diff --git a/VERSION b/VERSION
index d7764b2a6c..406b898277 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-8.1.stable
+8.1.3
diff --git a/config/config.php b/config/config.php
index 93c376b005..177c75257d 100644
--- a/config/config.php
+++ b/config/config.php
@@ -17,7 +17,7 @@ if(!function_exists('getWebRoot')){function getWebRoot(){}}
 
 /* Basic settings. */
 $config = new config();
-$config->version      = '8.1';             // The version of zentaopms. Don't change it.
+$config->version      = '8.1.3';             // The version of zentaopms. Don't change it.
 $config->charset      = 'UTF-8';           // The charset of zentaopms.
 $config->cookieLife   = time() + 2592000;  // The cookie life time.
 $config->timezone     = 'Asia/Shanghai';   // The time zone setting, for more see http://www.php.net/manual/en/timezones.php
diff --git a/db/update8.1.sql b/db/update8.1.sql
new file mode 100644
index 0000000000..ba15bbc280
--- /dev/null
+++ b/db/update8.1.sql
@@ -0,0 +1,28 @@
+ALTER TABLE `zt_extension` DROP INDEX `name`;
+ALTER TABLE `zt_extension` DROP INDEX `addedTime`;
+ALTER TABLE `zt_extension` ADD INDEX `extension` (`name`, `installedTime`);
+ALTER TABLE `zt_file` DROP INDEX `objectType`;
+ALTER TABLE `zt_file` DROP INDEX `objectID`;
+ALTER TABLE `zt_file` ADD INDEX `file` (`objectType`, `objectID`);
+ALTER TABLE `zt_module` DROP INDEX `root`;
+ALTER TABLE `zt_module` DROP INDEX `type`;
+ALTER TABLE `zt_module` ADD INDEX `module` (`root`, `type`, `path`);
+ALTER TABLE `zt_project` DROP INDEX `project`;
+ALTER TABLE `zt_project` ADD INDEX `project` (`parent`, `begin`, `end`, `status`, `order`);
+ALTER TABLE `zt_story` DROP INDEX `status`;
+ALTER TABLE `zt_story` DROP INDEX `product`;
+ALTER TABLE `zt_story` ADD INDEX `story` (`product`, `module`, `status`, `assignedTo`);
+ALTER TABLE `zt_task` DROP INDEX `project`;;
+ALTER TABLE `zt_task` DROP INDEX `type`;
+ALTER TABLE `zt_task` DROP INDEX `status`;
+ALTER TABLE `zt_task` ADD INDEX `task` (`project`, `module`, `story`, `assignedTo`);
+ALTER TABLE `zt_testresult` DROP INDEX `run`;
+ALTER TABLE `zt_testresult` DROP INDEX `case`;
+ALTER TABLE `zt_testresult` ADD INDEX `testresult` (`case`, `version`, `run`);
+ALTER TABLE `zt_todo` DROP INDEX `user`;
+ALTER TABLE `zt_todo` ADD INDEX `todo` (`account`, `date`);
+ALTER TABLE `zt_user` DROP INDEX `dept`;
+ALTER TABLE `zt_user` ADD INDEX `user` (`dept`, `email`, `commiter`);
+ALTER TABLE `zt_userquery` DROP INDEX `account`;
+ALTER TABLE `zt_userquery` DROP INDEX `module`;
+ALTER TABLE `zt_userquery` ADD INDEX `query` (`account`, `module`);
diff --git a/module/upgrade/lang/en.php b/module/upgrade/lang/en.php
index 82198259eb..1d796a95d2 100644
--- a/module/upgrade/lang/en.php
+++ b/module/upgrade/lang/en.php
@@ -98,3 +98,4 @@ $lang->upgrade->fromVersions['7_3']       = '7.3';
 $lang->upgrade->fromVersions['7_4_beta']  = '7.4.beta';
 $lang->upgrade->fromVersions['8_0']       = '8.0';
 $lang->upgrade->fromVersions['8_0_1']     = '8.0.1';
+$lang->upgrade->fromVersions['8_1']       = '8.1';
diff --git a/module/upgrade/lang/zh-cn.php b/module/upgrade/lang/zh-cn.php
index e7ea9a2310..97e4dca196 100644
--- a/module/upgrade/lang/zh-cn.php
+++ b/module/upgrade/lang/zh-cn.php
@@ -98,3 +98,4 @@ $lang->upgrade->fromVersions['7_3']       = '7.3';
 $lang->upgrade->fromVersions['7_4_beta']  = '7.4.beta';
 $lang->upgrade->fromVersions['8_0']       = '8.0';
 $lang->upgrade->fromVersions['8_0_1']     = '8.0.1';
+$lang->upgrade->fromVersions['8_1']       = '8.1';
diff --git a/module/upgrade/model.php b/module/upgrade/model.php
index a934b76bc6..175461c2e3 100644
--- a/module/upgrade/model.php
+++ b/module/upgrade/model.php
@@ -134,6 +134,8 @@ class upgradeModel extends model
             case '8_0_1':
                 $this->execSQL($this->getUpgradeFile('8.0.1'));
                 $this->addPriv8_1();
+            case '8_1':
+                $this->execSQL($this->getUpgradeFile('8.1'));
 
             default: if(!$this->isError()) $this->setting->updateVersion($this->config->version);
         }
@@ -208,6 +210,7 @@ class upgradeModel extends model
         case '7_4_beta':  $confirmContent .= file_get_contents($this->getUpgradeFile('7.4.beta'));
         case '8_0':
         case '8_0_1':     $confirmContent .= file_get_contents($this->getUpgradeFile('8.0.1'));
+        case '8_1':       $confirmContent .= file_get_contents($this->getUpgradeFile('8.1'));
         }
         return str_replace('zt_', $this->config->db->prefix, $confirmContent);
     }