diff --git a/module/group/lang/resource.php b/module/group/lang/resource.php
index 368ff461c5..c16e47f77c 100644
--- a/module/group/lang/resource.php
+++ b/module/group/lang/resource.php
@@ -1161,6 +1161,7 @@ $lang->resource->testcase->updateOrder      = 'updateOrder';
 
 $lang->resource->testcase->importXmind     = 'importXmind';
 $lang->resource->testcase->exportXmind     = 'exportXmind';
+$lang->resource->testcase->exportFreeMind  = 'exportFreeMind';
 
 $lang->testcase->methodOrder[0]   = 'index';
 $lang->testcase->methodOrder[5]   = 'browse';
diff --git a/module/group/packagemanager.php b/module/group/packagemanager.php
index bfe427960a..98d100a1f9 100644
--- a/module/group/packagemanager.php
+++ b/module/group/packagemanager.php
@@ -1872,12 +1872,13 @@ $config->group->package->importCase = new stdclass();
 $config->group->package->importCase->order  = 25;
 $config->group->package->importCase->subset = 'testcase';
 $config->group->package->importCase->privs  = array();
-$config->group->package->importCase->privs['testcase-export']         = array('edition' => 'open,biz,max,ipd', 'vision' => 'rnd', 'order' => 0, 'depend' => array(), 'recommend' => array('testcase-exportXmind'));
+$config->group->package->importCase->privs['testcase-export']         = array('edition' => 'open,biz,max,ipd', 'vision' => 'rnd', 'order' => 0, 'depend' => array(), 'recommend' => array('testcase-exportXmind', 'testcase-exportFreeMind'));
 $config->group->package->importCase->privs['testcase-importFromLib']  = array('edition' => 'open,biz,max,ipd', 'vision' => 'rnd', 'order' => 5, 'depend' => array(), 'recommend' => array('assetlib-caselib', 'caselib-browse'));
 $config->group->package->importCase->privs['testcase-exportTemplate'] = array('edition' => 'open,biz,max,ipd', 'vision' => 'rnd', 'order' => 1, 'depend' => array('testcase-import'), 'recommend' => array());
 $config->group->package->importCase->privs['testcase-import']         = array('edition' => 'open,biz,max,ipd', 'vision' => 'rnd', 'order' => 3, 'depend' => array('testcase-exportTemplate'), 'recommend' => array('testcase-importXmind'));
 $config->group->package->importCase->privs['testcase-importXmind']    = array('edition' => 'open,biz,max,ipd', 'vision' => 'rnd', 'order' => 6, 'depend' => array(), 'recommend' => array('testcase-import'));
 $config->group->package->importCase->privs['testcase-exportXmind']    = array('edition' => 'open,biz,max,ipd', 'vision' => 'rnd', 'order' => 2, 'depend' => array(), 'recommend' => array('testcase-export'));
+$config->group->package->importCase->privs['testcase-exportFreeMind'] = array('edition' => 'open,biz,max,ipd', 'vision' => 'rnd', 'order' => 2, 'depend' => array(), 'recommend' => array('testcase-export'));
 
 $config->group->package->deleteCase = new stdclass();
 $config->group->package->deleteCase->order  = 30;
diff --git a/module/testcase/control.php b/module/testcase/control.php
index cb4f7d0656..7e56d02a2a 100644
--- a/module/testcase/control.php
+++ b/module/testcase/control.php
@@ -1704,17 +1704,17 @@ class testcase extends control
      * @access public
      * @return void
      */
-    public function exportXMind(int $productID, int $moduleID, string $branch)
+    public function exportFreeMind(int $productID, int $moduleID, string $branch)
     {
         if($_POST)
         {
-            $configList = $this->testcaseZen->buildXmindConfig();
+            $configList = $this->testcaseZen->buildMindConfig('freemind');
             if(dao::isError()) return $this->send(array('result' => 'fail', 'message' => dao::getError()));
 
             $this->testcase->saveXmindConfig($configList);
 
