diff --git a/db/update2.2.sql b/db/update2.2.sql
index fe4520051a..0c7a22c31f 100644
--- a/db/update2.2.sql
+++ b/db/update2.2.sql
@@ -3,3 +3,6 @@ ALTER TABLE `zt_bug` ADD `activatedCount` SMALLINT( 6 ) NOT NULL AFTER `status`
 ALTER TABLE `zt_bug` CHANGE `status` `status` VARCHAR( 20 ) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL ;
 ALTER TABLE `zt_bug` ADD `confirm` BOOL NOT NULL DEFAULT '0' AFTER `activatedCount` ;
 ALTER TABLE `zt_bug` ADD `confirmedBy` VARCHAR( 30 ) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL AFTER `closedDate` , ADD `confirmedDate` DATETIME NOT NULL AFTER `confirmedBy` ;
+
+ -- 2011-10-16 add precondition field in zt_case
+ALTER TABLE `zt_case` ADD `precondition` TEXT CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL AFTER `title`;
diff --git a/module/testcase/config.php b/module/testcase/config.php
index a6ea67c830..ed039391a0 100644
--- a/module/testcase/config.php
+++ b/module/testcase/config.php
@@ -33,7 +33,7 @@ $config->testcase->edit->requiredFields   = 'title,type';
 
 $config->testcase->exportFields = '
     id, product, module, story,
-    title, steps, keywords,
+    title, precondition, steps, keywords,
     pri, type, stage, status, frequency,
     openedBy, openedDate, lastEditedBy, lastEditedDate, 
     version,linkCase';
diff --git a/module/testcase/control.php b/module/testcase/control.php
index 1751a889ce..5418b71057 100644
--- a/module/testcase/control.php
+++ b/module/testcase/control.php
@@ -178,25 +178,27 @@ class testcase extends control
         $this->testcase->setMenu($this->products, $productID);
 
         /* Init vars. */
-        $type     = 'feature';
-        $stage    = '';
-        $pri      = 0;
-        $storyID  = 0;
-        $title    = '';
-        $keywords = '';
-        $steps    = array();
+        $type         = 'feature';
+        $stage        = '';
+        $pri          = 0;
+        $storyID      = 0;
+        $title        = '';
+        $precondition = '';
+        $keywords     = '';
+        $steps        = array();
 
         if($testcaseID > 0)
         {
-            $testcase  = $this->testcase->getById($testcaseID);
-            $productID = $testcase->product;
-            $type      = $testcase->type ? $testcase->type : 'feature';
-            $stage     = $testcase->stage;
-            $pri       = $testcase->pri;
-            $storyID   = $testcase->story;
-            $title     = $testcase->title;
-            $keywords  = $testcase->keywords;
-            $steps     = $testcase->steps;
+            $testcase     = $this->testcase->getById($testcaseID);
+            $productID    = $testcase->product;
+            $type         = $testcase->type ? $testcase->type : 'feature';
+            $stage        = $testcase->stage;
+            $pri          = $testcase->pri;
+            $storyID      = $testcase->story;
+            $title        = $testcase->title;
+            $precondition = $testcase->precondition;
+            $keywords     = $testcase->keywords;
+            $steps        = $testcase->steps;
         }
                
         /* Parse the extras. */
@@ -243,6 +245,7 @@ class testcase extends control
         $this->view->pri              = $pri;
         $this->view->storyID          = $storyID;
         $this->view->title            = $title;
+        $this->view->precondition     = $precondition;
         $this->view->keywords         = $keywords;
         $this->view->steps            = $steps;
 
diff --git a/module/testcase/lang/zh-cn.php b/module/testcase/lang/zh-cn.php
index b14392e409..426b235e95 100644
--- a/module/testcase/lang/zh-cn.php
+++ b/module/testcase/lang/zh-cn.php
@@ -15,6 +15,7 @@ $lang->testcase->module         = '所属模块';
 $lang->testcase->story          = '相关需求';
 $lang->testcase->storyVersion   = '需求版本';
 $lang->testcase->title          = '用例标题';
+$lang->testcase->precondition   = '前置条件';
 $lang->testcase->pri            = '优先级';
 $lang->testcase->type           = '用例类型';
 $lang->testcase->status         = '用例状态';
diff --git a/module/testcase/view/create.html.php b/module/testcase/view/create.html.php
index d5e8898379..f89c0c75f2 100644
--- a/module/testcase/view/create.html.php
+++ b/module/testcase/view/create.html.php
@@ -41,6 +41,10 @@
       <th class='rowhead'><?php echo $lang->testcase->title;?></th>
       <td><?php echo html::input('title', $title, "class='text-1'");?></td>
     </tr>  
+    <tr>
+      <th class='rowhead'><?php echo $lang->testcase->precondition;?></th>
+      <td><?php echo html::textarea('precondition', $precondition, " rows='4' class='w-p100'");?></td>
+    </tr>  
     <tr>
       <th class='rowhead'><?php echo $lang->testcase->steps;?></th>
       <td>
diff --git a/module/testcase/view/edit.html.php b/module/testcase/view/edit.html.php
index 6f84d9f6d4..8f655b6b23 100644
--- a/module/testcase/view/edit.html.php
+++ b/module/testcase/view/edit.html.php
@@ -24,6 +24,10 @@
   <tr valign='top'>
     <td>
       <table class='table-1'>
+        <fieldset>
+          <legend><?php echo $lang->testcase->precondition;?></legend>
+          <?php echo html::textarea('precondition', $case->precondition, "rows='4' class='w-p100'");?>
+        </fieldset>
         <tr class='colhead'>
           <th class='w-30px'><?php echo $lang->testcase->stepID;?></th>
           <th><?php echo $lang->testcase->stepDesc;?></th>
diff --git a/module/testtask/view/results.html.php b/module/testtask/view/results.html.php
index 250085c1c3..3d7801aa8a 100644
--- a/module/testtask/view/results.html.php
+++ b/module/testtask/view/results.html.php
@@ -12,6 +12,10 @@
 ?>
 <?php include '../../common/view/header.lite.html.php';?>
 <h1>CASE#<?php echo $run->case->id. $lang->colon . $run->case->title;?></h1>
+<fieldset>
+  <legend><?php echo $lang->testcase->precondition;?></legend>
+  <?php echo $run->case->precondition;?>
+</fieldset>
 <?php foreach($results as $result):?>
 <table class='table-1'>
 <caption>RESULT#<?php echo $result->id . ' ' . $result->date . " <span class='$result->caseResult'>" . $lang->testcase->resultList[$result->caseResult] . '</span>';?></caption>
diff --git a/module/testtask/view/runcase.html.php b/module/testtask/view/runcase.html.php
index 7cf309c1b2..f47ca97a40 100644
--- a/module/testtask/view/runcase.html.php
+++ b/module/testtask/view/runcase.html.php
@@ -14,6 +14,10 @@
 <form method='post'>
   <table class='table-1'>
     <caption class='caption-tl'>CASE#<?php echo $run->case->id. $lang->colon . $run->case->title;?></caption>
+    <fieldset>
+      <legend><?php echo $lang->testcase->precondition;?></legend>
+      <?php echo $run->case->precondition;?>
+    </fieldset>
     <tr class='colhead'>
       <th class='w-30px'><?php echo $lang->testcase->stepID;?></th>
       <th class='w-p40'><?php  echo $lang->testcase->stepDesc;?></th>