diff --git a/conf/app.conf b/conf/app.conf
index 7f64f58..660c64f 100644
--- a/conf/app.conf
+++ b/conf/app.conf
@@ -34,8 +34,8 @@ cookie.httponly=false
 cookie.prefix=LEANOTE
 cookie.domain= # for share cookie with sub-domain
 cookie.secure=false
-format.date=01/02/2006
-format.datetime=01/02/2006 15:04
+format.date=2006-01-02
+format.datetime=2006-01-02 15:04:05 # 必须这样配置
 results.chunked=false
 
 log.trace.prefix = "TRACE "