             $imoduleID = $this->post->imodule ? $this->post->imodule : 0;
-            $context   = $this->testcaseZen->getXmindExport($productID, (int)$imoduleID, $branch);
+            $context   = $this->testcaseZen->getMindExport('freemind', $productID, (int)$imoduleID, $branch);
 
             $productName = '';
             if(count($context['caseList']))
@@ -1730,12 +1730,14 @@ class testcase extends control
             $xmlDoc = $this->testcaseZen->createXmlDoc($productID, $productName, $context);
 
             $xmlStr = $xmlDoc->saveXML();
+            a($xmlStr);
+            die;
             $this->fetch('file', 'sendDownHeader', array('fileName' => $productName, 'mm', $xmlStr));
         }
 
         $product = $this->product->getByID($productID);
 
-        $this->view->settings         = $this->testcase->getXmindConfig();
+        $this->view->settings         = $this->testcase->getMindConfig('freemind');
         $this->view->productName      = $product->name;
         $this->view->moduleID         = $moduleID;
         $this->view->moduleOptionMenu = $this->tree->getOptionMenu($productID, 'case', 0, ($branch === 'all' || !isset($branches[$branch])) ? '0' : $branch);
@@ -1752,7 +1754,7 @@ class testcase extends control
      */
     public function getXmindConfig()
     {
-        $result = $this->testcase->getXmindConfig();
+        $result = $this->testcase->getMindConfig('xmind');
         $this->send($result);
     }
 
@@ -1798,7 +1800,7 @@ class testcase extends control
 
             /* 保存xmind配置。*/
             /* Sav xmind config. */
-            $configList = $this->testcaseZen->buildXmindConfig();
+            $configList = $this->testcaseZen->buildMindConfig('xmind');
             if(dao::isError()) return $this->send(array('result' => 'fail', 'message' => dao::getError()));
             $this->testcase->saveXmindConfig($configList);
 
@@ -1813,7 +1815,7 @@ class testcase extends control
             return $this->send(array('result' => 'success', 'load' => $this->createLink('testcase', 'showXmindImport', "productID=$result&branch=$branch"), 'closeModal' => true));
         }
 
-        $this->view->settings = $this->testcase->getXmindConfig();
+        $this->view->settings = $this->testcase->getMindConfig('xmind');
         $this->display();
     }
 
@@ -1880,7 +1882,7 @@ class testcase extends control
         if(!empty($results[0]['rootTopic'])) $scenes = $this->testcaseZen->processScene($results[0]['rootTopic']);
 
         $this->view->title            = $this->lang->testcase->xmindImport;
-        $this->view->settings         = $this->testcase->getXmindConfig();
+        $this->view->settings         = $this->testcase->getMindConfig('xmind');
         $this->view->product          = $product;
         $this->view->productID        = $productID;
         $this->view->branch           = $branch;
diff --git a/module/testcase/lang/de.php b/module/testcase/lang/de.php
index 765bb84ff6..a5bdc082e7 100644
--- a/module/testcase/lang/de.php
+++ b/module/testcase/lang/de.php
@@ -287,6 +287,7 @@ $lang->testcase->featureBar['browse']['needconfirm'] = $lang->testcase->needConf
 
 $lang->testcase->importXmind     = "Import Xmind";
 $lang->testcase->exportXmind     = "Export Xmind";
+$lang->testcase->exportFreeMind  = "Export FreeMind";
 $lang->testcase->getXmindImport  = "Get Mindmap";
 $lang->testcase->showXMindImport = "Display Mindmap";
 $lang->testcase->saveXmindImport = "Save Mindmap";
@@ -300,7 +301,7 @@ $lang->testcase->errorFileFormat       = 'File format error';
 $lang->testcase->moduleSelector        = 'Module Selection';
 $lang->testcase->errorImportBadProduct = 'Product does not exist, import error';
 $lang->testcase->errorSceneNotExist    = 'Scene [%d] not exists';
-$lang->testcase->errorXmindConfig      = "%s characteristic character can only be 1-10 letters.";
+$lang->testcase->errorMindConfig       = "%s characteristic character can only be 1-10 letters.";
 
