diff --git a/webapp/classes/AddReward.php b/webapp/classes/AddReward.php
index c8e83bf..b1a701e 100644
--- a/webapp/classes/AddReward.php
+++ b/webapp/classes/AddReward.php
@@ -13,7 +13,7 @@ class AddReward {
             'port' => $mysql_conf['port'],
             'user' => $mysql_conf['user'],
             'passwd' => $mysql_conf['passwd'],
-            'dbname' => 'gamedb2004_' . $mysql_conf['instance_id']
+            'dbname' => DBNAME_PREFIX . $mysql_conf['instance_id']
         ));
         return $conn;
     }
diff --git a/webapp/classes/Quest.php b/webapp/classes/Quest.php
index 30560b8..5955e97 100644
--- a/webapp/classes/Quest.php
+++ b/webapp/classes/Quest.php
@@ -14,7 +14,7 @@ class Quest{
             'port' => $mysql_conf['port'],
             'user' => $mysql_conf['user'],
             'passwd' => $mysql_conf['passwd'],
-            'dbname' => 'gamedb2004_' . $mysql_conf['instance_id']
+            'dbname' => DBNAME_PREFIX . $mysql_conf['instance_id']
         ));
         return $conn;
     }
diff --git a/webapp/controller/ActivityController.class.php b/webapp/controller/ActivityController.class.php
index fca4062..380051b 100644
--- a/webapp/controller/ActivityController.class.php
+++ b/webapp/controller/ActivityController.class.php
@@ -13,7 +13,7 @@ class ActivityController{
             'port' => $mysql_conf['port'],
             'user' => $mysql_conf['user'],
             'passwd' => $mysql_conf['passwd'],
-            'dbname' => 'gamedb2004_' . $mysql_conf['instance_id']
+            'dbname' => DBNAME_PREFIX . $mysql_conf['instance_id']
         ));
         return $conn;
     }
diff --git a/webapp/controller/AdditemController.class.php b/webapp/controller/AdditemController.class.php
index a4603a7..8d36c97 100644
--- a/webapp/controller/AdditemController.class.php
+++ b/webapp/controller/AdditemController.class.php
@@ -9,7 +9,7 @@ class AdditemController{
             'port' => $mysql_conf['port'],
             'user' => $mysql_conf['user'],
             'passwd' => $mysql_conf['passwd'],
-            'dbname' => 'gamedb2004_' . $mysql_conf['instance_id']
+            'dbname' => DBNAME_PREFIX . $mysql_conf['instance_id']
         ));
         return $conn;
     }
diff --git a/webapp/controller/BagController.class.php b/webapp/controller/BagController.class.php
index ca0e431..3d7c625 100644
--- a/webapp/controller/BagController.class.php
+++ b/webapp/controller/BagController.class.php
@@ -13,7 +13,7 @@ class BagController{
             'port' => $mysql_conf['port'],
             'user' => $mysql_conf['user'],
             'passwd' => $mysql_conf['passwd'],
-            'dbname' => 'gamedb2004_' . $mysql_conf['instance_id']
+            'dbname' => DBNAME_PREFIX . $mysql_conf['instance_id']
         ));
         return $conn;
     }
diff --git a/webapp/controller/EquipController.class.php b/webapp/controller/EquipController.class.php
index 1e2d347..269504f 100644
--- a/webapp/controller/EquipController.class.php
+++ b/webapp/controller/EquipController.class.php
@@ -13,7 +13,7 @@ class EquipController{
             'port' => $mysql_conf['port'],
             'user' => $mysql_conf['user'],
             'passwd' => $mysql_conf['passwd'],
-            'dbname' => 'gamedb2004_' . $mysql_conf['instance_id']
+            'dbname' => DBNAME_PREFIX . $mysql_conf['instance_id']
         ));
         return $conn;
     }
diff --git a/webapp/controller/FriendController.class.php b/webapp/controller/FriendController.class.php
index b9d1c0b..7bebd0a 100644
--- a/webapp/controller/FriendController.class.php
+++ b/webapp/controller/FriendController.class.php
@@ -13,7 +13,7 @@ class FriendController{
             'port' => $mysql_conf['port'],
             'user' => $mysql_conf['user'],
             'passwd' => $mysql_conf['passwd'],
-            'dbname' => 'gamedb2004_' . $mysql_conf['instance_id']
+            'dbname' => DBNAME_PREFIX . $mysql_conf['instance_id']
         ));
         return $conn;
     }
diff --git a/webapp/controller/GameOverController.class.php b/webapp/controller/GameOverController.class.php
index 6aafd7a..3949e49 100644
--- a/webapp/controller/GameOverController.class.php
+++ b/webapp/controller/GameOverController.class.php
@@ -13,7 +13,7 @@ class GameOverController{
             'port' => $mysql_conf['port'],
             'user' => $mysql_conf['user'],
