diff --git a/test/config/config.php b/test/config/config.php
new file mode 100644
index 0000000000..df921468b6
--- /dev/null
+++ b/test/config/config.php
@@ -0,0 +1,5 @@
+<?php
+$config->test = new stdclass;
+$config->test->dbPrefix = "db_";
+$config->test->rawDB    = 'zentaounittest';
+$config->test->dbNum    = 10;
diff --git a/test/lib/db.class.php b/test/lib/db.class.php
new file mode 100644
index 0000000000..9769f186d6
--- /dev/null
+++ b/test/lib/db.class.php
@@ -0,0 +1,150 @@
+<?php
+/**
+ *本文件主要进行初始化数据库实例，运行脚本时调度初始化的数据库
+ *
+ * All request of entries should be routed by this router.
+ *
+ * @copyright   Copyright 2009-2017 青岛易软天创网络科技有限公司(QingDao Nature Easy Soft Network Technology Co,LTD, www.cnezsoft.com)
+ * @license     ZPL (http://zpl.pub/page/zplv12.html)
+ * @author      liyang <liyang@easycorp.ltd>
+ * @package     ZenTaoPMS
+ * @version     $Id: $
+ * @link        http://www.zentao.net/
+ */
+class db
+{
+    /**
+     * global config
+     *
+     * @var object
+     * @access public
+     */
+    public $config;
+
+    /**
+     * global app
+     *
+     * @var object
+     * @access public
+     */
+    public $app;
+
+    /**
+     * switch DB file
+     *
+     * @var string
+     * @access public
+     */
+    public $dbLogFile;
+
+    /**
+     * init DB file
+     *
+     * @var string
+     * @access public
+     */
+    public $sqlFile;
+
+    /**
+     * global dao
+     *
+     * @var object
+     * @access public
+     */
+    public $dao;
+
+    /**
+     * __construct function load app config dao.
+     *
+     * @access public
+     * @return void
+     */
+    public function __construct()
+    {
+        global $config, $app, $dao;
+        $this->config    = $config;
+        $this->app       = $app;
+        $this->dao       = $dao;
+        $this->dbLogFile = dirname(dirname(dirname(__FILE__))) . DIRECTORY_SEPARATOR . 'test/tmp/dblog.php';
+        $this->sqlFile   = dirname(dirname(dirname(__FILE__))) . DIRECTORY_SEPARATOR . 'test/tmp/raw.sql';
+    }
+
+    /**
+     * switch database.
+     *
+     * @access public
+     * @return void
+     */
+    function switchDB()
+    {
+        global $tester, $config;
+        $dbUsed = $this->getUsedDbList();
+        $lastDB = 0;
+        if(!empty($dbUsed)) $lastDB = max($dbUsed);
+        if($lastDB == $this->config->test->dbNum)
+        {
+            shell_exec("> $this->dbLogFile");
+            $this->initDB();
+            $lastDB = 0;
+        }
+
+        $dbSN   = $lastDB + 1;
+        $dbName = $config->test->dbPrefix . $dbSN;
+
+        $this->dao->query("use $dbName");
+
+        $tester = $this->app->loadCommon();
+        $logHandle = fopen($this->dbLogFile, 'a');
+        fwrite($logHandle, $dbSN . PHP_EOL);
+        fclose($logHandle);
+    }
+
+    /**
+     * restore database.
+     *
+     * @access public
+     * @return void
+     */
+    function restoreDB()
+    {
+        $this->dao->query("use " . $this->config->test->rawDB);
+    }
+
+
+    /**
+     * get used DbList.
+     *
+     * @access public
+     * @return array
+     */
+    function getUsedDbList()
+    {
+        $dbUsed = explode("\n", file_get_contents($this->dbLogFile));
+        $dbUsed = array_unique($dbUsed);
+
+        foreach($dbUsed as $key => $db)
+        {
+            if(!is_numeric($db)) unset($dbUsed[$key]);
+        }
+
+        return $dbUsed;
+    }
+
+
+    /**
+     * Init all test databases.
+     *
+     * @access public
+     * @return void
+     */
+    function initDB()
+    {
+        for($i = 1; $i < 11; $i++)
+        {
+            $this->dao->query('DROP DATABASE ' . $this->config->test->dbPrefix . $i);
+            $this->dao->query('CREATE DATABASE ' . $this->config->test->dbPrefix . $i);
+
+            shell_exec("mysql -u" . $this->config->db->user . ' -p' . $this->config->db->password . ' ' .  $this->config->test->dbPrefix . $i . '  <  ' . $this->sqlFile);
+        }
+    }
+}
diff --git a/test/lib/init.php b/test/lib/init.php
index 6a56270c9c..344f2625d9 100644
--- a/test/lib/init.php
+++ b/test/lib/init.php
@@ -15,6 +15,7 @@
 /* Set the error reporting. */
 error_reporting(E_ALL & E_STRICT);
 