 $lang->testcase->save  = 'Save';
 $lang->testcase->close = 'Close';
@@ -312,6 +313,7 @@ $lang->testcase->xmindSettingTip    = 'After the feature characters are set, the
 $lang->testcase->settingModule = 'Module';
 $lang->testcase->settingScene  = 'Scene';
 $lang->testcase->settingCase   = 'Testcase';
+$lang->testcase->settingPre    = 'Precondition';
 $lang->testcase->settingPri    = 'Priority';
 $lang->testcase->settingGroup  = 'Step Group';
 
diff --git a/module/testcase/lang/en.php b/module/testcase/lang/en.php
index e9013934df..578985ab32 100644
--- a/module/testcase/lang/en.php
+++ b/module/testcase/lang/en.php
@@ -287,6 +287,7 @@ $lang->testcase->featureBar['browse']['needconfirm'] = $lang->testcase->needConf
 
 $lang->testcase->importXmind     = "Import Xmind";
 $lang->testcase->exportXmind     = "Export Xmind";
+$lang->testcase->exportFreeMind  = "Export FreeMind";
 $lang->testcase->getXmindImport  = "Get Mindmap";
 $lang->testcase->showXMindImport = "Display Mindmap";
 $lang->testcase->saveXmindImport = "Save Mindmap";
@@ -300,7 +301,7 @@ $lang->testcase->errorFileFormat       = 'File format error';
 $lang->testcase->moduleSelector        = 'Module Selection';
 $lang->testcase->errorImportBadProduct = 'Product does not exist, import error';
 $lang->testcase->errorSceneNotExist    = 'Scene [%d] not exists';
-$lang->testcase->errorXmindConfig      = "%s characteristic character can only be 1-10 letters.";
+$lang->testcase->errorMindConfig       = "%s characteristic character can only be 1-10 letters.";
 
 $lang->testcase->save  = 'Save';
 $lang->testcase->close = 'Close';
@@ -312,6 +313,7 @@ $lang->testcase->xmindSettingTip    = 'After the feature characters are set, the
 $lang->testcase->settingModule = 'Module';
 $lang->testcase->settingScene  = 'Scene';
 $lang->testcase->settingCase   = 'Testcase';
+$lang->testcase->settingPre    = 'Precondition';
 $lang->testcase->settingPri    = 'Priority';
 $lang->testcase->settingGroup  = 'Step Group';
 
diff --git a/module/testcase/lang/fr.php b/module/testcase/lang/fr.php
index 5f984bf5aa..e43eb4b3a3 100644
--- a/module/testcase/lang/fr.php
+++ b/module/testcase/lang/fr.php
@@ -287,6 +287,7 @@ $lang->testcase->featureBar['browse']['needconfirm'] = $lang->testcase->needConf
 
 $lang->testcase->importXmind     = "Import Xmind";
 $lang->testcase->exportXmind     = "Export Xmind";
+$lang->testcase->exportFreeMind  = "Export FreeMind";
 $lang->testcase->getXmindImport  = "Get Mindmap";
 $lang->testcase->showXMindImport = "Display Mindmap";
 $lang->testcase->saveXmindImport = "Save Mindmap";
@@ -300,7 +301,7 @@ $lang->testcase->errorFileFormat       = 'File format error';
 $lang->testcase->moduleSelector        = 'Module Selection';
 $lang->testcase->errorImportBadProduct = 'Product does not exist, import error';
 $lang->testcase->errorSceneNotExist    = 'Scene [%d] not exists';
-$lang->testcase->errorXmindConfig      = "%s characteristic character can only be 1-10 letters.";
+$lang->testcase->errorMindConfig       = "%s characteristic character can only be 1-10 letters.";
 
