diff --git a/lib/contents/visitor.inc.php b/lib/contents/visitor.inc.php
index 0506186..7a465b9 100755
--- a/lib/contents/visitor.inc.php
+++ b/lib/contents/visitor.inc.php
@@ -57,7 +57,7 @@
     $photo = 'person.png';
     $expire = 0;
 // sleep for a while
-    sleep(2);
+    sleep(0);
 /**
 * Insert counter data to database
 */
diff --git a/upgrade/upgrade_slims7_cendana_x.sql b/upgrade/upgrade_slims7_cendana_x.sql
index e69de29..20318c4 100644
--- a/upgrade/upgrade_slims7_cendana_x.sql
+++ b/upgrade/upgrade_slims7_cendana_x.sql
@@ -0,0 +1,2 @@
+ALTER TABLE  `biblio` ADD  `uid` INT( 11 ) NULL DEFAULT NULL ,
+ADD INDEX (  `uid` ) ;
\ No newline at end of file