             'passwd' => $mysql_conf['passwd'],
-            'dbname' => 'gamedb2004_' . $mysql_conf['instance_id']
+            'dbname' => DBNAME_PREFIX . $mysql_conf['instance_id']
         ));
         return $conn;
     }
diff --git a/webapp/controller/HangController.class.php b/webapp/controller/HangController.class.php
index e3696c6..8bcd956 100644
--- a/webapp/controller/HangController.class.php
+++ b/webapp/controller/HangController.class.php
@@ -10,7 +10,7 @@ class HangController{
             'port' => $mysql_conf['port'],
             'user' => $mysql_conf['user'],
             'passwd' => $mysql_conf['passwd'],
-            'dbname' => 'gamedb2004_' . $mysql_conf['instance_id']
+            'dbname' => DBNAME_PREFIX . $mysql_conf['instance_id']
         ));
         return $conn;
     }
diff --git a/webapp/controller/PassController.class.php b/webapp/controller/PassController.class.php
index 8931e79..7909c8a 100644
--- a/webapp/controller/PassController.class.php
+++ b/webapp/controller/PassController.class.php
@@ -13,7 +13,7 @@ class PassController{
             'port' => $mysql_conf['port'],
             'user' => $mysql_conf['user'],
             'passwd' => $mysql_conf['passwd'],
-            'dbname' => 'gamedb2004_' . $mysql_conf['instance_id']
+            'dbname' => DBNAME_PREFIX . $mysql_conf['instance_id']
         ));
         return $conn;
     }
diff --git a/webapp/controller/PayController.class.php b/webapp/controller/PayController.class.php
index efb90c1..70bdf4f 100644
--- a/webapp/controller/PayController.class.php
+++ b/webapp/controller/PayController.class.php
@@ -13,7 +13,7 @@ class PayController{
             'port' => $mysql_conf['port'],
             'user' => $mysql_conf['user'],
             'passwd' => $mysql_conf['passwd'],
-            'dbname' => 'gamedb2004_' . $mysql_conf['instance_id']
+            'dbname' => DBNAME_PREFIX . $mysql_conf['instance_id']
         ));
         return $conn;
     }
diff --git a/webapp/controller/PayNotifyController.class.php b/webapp/controller/PayNotifyController.class.php
index 69ddbaf..b6bc092 100644
--- a/webapp/controller/PayNotifyController.class.php
+++ b/webapp/controller/PayNotifyController.class.php
@@ -12,7 +12,7 @@ class PayNotifyController{
             'port' => $mysql_conf['port'],
             'user' => $mysql_conf['user'],
             'passwd' => $mysql_conf['passwd'],
-            'dbname' => 'gamedb2004_' . $mysql_conf['instance_id']
+            'dbname' => DBNAME_PREFIX . $mysql_conf['instance_id']
         ));
         return $conn;
     }
diff --git a/webapp/controller/QuestController.class.php b/webapp/controller/QuestController.class.php
index e5a33bf..5dfed4a 100644
--- a/webapp/controller/QuestController.class.php
+++ b/webapp/controller/QuestController.class.php
@@ -13,7 +13,7 @@ class QuestController{
             'port' => $mysql_conf['port'],
             'user' => $mysql_conf['user'],
             'passwd' => $mysql_conf['passwd'],
-            'dbname' => 'gamedb2004_' . $mysql_conf['instance_id']
+            'dbname' => DBNAME_PREFIX . $mysql_conf['instance_id']
         ));
         return $conn;
     }
diff --git a/webapp/controller/RankController.class.php b/webapp/controller/RankController.class.php
index 57031c5..a07d618 100644
--- a/webapp/controller/RankController.class.php
+++ b/webapp/controller/RankController.class.php
@@ -10,7 +10,7 @@ class RankController{
             'port' => $mysql_conf['port'],
             'user' => $mysql_conf['user'],
             'passwd' => $mysql_conf['passwd'],
-            'dbname' => 'gamedb2004_' . $mysql_conf['instance_id']
+            'dbname' => DBNAME_PREFIX . $mysql_conf['instance_id']
         ));
         return $conn;
     }
diff --git a/webapp/controller/RoleController.class.php b/webapp/controller/RoleController.class.php
index ac06295..8fc0f37 100644
--- a/webapp/controller/RoleController.class.php
+++ b/webapp/controller/RoleController.class.php
@@ -13,7 +13,7 @@ class RoleController{
             'port' => $mysql_conf['port'],
             'user' => $mysql_conf['user'],
             'passwd' => $mysql_conf['passwd'],
-            'dbname' => 'gamedb2004_' . $mysql_conf['instance_id']
+            'dbname' => DBNAME_PREFIX . $mysql_conf['instance_id']
         ));
         return $conn;
     }