 $lang->testcase->save  = 'Save';
 $lang->testcase->close = 'Close';
@@ -312,6 +313,7 @@ $lang->testcase->xmindSettingTip    = 'After the feature characters are set, the
 $lang->testcase->settingModule = 'Module';
 $lang->testcase->settingScene  = 'Scene';
 $lang->testcase->settingCase   = 'Testcase';
+$lang->testcase->settingPre    = 'Precondition';
 $lang->testcase->settingPri    = 'Priority';
 $lang->testcase->settingGroup  = 'Step Group';
 
diff --git a/module/testcase/lang/zh-cn.php b/module/testcase/lang/zh-cn.php
index 97859f6e71..24141dd298 100644
--- a/module/testcase/lang/zh-cn.php
+++ b/module/testcase/lang/zh-cn.php
@@ -287,6 +287,7 @@ $lang->testcase->featureBar['browse']['needconfirm'] = $lang->testcase->needConf
 
 $lang->testcase->importXmind     = "导入Xmind";
 $lang->testcase->exportXmind     = "导出Xmind";
+$lang->testcase->exportFreeMind  = "导出FreeMind";
 $lang->testcase->getXmindImport  = "获取导图";
 $lang->testcase->showXMindImport = "显示导图";
 $lang->testcase->saveXmindImport = "保存导图";
@@ -300,7 +301,7 @@ $lang->testcase->errorFileFormat       = '文件格式错误';
 $lang->testcase->moduleSelector        = '模块选择';
 $lang->testcase->errorImportBadProduct = '产品不存在，导入错误';
 $lang->testcase->errorSceneNotExist    = '场景[%d]不存在';
-$lang->testcase->errorXmindConfig      = "%s特征字符串只能是1-10个字母";
+$lang->testcase->errorMindConfig       = "%s特征字符串只能是1-10个字母";
 
 $lang->testcase->save  = '保存';
 $lang->testcase->close = '关闭';
@@ -312,6 +313,7 @@ $lang->testcase->xmindSettingTip    = '特征字符设置后，Xmind主题可与
 $lang->testcase->settingModule = '模块';
 $lang->testcase->settingScene  = '场景';
 $lang->testcase->settingCase   = '测试用例';
+$lang->testcase->settingPre    = '前置条件';
 $lang->testcase->settingPri    = '优先级';
 $lang->testcase->settingGroup  = '步骤分组';
 
diff --git a/module/testcase/model.php b/module/testcase/model.php
index 5ff4b1ad65..714383929d 100755
--- a/module/testcase/model.php
+++ b/module/testcase/model.php
@@ -2342,7 +2342,7 @@ class testcaseModel extends model
      */
     function getCaseListForXmindExport(int $productID, int $moduleID): array
     {
-        $fields = 't1.id AS testcaseID, t1.title AS `name`, t1.pri, t2.id AS productID, t2.`name` AS productName, t3.id AS moduleID, t3.`name` AS moduleName, t4.id AS sceneID, t4.title AS sceneName';
+        $fields = 't1.id AS testcaseID, t1.title AS `name`, t1.pri, t2.id AS productID, t2.`name` AS productName, t3.id AS moduleID, t3.`name` AS moduleName, t4.id AS sceneID, t4.title AS sceneName, t1.precondition';
         return $this->dao->select($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')
@@ -2485,22 +2485,23 @@ class testcaseModel extends model
      * @access public
      * @return array
      */
-    function getXmindConfig(): array
+    function getMindConfig(string $type): array
     {
         $configItems = $this->dao->select("`key`,value")->from(TABLE_CONFIG)
             ->where('owner')->eq($this->app->user->account)
             ->andWhere('module')->eq('testcase')
-            ->andWhere('section')->eq('xmind')
+            ->andWhere('section')->eq($type)
             ->fetchAll();
 
         $config = array();
         foreach($configItems as $item) $config[$item->key] = $item->value;
 
