diff --git a/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/filedb/FileDatabaseExpireJob.java b/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/filedb/FileDatabaseExpireJob.java
index 13625d13..4368ac71 100644
--- a/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/filedb/FileDatabaseExpireJob.java
+++ b/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/filedb/FileDatabaseExpireJob.java
@@ -1,17 +1,10 @@
 
 package cn.axzo.nanopart.doc.file.filedb;
 
-import java.util.Date;
-
-import org.springframework.stereotype.Component;
-
 import com.xxl.job.core.biz.model.ReturnT;
 import com.xxl.job.core.handler.annotation.XxlJob;
-
-import cn.axzo.nanopart.doc.api.enums.FileDatabaseState;
-import cn.axzo.nanopart.doc.dao.FileDatabaseDao;
-import cn.axzo.nanopart.doc.entity.FileDatabase;
 import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Component;
 
 /**
  * @author yanglin