diff --git a/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/tasks/BackupTask.java b/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/tasks/BackupTask.java
index 4c9ee3e..92c3288 100644
--- a/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/tasks/BackupTask.java
+++ b/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/tasks/BackupTask.java
@@ -243,6 +243,17 @@ public class BackupTask {
             if (i != 0) {
                 log.warn("导出MySQL数据异常");
             }
+
+            DateTime dateTime = DateUtil.offsetDay(DateUtil.date(), -1);
+            List<File> files = FileUtil.loopFiles(sqlScript, file -> file.lastModified() < dateTime.getTime());
+            files.forEach(file -> {
+                boolean deleteSuccess = file.delete();
+                String success = deleteSuccess ? "success" : "fail";
+                String msg = StrFormatter.format("删除文件 ｛｝ ｛｝", file.getName(), success);
+                log.info(msg);
+            });
+
+
         } catch (Exception e) {
             log.warn("导出MySQL数据异常，原因 {}", e.getMessage(), e);
         }