-        if(!isset($config['module'])) $config['module'] = 'M';
-        if(!isset($config['scene']))  $config['scene']  = 'S';
-        if(!isset($config['case']))   $config['case']   = 'C';
-        if(!isset($config['pri']))    $config['pri']    = 'P';
-        if(!isset($config['group']))  $config['group']  = 'G';
+        if(!isset($config['module']))       $config['module'] = 'M';
+        if(!isset($config['scene']))        $config['scene']  = 'S';
+        if(!isset($config['case']))         $config['case']   = 'C';
+        if(!isset($config['precondition'])) $config['precondition']    = 'pre';
+        if(!isset($config['pri']))          $config['pri']    = 'P';
+        if(!isset($config['group']))        $config['group']  = 'G';
 
         return $config;
     }
@@ -2834,7 +2835,7 @@ class testcaseModel extends model
         $this->config->testcase->search['params']['scene']['values']   = $this->getSceneMenu($productID, $moduleID, $branch, 0, 0, true);
         $this->config->testcase->search['params']['lib']['values']     = $this->loadModel('caselib')->getLibraries();
 
-        $product = $this->loadModel('product')->getByID($productID ? $productID : key($products));
+        $product = $this->loadModel('product')->getByID($productID ? $productID : (int)key($products));
         if((isset($product->type) && $product->type == 'normal') || $this->app->tab == 'project')
         {
             unset($this->config->testcase->search['fields']['branch']);
diff --git a/module/testcase/test/lib/testcase.unittest.class.php b/module/testcase/test/lib/testcase.unittest.class.php
index e10817bbf8..fff2c32f4d 100755
--- a/module/testcase/test/lib/testcase.unittest.class.php
+++ b/module/testcase/test/lib/testcase.unittest.class.php
@@ -1475,23 +1475,24 @@ class testcaseTest
     }
 
     /**
-     * 测试获取获取 xmind 配置。
-     * Test get xmind config.
+     * 测试获取获取 mind 配置。
+     * Test get mind config.
      *
+     * @param  string $type
      * @param  array  $xmindConfig
      * @access public
      * @return array
      */
-    public function getXmindConfigTest(array $xmindConfig): array
+    public function getMindConfigTest(string $type, array $xmindConfig): array
     {
         global $tester;
-        $tester->dao->delete()->from(TABLE_CONFIG)->where('section')->eq('xmind')->andWhere('module')->eq('testcase')->andWhere('owner')->eq($tester->app->user->account)->exec();
+        $tester->dao->delete()->from(TABLE_CONFIG)->where('section')->eq($type)->andWhere('module')->eq('testcase')->andWhere('owner')->eq($tester->app->user->account)->exec();
 
         foreach($xmindConfig as $key => $value)
         {
             $data = new stdclass();
             $data->owner   = $tester->app->user->account;
-            $data->section = 'xmind';
+            $data->section = $type;
             $data->module  = 'testcase';
             $data->key     = $key;
             $data->value   = $value;
@@ -1499,7 +1500,7 @@ class testcaseTest
             $tester->dao->insert(TABLE_CONFIG)->data($data)->exec();
         }
 
