diff --git a/doc/doc-api/src/main/java/cn/axzo/nanopart/doc/api/filedb/response/FileDatabaseInfoResponse.java b/doc/doc-api/src/main/java/cn/axzo/nanopart/doc/api/filedb/response/FileDatabaseInfoResponse.java
index 9dfd3e8c..59b0ffc1 100644
--- a/doc/doc-api/src/main/java/cn/axzo/nanopart/doc/api/filedb/response/FileDatabaseInfoResponse.java
+++ b/doc/doc-api/src/main/java/cn/axzo/nanopart/doc/api/filedb/response/FileDatabaseInfoResponse.java
@@ -61,6 +61,11 @@ public class FileDatabaseInfoResponse {
 	 */
 	private String fileDatabaseName;
 
+	/**
+	 * (上次)购买时间
+	 */
+	private Long purchaseTimeMs;
+
 	/**
 	 * 过期时间, unix时间戳
 	 */
diff --git a/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/dao/FileDatabaseDao.java b/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/dao/FileDatabaseDao.java
index 9d86be25..ec76b4e4 100644
--- a/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/dao/FileDatabaseDao.java
+++ b/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/dao/FileDatabaseDao.java
@@ -1,6 +1,8 @@
 
 package cn.axzo.nanopart.doc.dao;
 
+import java.util.Date;
+
 import org.springframework.stereotype.Repository;
 
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
@@ -73,4 +75,11 @@ public class FileDatabaseDao extends ServiceImpl<FileDatabaseMapper, FileDatabas
 				.update();
 	}
 
+	public void setPurchaseTime(String code, Date purchaseTime) {
+		lambdaUpdate() //
+				.eq(FileDatabase::getCode, code) //
+				.set(FileDatabase::getPurchaseDate, purchaseTime) //
+				.update();
+	}
+
 }
diff --git a/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/entity/FileDatabase.java b/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/entity/FileDatabase.java
index 4f5fdf02..c488bdc7 100644
--- a/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/entity/FileDatabase.java
+++ b/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/entity/FileDatabase.java
@@ -58,6 +58,11 @@ public class FileDatabase extends BaseEntity<FileDatabase> implements IndexNodeS
 	 */
 	private FileDatabaseState state;
 
+	/**
+	 * 购买时间
+	 */
+	private Date purchaseDate;
+
 	/**
 	 * 到期时间
 	 */
diff --git a/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/filedb/FileDatabaseService.java b/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/filedb/FileDatabaseService.java
index be42b752..46e3b2c3 100644
--- a/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/filedb/FileDatabaseService.java
+++ b/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/filedb/FileDatabaseService.java
@@ -128,6 +128,7 @@ public class FileDatabaseService {
 					return;
 				indexManager.copySubTree(templateRoot, null, new SetScopeCopyFileVisitor(copiedOssFiles, db));
 				fileDatabaseDao.updateState(db.getCode(), FileDatabaseState.ACTIVATED);
+				fileDatabaseDao.setPurchaseTime(db.getCode(), new Date());
 				if (nullablePostProcessor != null)
 					nullablePostProcessor.run();
 			});
@@ -184,6 +185,7 @@ public class FileDatabaseService {
 		return fileDatabaseDao.lambdaUpdate() //
 				.eq(FileDatabase::getCode, request.getCode()) //
 				.set(FileDatabase::getAllowedCapacity, request.getAllowedCapacity()) //
+				.set(FileDatabase::getPurchaseDate, new Date()) //
 				.set(FileDatabase::getExpireDate, new Date(request.getExpiredDateMs()));
 	}