diff --git a/webapp/classes/OrderCtrl.php b/webapp/classes/OrderCtrl.php
index 3f42834..c8a0a26 100644
--- a/webapp/classes/OrderCtrl.php
+++ b/webapp/classes/OrderCtrl.php
@@ -17,27 +17,45 @@ class OrderCtrl {
         return $r;
     }
 
-    private function getMysql()
+    private function getMysql($DNA)
     {
-        $mysql_conf = getMysqlConfig();
+        $mysql_conf = getMysqlConfig($DNA);
         $conn = new phpcommon\Mysql(array(
             'host' => $mysql_conf['host'],
             'port' => $mysql_conf['port'],
             'user' => $mysql_conf['user'],
             'passwd' => $mysql_conf['passwd'],
-            'dbname' => 'paydb'
+            'dbname' => 'paydb' . $mysql_conf['instance_id']
         ));
         return $conn;
     }
 
-    public function genOrderId($account_id)
+    private function getCpOrderIdDNA($cp_orderid)
     {
-
+        if (strlen($cp_orderid) < 2) {
+            return 0;
+        }
+        $hex_str = substr($cp_orderid, strlen($cp_orderid) - 2);
+        return hexdec($hex_str);
     }
 
-    public function getOrderByCpOrderId($orderid)
+    private function getStrDNA($account_id)
     {
-        $conn = $this->getMysql();
+        return crc32($account_id) % 256;
+    }
+
+    public function genOrderId($account_id)
+    {
+        $hex_str = dechex($this->getStrDNA($account_id));
+        if (strlen($hex_str) < 2) {
+            $hex_str = '0' . $hex_str;
+        }
+        return uniqid('201020') . $hex_str;
+    }
+
+    public function getOrderByCpOrderId($cp_orderid)
+    {
+        $conn = $this->getMysql($this->getCpOrderIdDNA($cp_orderid));
         $row = $conn->execQueryOne('SELECT * FROM orderinfo ' .
                                    'WHERE orderid=:orderid;',
                                    array(
@@ -47,24 +65,6 @@ class OrderCtrl {
         return $row;
     }
 
-    public function getOrderBySpOrderId($channel, $sp_orderid)
-    {
-        $conn = $this->getMysql();
-        $row = $conn->execQueryOne('SELECT * FROM orderinfo ' .
-                                   'WHERE channel=:channel AND sp_orderid=:sp_orderid;',
-                                   array(
-                                       ':channel' => $channel,
-                                       ':sp_orderid' => $sp_orderid
-                                   )
-        );
-        return $row;
-    }
-
-    public function addOrder($order_info)
-    {
-        return $this->internalAddOrder($order_info);
-    }
-
     public function addPreOrder($pre_order_info)
     {
         $pre_order_info['sp_orderid'] = '';
@@ -78,7 +78,7 @@ class OrderCtrl {
     {
         $gameid = phpcommon\extractGameId($order_info['account_id']);
         $openid = phpcommon\extractOpenId($order_info['account_id']);
-        $conn = $this->getMysql();
+        $conn = $this->getMysql($this->getStrDNA($order_info['account_id']));
         $ret = $conn->execScript('INSERT INTO orderinfo(' .
                                  '  orderid, account_id, roleid, server_id, channel, ' .
                                  '  poly_sdk_channel, unified_channel, ' .
@@ -119,9 +119,9 @@ class OrderCtrl {
         return $ret;
     }
 
-    public function spPayConfirm($orderid, $sp_orderid, $sp_amount)
+    public function spPayConfirm($cp_orderid, $sp_orderid, $sp_amount)
     {
-        $conn = $this->getMysql();
+        $conn = $this->getMysql($this->getCpOrderIdDNA($cp_orderid));
         $ret = $conn->execScript('UPDATE orderinfo SET ' .
                                  '  sp_orderid = :sp_orderid, ' .
                                  '  sp_amount = :sp_amount, ' .
@@ -129,7 +129,7 @@ class OrderCtrl {
                                  '  sp_pay_result = :sp_pay_result ' .
                                  'WHERE orderid = :orderid;',
                                  array(
-                                     ':orderid' => $orderid,
+                                     ':orderid' => $cp_orderid,
 
                                      ':sp_orderid' => $sp_orderid,
                                      ':sp_amount' => $sp_amount,