-        $return = $this->objectModel->getXmindConfig();
+        $return = $this->objectModel->getMindConfig($type);
         if(dao::isError()) return dao::getError();
         return $return;
     }
diff --git a/module/testcase/test/model/getmindconfig.php b/module/testcase/test/model/getmindconfig.php
new file mode 100644
index 0000000000..9da49ca291
--- /dev/null
+++ b/module/testcase/test/model/getmindconfig.php
@@ -0,0 +1,51 @@
+#!/usr/bin/env php
+<?php
+include dirname(__FILE__, 5) . '/test/lib/init.php';
+include dirname(__FILE__, 2) . '/lib/testcase.unittest.class.php';
+
+zenData('user')->gen('1');
+
+su('admin');
+
+/**
+
+title=测试 testcaseModel->getMindConfig();
+cid=1
+pid=1
+
+*/
+
+$module = array('module' => 'MM');
+$scene  = array('scene' => 'SS');
+$case   = array('case' => 'CC');
+$pri    = array('pri' => 'PP');
+$group  = array('group' => 'GG');
+
+$config1  = array_merge($module, $scene, $case, $pri, $group);
+$config2  = array_merge($scene, $case, $pri, $group);
+$config3  = array_merge($module, $case, $pri, $group);
+$config4  = array_merge($module, $scene, $pri, $group);
+$config5  = array_merge($module, $scene, $case, $group);
+$config6  = array_merge($module, $scene, $case, $pri);
+$config7  = array_merge($module);
+$config8  = array_merge($scene);
+$config9  = array_merge($case);
+$config10 = array_merge($pri);
+$config11 = array_merge($group);
+$config12 = array();
+
+$type = array('xmind', 'freemind');
+
+$testcase = new testcaseTest();
+
+r($testcase->getMindConfigTest($type[0], $config1))  && p('module,scene,case,pri,group') && e('MM,SS,CC,PP,GG'); // 测试获取设置了 module scene case pri group 的配置
+r($testcase->getMindConfigTest($type[0], $config2))  && p('module,scene,case,pri,group') && e('M,SS,CC,PP,GG');  // 测试获取设置了 scene case pri group 的配置
+r($testcase->getMindConfigTest($type[0], $config3))  && p('module,scene,case,pri,group') && e('MM,S,CC,PP,GG');  // 测试获取设置了 module case pri group 的配置
+r($testcase->getMindConfigTest($type[0], $config4))  && p('module,scene,case,pri,group') && e('MM,SS,C,PP,GG');  // 测试获取设置了 module scene pri group 的配置
+r($testcase->getMindConfigTest($type[0], $config5))  && p('module,scene,case,pri,group') && e('MM,SS,CC,P,GG');  // 测试获取设置了 module scene case group 的配置
+r($testcase->getMindConfigTest($type[0], $config6))  && p('module,scene,case,pri,group') && e('MM,SS,CC,PP,G');  // 测试获取设置了 module scene case pri 的配置
+r($testcase->getMindConfigTest($type[1], $config7))  && p('module,scene,case,pri,group') && e('MM,S,C,P,G');     // 测试获取设置了 module 的配置
+r($testcase->getMindConfigTest($type[1], $config8))  && p('module,scene,case,pri,group') && e('M,SS,C,P,G');     // 测试获取设置了 scene 的配置
+r($testcase->getMindConfigTest($type[1], $config9))  && p('module,scene,case,pri,group') && e('M,S,CC,P,G');     // 测试获取设置了 case 的配置
+r($testcase->getMindConfigTest($type[1], $config10)) && p('module,scene,case,pri,group') && e('M,S,C,PP,G');     // 测试获取设置了 pri 的配置
+r($testcase->getMindConfigTest($type[1], $config11)) && p('module,scene,case,pri,group') && e('M,S,C,P,GG');     // 测试获取设置了 group 的配置
diff --git a/module/testcase/test/model/getxmindconfig.php b/module/testcase/test/model/getxmindconfig.php
deleted file mode 100644
index 6044557210..0000000000
--- a/module/testcase/test/model/getxmindconfig.php
+++ /dev/null
@@ -1,49 +0,0 @@
-#!/usr/bin/env php
-<?php
-include dirname(__FILE__, 5) . '/test/lib/init.php';
-include dirname(__FILE__, 2) . '/lib/testcase.unittest.class.php';
-
