/pqs-system/system-boot/src/main/java/com/njcn/system/service/impl/AuditServiceImpl.java
index b0264bcdf..63c886d2d 100644
--- a/pqs-system/system-boot/src/main/java/com/njcn/system/service/impl/AuditServiceImpl.java
+++ b/pqs-system/system-boot/src/main/java/com/njcn/system/service/impl/AuditServiceImpl.java
@@ -4,6 +4,7 @@ import cn.afterturn.easypoi.excel.entity.ImportParams;
 import cn.afterturn.easypoi.excel.imports.ExcelImportService;
 import cn.afterturn.easypoi.exception.excel.ExcelImportException;
 import cn.hutool.core.bean.BeanUtil;
+import cn.hutool.core.io.FileUtil;
 import cn.hutool.core.util.StrUtil;
 import com.alibaba.nacos.shaded.com.google.common.collect.Lists;
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
@@ -40,8 +41,7 @@ import java.io.OutputStream;
 import java.time.LocalDate;
 import java.time.format.DateTimeFormatter;
 import java.time.temporal.TemporalAdjusters;
-import java.util.ArrayList;
-import java.util.List;
+import java.util.*;
 import java.util.stream.Collectors;
 
 /**
@@ -165,12 +165,12 @@ public class AuditServiceImpl extends ServiceImpl<UserLogMapper, UserLog> implem
     }
 
     @Override
-    public boolean recoverLogFile() {
-        LocalDate nowDate = LocalDate.now();
-        File file = new File(generalInfo.getBusinessTempPath() + File.separator + nowDate +" sys_user_log.xlsx");
-        if (!file.exists()) {
+    public void recoverLogFile() {
+        File newFile = getLastFile();
+        if (!newFile.exists()) {
             throw new BusinessException(AuditLogEnum.NOT_FIND_FILE);
         }
+
         ImportParams params = new ImportParams();
         params.setHeadRows(1);//表头
         params.setTitleRows(0);//标题行数
@@ -181,7 +181,8 @@ public class AuditServiceImpl extends ServiceImpl<UserLogMapper, UserLog> implem
 
         FileInputStream in = null;
         try {
-            in = new FileInputStream(file);
+            in = new FileInputStream(newFile);
+            //将Excel文件转成对象集合
             List<UserLogExcel> excelList = new ExcelImportService().importExcelByIs(in, UserLogExcel.class, params, false).getList();
             if (excelList.get(0).getId().isEmpty()) {
                 throw new BusinessException(AuditLogEnum.LOG_EXCEPTION);
@@ -231,7 +232,6 @@ public class AuditServiceImpl extends ServiceImpl<UserLogMapper, UserLog> implem
         // } catch (Exception e) {
         //     throw new BusinessException(AuditLogEnum.LOG_EXCEPTION);
         // }
-        return true;
     }
 
 
@@ -258,6 +258,17 @@ public class AuditServiceImpl extends ServiceImpl<UserLogMapper, UserLog> implem
         return page;
     }
 
+    @Override
+    public void clearHistoryLog() {
+        LocalDate nowDate = LocalDate.now();
+        LocalDate agoDate = nowDate.minusMonths(6).with(TemporalAdjusters.firstDayOfMonth());
+        String date = agoDate.format(DateTimeFormatter.ISO_LOCAL_DATE);
+
+        QueryWrapper<UserLog> queryWrapper = new QueryWrapper<>();
+        queryWrapper.lt("sys_user_log.update_time",date);
+        auditMapper.deleteByTime(queryWrapper);
+    }
+
     @Override
     public LogParamVO saveLogParam() {
         LogParamVO logParamVO = new LogParamVO();
@@ -282,6 +293,28 @@ public class AuditServiceImpl extends ServiceImpl<UserLogMapper, UserLog> implem
         return logParamVO;
     }
 
+    /**返回一个最新修改日期的文件*/
+    public File getLastFile() {
+        File parentFile = new File(generalInfo.getBusinessTempPath());
+        Date date = FileUtil.lastModifiedTime(parentFile);
+        System.out.println(">>>>>>>>>>当前文件夹最后修改时间>>>>>>>>>"+date);
+
+        //文件夹下的所有子文件数组
+        File[] files = parentFile.listFiles();
+        List<Date> list = Arrays.stream(files).map(tempFile -> FileUtil.lastModifiedTime(tempFile)).collect(Collectors.toList());
+        //Date集合排序
+        Collections.sort(list, new Comparator<Date>() {
+            @Override
+            public int compare(Date o1, Date o2) {
+                return o2.compareTo(o1);//倒序排序
+                // return o1.compareTo(o2);//正序排序
+            }
+        });
+        File newFile = Arrays.stream(files).filter(tempFile -> FileUtil.lastModifiedTime(tempFile).equals(list.get(0))).collect(Collectors.toList()).get(0);
+
+        return newFile;
+    }
+
 
 
 }