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 0275de46..fbc43146 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
@@ -266,6 +266,7 @@ public class FileDatabaseService {
 					resp.setDatabaseInfo(templateDatabaseInfos.findOrNull(db.getTemplateDatabaseCode()));
 					resp.setState(db.getState());
 					resp.setFileDatabaseName(dbNode == null ? "" : dbNode.getName());
+					resp.setPurchaseTimeMs(db.getPurchaseDate() == null ? null : db.getPurchaseDate().getTime());
 					resp.setExpireDateMs(db.getExpireDate() == null ? null : db.getExpireDate().getTime());
 					resp.setAllowedCapacity(db.getAllowedCapacity());
 					resp.setUsedCapacity(db.getUsedCapacity());