-zenData('user')->gen('1');
-
-su('admin');
-
-/**
-
-title=测试 testcaseModel->getXmindConfig();
-cid=1
-pid=1
-
-*/
-
-$module = array('module' => 'MM');
-$scene  = array('scene' => 'SS');
-$case   = array('case' => 'CC');
-$pri    = array('pri' => 'PP');
-$group  = array('group' => 'GG');
-
-$config1  = array_merge($module, $scene, $case, $pri, $group);
-$config2  = array_merge($scene, $case, $pri, $group);
-$config3  = array_merge($module, $case, $pri, $group);
-$config4  = array_merge($module, $scene, $pri, $group);
-$config5  = array_merge($module, $scene, $case, $group);
-$config6  = array_merge($module, $scene, $case, $pri);
-$config7  = array_merge($module);
-$config8  = array_merge($scene);
-$config9  = array_merge($case);
-$config10 = array_merge($pri);
-$config11 = array_merge($group);
-$config12 = array();
-
-$testcase = new testcaseTest();
-
-r($testcase->getXmindConfigTest($config1))  && p('module,scene,case,pri,group') && e('MM,SS,CC,PP,GG'); // 测试获取设置了 module scene case pri group 的配置
-r($testcase->getXmindConfigTest($config2))  && p('module,scene,case,pri,group') && e('M,SS,CC,PP,GG');  // 测试获取设置了 scene case pri group 的配置
-r($testcase->getXmindConfigTest($config3))  && p('module,scene,case,pri,group') && e('MM,S,CC,PP,GG');  // 测试获取设置了 module case pri group 的配置
-r($testcase->getXmindConfigTest($config4))  && p('module,scene,case,pri,group') && e('MM,SS,C,PP,GG');  // 测试获取设置了 module scene pri group 的配置
-r($testcase->getXmindConfigTest($config5))  && p('module,scene,case,pri,group') && e('MM,SS,CC,P,GG');  // 测试获取设置了 module scene case group 的配置
-r($testcase->getXmindConfigTest($config6))  && p('module,scene,case,pri,group') && e('MM,SS,CC,PP,G');  // 测试获取设置了 module scene case pri 的配置
-r($testcase->getXmindConfigTest($config7))  && p('module,scene,case,pri,group') && e('MM,S,C,P,G');     // 测试获取设置了 module 的配置
-r($testcase->getXmindConfigTest($config8))  && p('module,scene,case,pri,group') && e('M,SS,C,P,G');     // 测试获取设置了 scene 的配置
-r($testcase->getXmindConfigTest($config9))  && p('module,scene,case,pri,group') && e('M,S,CC,P,G');     // 测试获取设置了 case 的配置
-r($testcase->getXmindConfigTest($config10)) && p('module,scene,case,pri,group') && e('M,S,C,PP,G');     // 测试获取设置了 pri 的配置
-r($testcase->getXmindConfigTest($config11)) && p('module,scene,case,pri,group') && e('M,S,C,P,GG');     // 测试获取设置了 group 的配置
diff --git a/module/testcase/ui/header.html.php b/module/testcase/ui/header.html.php
index 3229501c6f..3322ef1bed 100644
--- a/module/testcase/ui/header.html.php
+++ b/module/testcase/ui/header.html.php
@@ -40,6 +40,7 @@ $canBrowseGroupCase  = hasPriv('testcase', 'groupcase');
 $canAutomation       = !$isExecutionApp && $canModify && hasPriv('testcase', 'automation') && !empty($productID) && $rawMethod != 'browseunits';
 $canExport           = !$isExecutionApp && hasPriv('testcase', 'export');
 $canExportTemplate   = !$isExecutionApp && hasPriv('testcase', 'exportTemplate');
+$canExportFreeMind   = !$isExecutionApp && hasPriv('testcase', 'exportFreeMind');
 $canExportXmind      = !$isExecutionApp && hasPriv('testcase', 'exportXmind');
 $canImport           = !$isExecutionApp && $canModify && hasPriv('testcase', 'import');
 $canImportFromLib    = !$isExecutionApp && $canModify && hasPriv('testcase', 'importFromLib');
@@ -210,6 +211,12 @@ if(!empty($productID))
         $exportItems[] = array('text' => $lang->testcase->xmindExport, 'url' => $link, 'data-toggle' => 'modal', 'data-app' => $app->tab);
     }
 
