diff --git a/jtserv/jtserv.rb b/jtserv/jtserv.rb
index b99f990..52de6da 100755
--- a/jtserv/jtserv.rb
+++ b/jtserv/jtserv.rb
@@ -18,12 +18,16 @@
 
 class UserDB
   def initialize()
-    @db = SQLite3::Database.new("users.sq3")
+    sq3 = "users.sq3"
+    @db = SQLite3::Database.new(sq3)
     ### @db.results_as_hash = true
-    @expireskey = '+3 days'
+    #### @expireskey = '+3 days'
+    @expireskey = '+3 hours'
     @expiretmpkey = '+1 hour'
     @from = 'postmaster@koeki-prj.org'
     @rank = %w(必須 標準 目標 一流 超一流 頂点)
+    File.chmod(0600, sq3)
+    File.chmod(0700, File.dirname(sq3))
     dbinit
   end
   def dbinit()
@@ -113,6 +117,7 @@
     skey
   end
   def authKey(user, skey)
+    expire
     r = @db.execute("SELECT user FROM skey
 		WHERE user=? AND skey=?", user, skey)
     if r && r[0] && r[0].length==1