diff --git a/c_haos.php b/c_haos.php
index 9d37277..73e236e 100644
--- a/c_haos.php
+++ b/c_haos.php
@@ -1,7 +1,9 @@
 <?php
-
     session_start();
-	if (!($_SESSION['uid'] >0)) header("Location: index.php");
+	if (empty($_SESSION['uid'])) {
+header("Location: index.php");
+exit;
+}
 	include "config.php";
 	$user = mysql_fetch_array(mysql_query("SELECT * FROM `users` WHERE `id` = '{$_SESSION['uid']}' LIMIT 1;"));
     $in_haos = mysql_fetch_array(mysql_query("SELECT * FROM `cit_haos_status` WHERE `id` = '{$user['id']}' LIMIT 1;"));
@@ -104,7 +106,7 @@
                 mysql_query("UPDATE `users`,`online` SET `users`.`room` = '601',`online`.`room` = '601' WHERE `online`.`id` = `users`.`id` AND `online`.`id` = '{$_SESSION['uid']}' ;");
                 mysql_query("UPDATE `cit_haos_status` SET room='1' WHERE id = '{$user['id']}'; ");
                 header('location: c_haos_in.php');
-            };
+            }
         }
 $in_haos = mysql_fetch_array(mysql_query("SELECT * FROM `cit_haos_status` WHERE `id` = '{$user['id']}' LIMIT 1;"));
     ?>
diff --git a/c_haos_in.php b/c_haos_in.php
index 16313ac..ab681db 100644
--- a/c_haos_in.php
+++ b/c_haos_in.php
@@ -1,7 +1,10 @@
 <?php
 
     session_start();
-	if (!($_SESSION['uid'] >0)) header("Location: index.php");
+	if (empty($_SESSION['uid'])) {
+header("Location: index.php");
+exit;
+}
 	include "config.php";
 	$user = mysql_fetch_array(mysql_query("SELECT * FROM `users` WHERE `id` = '{$_SESSION['uid']}' LIMIT 1;"));
     $in_haos = mysql_fetch_array(mysql_query("SELECT * FROM `cit_haos_status` WHERE `id` = '{$user['id']}' LIMIT 1;"));
diff --git a/c_park.php b/c_park.php
index 3e020c3..b37db06 100644
--- a/c_park.php
+++ b/c_park.php
@@ -1,7 +1,10 @@
 <?php
 
     session_start();
-	if (!($_SESSION['uid'] >0)) header("Location: index.php");
+	if (empty($_SESSION['uid'])) {
+header("Location: index.php");
+exit;
+}
 	include "config.php";
 	$user = mysql_fetch_array(mysql_query("SELECT * FROM `users` WHERE `id` = '{$_SESSION['uid']}' LIMIT 1;"));
     $in_park = mysql_fetch_array(mysql_query("SELECT * FROM `cit_park` WHERE `id` = '{$user['id']}' LIMIT 1;"));
diff --git a/clan_castle.php b/clan_castle.php
index 52116c7..3c4b53a 100644
--- a/clan_castle.php
+++ b/clan_castle.php
@@ -1,7 +1,10 @@
 <?php
 
     session_start();
-	if (!($_SESSION['uid'] >0)) header("Location: index.php");
+	if (empty($_SESSION['uid'])) {
+header("Location: index.php");
+exit;
+}
     
 	include "config.php";
     
diff --git a/library.php b/library.php
index e324187..3600da9 100644
--- a/library.php
+++ b/library.php
@@ -1,7 +1,10 @@
 <?php
 
     session_start();
-	if (!($_SESSION['uid'] >0)) header("Location: index.php");
+	if (empty($_SESSION['uid'])) {
+header("Location: index.php");
+exit;
+}
 	include "config.php";
 	$user = mysql_fetch_array(mysql_query("SELECT * FROM `users` WHERE `id` = '{$_SESSION['uid']}' LIMIT 1;"));
     include "functions.php";