+    if($canExportFreeMind)
+    {
+        $link = $this->createLink('testcase', 'exportFreeMind', "productID=$productID&moduleID=$moduleID&branch=$branch");
+        $exportItems[] = array('text' => $lang->testcase->exportFreeMind, 'url' => $link, 'data-toggle' => 'modal', 'data-app' => $app->tab);
+    }
+
     if($canModify)
     {
         if($canImport)
diff --git a/module/testcase/zen.php b/module/testcase/zen.php
index 39aeaa23d1..cb82b44f10 100755
--- a/module/testcase/zen.php
+++ b/module/testcase/zen.php
@@ -2002,13 +2002,13 @@ class testcaseZen extends testcase
     }
 
     /**
-     * 检查 xmind 配置。
-     * Build xmind config.
+     * 检查 mind 配置。
+     * Build mind config.
      *
      * @access protected
      * @return array|bool
      */
-    protected function buildXmindConfig(): array|bool
+    protected function buildMindConfig(string $type): array|bool
     {
         $configList = array();
 
@@ -2021,6 +2021,9 @@ class testcaseZen extends testcase
         $case = $this->post->case;
         if(!empty($case)) $configList[] = array('key' => 'case', 'value' => $case);
 
+        $precondition = $this->post->precondition;
+        if(!empty($precondition)) $configList[] = array('key' => 'precondition', 'value' => $precondition);
+
         $pri = $this->post->pri;
         if(!empty($pri)) $configList[] = array('key' => 'pri', 'value' => $pri);
 
@@ -2032,17 +2035,18 @@ class testcaseZen extends testcase
         {
             $key   = $config['key'];
             $value = $config['value'];
-            if(!preg_match("/^[a-zA-Z]{1,10}$/", $value)) $configErrors[$key][] = sprintf($this->lang->testcase->errorXmindConfig, $this->lang->testcase->{$key});
+            if(!preg_match("/^[a-zA-Z]{1,10}$/", $value)) $configErrors[$key][] = sprintf($this->lang->testcase->errorMindConfig, $this->lang->testcase->{$key});
         }
 
         if(!empty($configErrors)) dao::$errors = $configErrors;
 
         $map = array();
-        $map[strtolower($module)] = true;
-        $map[strtolower($scene)]  = true;
-        $map[strtolower($case)]   = true;
-        $map[strtolower($pri)]    = true;
-        $map[strtolower($group)]  = true;
+        $map[strtolower($module)]       = true;
+        $map[strtolower($scene)]        = true;
+        $map[strtolower($case)]         = true;
+        $map[strtolower($precondition)] = true;
+        $map[strtolower($pri)]          = true;
+        $map[strtolower($group)]        = true;
 
         if(count($map) < 5 && count($map) > 0) dao::$errors['message'][] = '特征字符串不能重复';
         return !dao::isError() ? $configList : false;
@@ -2614,7 +2618,7 @@ class testcaseZen extends testcase
     }
 
     /**
-     * 获取 xmind 导出的数据。
+     * 获取 mind 导出的数据。
      * Get export data.
      *
      * @param  int    $productID
@@ -2623,13 +2627,13 @@ class testcaseZen extends testcase
      * @access protected
      * @return array
      */
-    protected function getXmindExport(int $productID, int $moduleID, string $branch): array
+    protected function getMindExport(string $type, int $productID, int $moduleID, string $branch): array
     {
         $caseList   = $this->testcase->getCaseListForXmindExport($productID, $moduleID);
         $stepList   = $this->testcase->getStepByProductAndModule($productID, $moduleID);
         $moduleList = $this->getModuleListForXmindExport($productID, $moduleID, $branch);
         $sceneInfo  = $this->testcase->getSceneByProductAndModule($productID, $moduleID);
-        $config     = $this->testcase->getXmindConfig();
+        $config     = $this->testcase->getMindConfig($type);
 
         return array('caseList' => $caseList, 'stepList' => $stepList, 'sceneMaps' => $sceneInfo['sceneMaps'], 'topScenes' => $sceneInfo['topScenes'], 'moduleList' => $moduleList, 'config' => $config);
     }