diff --git a/module/bug/zen.php b/module/bug/zen.php
index a17c11992e..0767785f41 100644
--- a/module/bug/zen.php
+++ b/module/bug/zen.php
@@ -1082,7 +1082,7 @@ class bugZen extends bug
             if($bug->toTask) $taskIdList[$bug->toTask] = $bug->toTask;
         }
 
-        $showModule = !empty($this->config->datatable->bugBrowse->showModule) ? $this->config->datatable->bugBrowse->showModule : '';
+        $showModule = !empty($this->config->bug->browse->showModule) ? $this->config->bug->browse->showModule : '';
 
         /* Set view. */
         $this->view->title           = $product->name . $this->lang->colon . $this->lang->bug->common;
diff --git a/module/caselib/control.php b/module/caselib/control.php
index 6d2ef3a19d..b2f91ecd2c 100644
--- a/module/caselib/control.php
+++ b/module/caselib/control.php
@@ -186,7 +186,7 @@ class caselib extends control
 
         $this->loadModel('datatable');
         $this->loadModel('tree');
-        $showModule = !empty($this->config->datatable->caselibBrowse->showModule) ? $this->config->datatable->caselibBrowse->showModule : '';
+        $showModule = !empty($this->config->caselib->browse->showModule) ? $this->config->caselib->browse->showModule : '';
         $this->view->modulePairs = $showModule ? $this->tree->getModulePairs($libID, 'caselib', $showModule) : array();
 
         $this->view->title      = $this->lang->caselib->common . $this->lang->colon . $libraries[$libID];
diff --git a/module/datatable/control.php b/module/datatable/control.php
index 5408b7af25..77617d7190 100644
--- a/module/datatable/control.php
+++ b/module/datatable/control.php
@@ -59,11 +59,10 @@ class datatable extends control
             $account = $this->app->user->account;
             if($account == 'guest') return $this->send(array('result' => 'fail', 'target' => $target, 'message' => 'guest.'));
 
-            $name = 'datatable.' . $this->post->target . '.' . $this->post->name;
-            $this->loadModel('setting')->setItem($account . '.' . $name, $this->post->value);
+            $this->loadModel('setting')->setItem($account . '.' . $this->post->currentModule . '.' . $this->post->currentMethod . '.showModule', $this->post->value);
             if($this->post->allModule !== false) $this->setting->setItem("$account.execution.task.allModule", $this->post->allModule);
 
-            if(dao::isError()) return $this->send(array('result' => 'fail', 'message' => 'dao error.'));
+            if(dao::isError()) return $this->send(array('result' => 'fail', 'message' => dao::getError()));
             return $this->send(array('result' => 'success', 'closeModal' => true, 'load' => true));
         }
     }
diff --git a/module/execution/control.php b/module/execution/control.php
index b97159e19f..3fea90306d 100644
--- a/module/execution/control.php
+++ b/module/execution/control.php
@@ -874,7 +874,7 @@ class execution extends control
         $productPairs = $this->loadModel('product')->getProductPairsByProject($executionID);
 
         if(empty($productID)) $productID = (int)key($productPairs);
-        $showModule  = !empty($this->config->datatable->executionStory->showModule) ? $this->config->datatable->executionStory->showModule : '';
+        $showModule  = !empty($this->config->execution->story->showModule) ? $this->config->execution->story->showModule : '';
         $modulePairs = $showModule ? $this->tree->getModulePairs($type == 'byproduct' ? $param : 0, 'story', $showModule) : array();
 
         $createModuleLink = $storyType == 'story' ? 'createStoryLink' : 'createRequirementLink';
@@ -1061,7 +1061,7 @@ class execution extends control
         }
         $tree = $moduleID ? $this->tree->getByID($moduleID) : '';
 
-        $showModule = !empty($this->config->datatable->executionBug->showModule) ? $this->config->datatable->executionBug->showModule : '';
+        $showModule = !empty($this->config->execution->bug->showModule) ? $this->config->execution->bug->showModule : '';
 
         /* Assign. */
         $this->view->title           = $execution->name . $this->lang->colon . $this->lang->execution->bug;
diff --git a/module/product/control.php b/module/product/control.php
index eeb6ac55e7..aacbee2847 100755
--- a/module/product/control.php
+++ b/module/product/control.php
@@ -132,7 +132,7 @@ class product extends control
         $this->loadModel('tree');
         $isProjectStory = $this->app->rawModule == 'projectstory';
         $cookieOrderBy  = zget($this->cookie, 'productStoryOrder', 'id_desc');
-        $showModule     = !empty($this->config->datatable->productBrowse->showModule) ? $this->config->datatable->productBrowse->showModule : ''; //config->datatable->productBrowse may be undefined.
+        $showModule     = !empty($this->config->product->browse->showModule) ? $this->config->product->browse->showModule : '';
 
         /* Load pager. */
         $this->app->loadClass('pager', true);
diff --git a/module/project/control.php b/module/project/control.php
index 87a1127561..5ffd96e1c6 100644
--- a/module/project/control.php
+++ b/module/project/control.php
@@ -936,10 +936,9 @@ class project extends control
             if($bug->task)   $taskIdList[$bug->task]   = $bug->task;
             if($bug->toTask) $taskIdList[$bug->toTask] = $bug->toTask;
         }
-        $storyList = $storyIdList ? $this->loadModel('story')->getByList($storyIdList) : array();
-        $taskList  = $taskIdList  ? $this->loadModel('task')->getByIdList($taskIdList)   : array();
-
-        $showModule  = !empty($this->config->datatable->projectBug->showModule) ? $this->config->datatable->projectBug->showModule : '';
+        $storyList  = $storyIdList ? $this->loadModel('story')->getByList($storyIdList) : array();
+        $taskList   = $taskIdList  ? $this->loadModel('task')->getByIdList($taskIdList)   : array();
+        $showModule = !empty($this->config->project->bug->showModule) ? $this->config->project->bug->showModule : '';
 
         /* Assign. */
         $this->view->title           = $title;
diff --git a/module/testcase/control.php b/module/testcase/control.php
index 3acc854fa4..0d82227415 100644
--- a/module/testcase/control.php
+++ b/module/testcase/control.php
@@ -217,7 +217,7 @@ class testcase extends control
         $searchProducts = $this->product->getPairs('', 0, '', 'all');
         $this->testcase->buildSearchForm($productID, $searchProducts, $queryID, $actionURL, $projectID);
 
-        $showModule = !empty($this->config->datatable->testcaseBrowse->showModule) ? $this->config->datatable->testcaseBrowse->showModule : '';
+        $showModule = !empty($this->config->testcase->browse->showModule) ? $this->config->testcase->browse->showModule : '';
 
         /* Get module tree.*/
         if($projectID and empty($productID))