diff --git a/webapp/controller/ActivityController.class.php b/webapp/controller/ActivityController.class.php
index 842ecfd..f85bdc6 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 1166f55..521bfa6 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 6de09c4..0da721b 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 5e186e1..5550b0d 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 ab35ec9..fbf60dc 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 2fa3cac..561e8c1 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 554fea8..bf48ede 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 bddce2d..3df7cdc 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 1880344..0acb317 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 a08a929..c9d56d6 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 06aa385..22764ed 100644
--- a/webapp/controller/ShopController.class.php
+++ b/webapp/controller/ShopController.class.php
@@ -24,7 +24,7 @@ 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 1431105..697afda 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;
     }