diff --git a/config/zentaopms.php b/config/zentaopms.php
index 731f4db128..a903e649fc 100644
--- a/config/zentaopms.php
+++ b/config/zentaopms.php
@@ -372,8 +372,6 @@ define('TABLE_DIMENSION', '`' . $config->db->prefix . 'dimension`');
 define('TABLE_SCENE',     '`' . $config->db->prefix . 'scene`');
 define('VIEW_SCENECASE',  '`ztv_scenecase`');
 
-define('CHANGEVALUE', 100000000);
-
 define('TABLE_PRIV',         '`' . $config->db->prefix . 'priv`');
 define('TABLE_PRIVLANG',     '`' . $config->db->prefix . 'privlang`');
 define('TABLE_PRIVMANAGER',  '`' . $config->db->prefix . 'privmanager`');
diff --git a/module/testcase/model.php b/module/testcase/model.php
index 1f02800835..ef1330625b 100644
--- a/module/testcase/model.php
+++ b/module/testcase/model.php
@@ -3536,7 +3536,7 @@ class testcaseModel extends model
         if(isset($sceneIds[$tmpPId]))
         {
             $pScene = $sceneIds[$tmpPId];
-            $scene  = $pScene["id"] + CHANGEVALUE;
+            $scene  = $pScene["id"];
         }
 
         $id         = isset($testcaseData["id"]) ? $testcaseData["id"] : -1;
@@ -3692,10 +3692,7 @@ class testcaseModel extends model
             $this->dao->insert(TABLE_SCENE)->data($scene)->autoCheck()->exec();
             $sceneID = $this->dao->lastInsertID();
 
-            $order       = new stdclass();
-            $order->sort = ($sceneID + CHANGEVALUE);
-
-            $this->dao->update(TABLE_SCENE)->data($order)->where('id')->eq((int)$sceneID)->exec();
+            $this->dao->update(TABLE_SCENE)->set('`order`')->eq($sceneID)->where('id')->eq((int)$sceneID)->exec();
         }
         else
         {
@@ -3718,18 +3715,16 @@ class testcaseModel extends model
         $pScene = isset($sceneIds[$tmpPId]) ? $sceneIds[$tmpPId] : array();
         $parent = 0;
         $grade  = 1;
-        $path   = ",".($sceneID + CHANGEVALUE).",";
+        $path   = ",{$sceneID},";
 
         if(isset($sceneIds[$tmpPId]))
         {
             $parent      = $pScene["id"];
             $parentScene = $this->dao->findById((int)$parent)->from(TABLE_SCENE)->fetch();
-            $path        = $parentScene->path . ($sceneID + CHANGEVALUE).",";
+            $path        = $parentScene->path . $sceneID . ',';
             $grade       = $parentScene->grade + 1;
         }
 
-        if($parent != 0) $parent = $parent + CHANGEVALUE;
-
         $this->dao->update(TABLE_SCENE)
             ->set('parent')->eq($parent)
             ->set('path')->eq($path)
@@ -3823,7 +3818,7 @@ class testcaseModel extends model
         $caseList = $this->dao->select($fields)->from(TABLE_CASE)->alias('t1')
             ->leftJoin(TABLE_PRODUCT)->alias('t2')->on('t1.product = t2.id')
             ->leftJoin(TABLE_MODULE)->alias('t3')->on('t1.module = t3.id')
-            ->leftJoin(TABLE_SCENE)->alias('t4')->on('t1.scene = t4.id+' . CHANGEVALUE)
+            ->leftJoin(TABLE_SCENE)->alias('t4')->on('t1.scene = t4.id')
             ->where('t1.deleted')->eq(0)
             ->andWhere('t1.product')->eq($productID)
             ->beginIF($moduleID > 0)->andWhere('t1.module')->eq($moduleID)->fi()