diff --git a/webapp/controller/ServerSwitchController.class.php b/webapp/controller/ServerSwitchController.class.php
index 5118bc3..017aed3 100644
--- a/webapp/controller/ServerSwitchController.class.php
+++ b/webapp/controller/ServerSwitchController.class.php
@@ -10,7 +10,7 @@ class ServerSwitchController {
             'port' => $mysql_conf['port'],
             'user' => $mysql_conf['user'],
             'passwd' => $mysql_conf['passwd'],
-            'dbname' => 'gamedb2004_' . $mysql_conf['instance_id']
+            'dbname' => DBNAME_PREFIX . $mysql_conf['instance_id']
         ));
         return $conn;
     }
diff --git a/webapp/controller/ShareController.class.php b/webapp/controller/ShareController.class.php
index 2ad8b31..63b080d 100644
--- a/webapp/controller/ShareController.class.php
+++ b/webapp/controller/ShareController.class.php
@@ -13,7 +13,7 @@ class ShareController{
             'port' => $mysql_conf['port'],
             'user' => $mysql_conf['user'],
             'passwd' => $mysql_conf['passwd'],
-            'dbname' => 'gamedb2004_' . $mysql_conf['instance_id']
+            'dbname' => DBNAME_PREFIX . $mysql_conf['instance_id']
         ));
         return $conn;
     }
diff --git a/webapp/controller/ShopController.class.php b/webapp/controller/ShopController.class.php
index 3d67941..f4a4fdb 100644
--- a/webapp/controller/ShopController.class.php
+++ b/webapp/controller/ShopController.class.php
@@ -26,7 +26,7 @@ class ShopController{
             'port' => $mysql_conf['port'],
             'user' => $mysql_conf['user'],
             'passwd' => $mysql_conf['passwd'],
-            'dbname' => 'gamedb2004_' . $mysql_conf['instance_id']
+            'dbname' => DBNAME_PREFIX . $mysql_conf['instance_id']
         ));
         return $conn;
     }
diff --git a/webapp/controller/SignController.class.php b/webapp/controller/SignController.class.php
index 9944e47..b305e98 100644
--- a/webapp/controller/SignController.class.php
+++ b/webapp/controller/SignController.class.php
@@ -13,7 +13,7 @@ class SignController{
             'port' => $mysql_conf['port'],
             'user' => $mysql_conf['user'],
             'passwd' => $mysql_conf['passwd'],
-            'dbname' => 'gamedb2004_' . $mysql_conf['instance_id']
+            'dbname' => DBNAME_PREFIX . $mysql_conf['instance_id']
         ));
         return $conn;
     }
diff --git a/webapp/controller/TeamController.class.php b/webapp/controller/TeamController.class.php
index c51bbf2..d41a8e2 100644
--- a/webapp/controller/TeamController.class.php
+++ b/webapp/controller/TeamController.class.php
@@ -23,7 +23,7 @@ class TeamController{
             'port' => $mysql_conf['port'],
             'user' => $mysql_conf['user'],
             'passwd' => $mysql_conf['passwd'],
-            'dbname' => 'gamedb2004_' . $mysql_conf['instance_id']
+            'dbname' => DBNAME_PREFIX . $mysql_conf['instance_id']
         ));
         return $conn;
     }
diff --git a/webapp/controller/TempController.class.php b/webapp/controller/TempController.class.php
index a207f2e..4b565f6 100644
--- a/webapp/controller/TempController.class.php
+++ b/webapp/controller/TempController.class.php
@@ -13,7 +13,7 @@ class TempController{
             'port' => $mysql_conf['port'],
             'user' => $mysql_conf['user'],
             'passwd' => $mysql_conf['passwd'],
-            'dbname' => 'gamedb2004_' . 1
+            'dbname' => DBNAME_PREFIX . 1
         ));
         return $conn;
     }
diff --git a/webapp/controller/VoiceController.class.php b/webapp/controller/VoiceController.class.php
index ba698c3..84d53d7 100644
--- a/webapp/controller/VoiceController.class.php
+++ b/webapp/controller/VoiceController.class.php
@@ -10,7 +10,7 @@ class VoiceController{
             'port' => $mysql_conf['port'],
             'user' => $mysql_conf['user'],
             'passwd' => $mysql_conf['passwd'],
-            'dbname' => 'gamedb2004_' . $mysql_conf['instance_id']
+            'dbname' => DBNAME_PREFIX . $mysql_conf['instance_id']
         ));
         return $conn;
     }
diff --git a/webapp/index.php b/webapp/index.php
index 7ed1cb9..f06f3d1 100644
--- a/webapp/index.php
+++ b/webapp/index.php
@@ -1,5 +1,6 @@
 <?php
 
+require '../config/config.php';
 require 'bootstrap/init.php';
 
 if (empty($_REQUEST['c']) || empty($_REQUEST['a'])) {