diff --git a/ParamDownload/src/main/resources/static/application.properties b/ParamDownload/src/main/resources/static/application.properties
index 10a92818..29ab9959 100644
--- a/ParamDownload/src/main/resources/static/application.properties
+++ b/ParamDownload/src/main/resources/static/application.properties
@@ -89,7 +89,7 @@ sqliteDriverName=org.sqlite.JDBC
 sqliteUrl=jdbc:sqlite::resource:sqlite/identifier.sqlite
 
 #下载文件保留天数（天）
-downloadTime=1
+downloadTime=7
 
 #前端vue
 spring.web.resources.static-locations= classpath:/static/