+$testPath      = dirname(dirname(dirname(__FILE__))) . DIRECTORY_SEPARATOR . 'test' . DIRECTORY_SEPARATOR;
 $frameworkRoot = dirname(dirname(dirname(__FILE__))) . DIRECTORY_SEPARATOR . 'framework' . DIRECTORY_SEPARATOR;
 
 /**
@@ -51,6 +52,11 @@ $config->zendataRoot = dirname(dirname(__FILE__)) . '/zendata';
 $config->ztfPath     = dirname(dirname(__FILE__)) . '/tools/ztf';
 $config->zdPath      = dirname(dirname(__FILE__)) . '/tools/zd';
 
+/* init testDB. */
+include $testPath . 'config/config.php';
+include $testPath. 'lib/db.class.php';
+$db = new db();
+
 /**
  * Save variable to $_result.
  *
diff --git a/test/lib/utils.php b/test/lib/utils.php
index 86430cd9ef..8f933a7608 100644
--- a/test/lib/utils.php
+++ b/test/lib/utils.php
@@ -12,6 +12,7 @@
 
 define('RUNTIME_ROOT', dirname(dirname(__FILE__)) . '/runtime/');
 define('LIB_ROOT', dirname(dirname(__FILE__)) . '/lib/');
+define('TEST_BASEHPATH', dirname(__FILE__, 2));
 
 include LIB_ROOT . 'init.php';
 
@@ -84,7 +85,6 @@ function zdRun()
     set_time_limit(0);
     try
     {
-        $versionType = getVersionType($config->version);
         $configRoot  = $zdRoot . $versionType . '/';
         include $configRoot . 'config.php';
         include $configRoot . 'processor.php';
@@ -208,6 +208,40 @@ function zdRun()
     }
 }
 
+/**
+ * copy init DB.
+ *
+ * @access public
+ * @return void
+ */
+function copyDB()
+{
+    global $config, $dao;
+
+    $dumpCommand = "mysqldump -u%s -p%s %s > %s";
+    $sqlFile     = TEST_BASEHPATH . DS . 'tmp/raw.sql';
+
+    $currentDBNum = $dao->query("select count(*) from information_schema.SCHEMATA where SCHEMA_NAME like '" . $config->test->dbPrefix . "%'");
+    $dumpCommand  = sprintf($dumpCommand, $config->db->user, $config->db->password, $config->test->rawDB, $sqlFile);
+    shell_exec($dumpCommand);
+
+    $dbNum = $config->test->dbNum;
+
+    $dbUsed = array();
+    for($i = 1; $i <= $dbNum; $i++)
+    {
+        $dbUsed[] =  $config->test->dbPrefix . $i;
+    }
+
+    foreach($dbUsed as $db)
+    {
+        if (!empty($currentDBNum)) $dao->query('drop database ' . $db);
+        $dao->query('CREATE DATABASE ' . $db);
+        shell_exec("mysql -u" . $config->db->user . ' -p' . $config->db->password . ' ' .  $db . '  <  ' . $sqlFile);
+        echo '数据库<' . $db . '>复制成功！';
+    }
+}
+
 /**
  * Print usage of zdtest.
  *
diff --git a/test/tmp/dblog.php b/test/tmp/dblog.php
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/test/ztest b/test/ztest
index ef7d8cb240..51db9c2c3a 100755
--- a/test/ztest
+++ b/test/ztest
@@ -9,6 +9,9 @@ switch($argv[1])
     case 'init':
         zdRun();
         break;
+    case 'copyDB':
+        copyDB();
+        break;
     case 'extract':
         ztfExtract('api');
         ztfExtract('model');