diff --git a/module/line-message/message-type.go b/module/line-message/message-type.go
index c19e3df..0a60fb9 100644
--- a/module/line-message/message-type.go
+++ b/module/line-message/message-type.go
@@ -86,7 +86,7 @@ func getSourceUser(uid, gid string) (u *model.LineUser, err error) {
 			return nil, err
 		}
 	} else {
-		if userData.Mtime.Unix() < (time.Now().Unix() - 432000) {
+		if userData.Mtime.Unix() < (time.Now().Unix() - 86400) {
 			tmpu, err := line.GetUserInfo(uid, gid)
 			if err != nil || tmpu == nil {
 				return nil, err