diff --git a/module/bug/view/view.html.php b/module/bug/view/view.html.php
index 7f11fcfa4f..7cc63b0fa8 100644
--- a/module/bug/view/view.html.php
+++ b/module/bug/view/view.html.php
@@ -251,7 +251,7 @@
                   <?php if($browserList):?>
                   <p class='browserContent'>
                     <?php foreach($browserList as $browser):?>
-                    <?php if($os) echo "<span class='label label-outline'>" .  zget($lang->bug->browserList, $browser) . "</span>";?>
+                    <?php if($browser) echo "<span class='label label-outline'>" .  zget($lang->bug->browserList, $browser) . "</span>";?>
                     <?php endforeach;?>
                   </p>
                   <?php endif;?>
diff --git a/module/common/model.php b/module/common/model.php
index 0e10011cc8..0d9ffa989f 100644
--- a/module/common/model.php
+++ b/module/common/model.php
@@ -3047,6 +3047,14 @@ EOD;
             }
             if($productsStatus[$object->product] == 'closed') return false;
         }
+        elseif(!empty($object->product) and is_string($object->product) and empty($config->CRProduct))
+        {
+            $products      = array(0) + explode(',', $object->product);
+            $products      = $app->control->loadModel('product')->getByIdList($products);
+            $productStatus = array();
+            foreach($products as $product) $productStatus[$product->status] = 1;
+            if(!empty($productStatus['closed']) and count($productStatus) == 1) return false;
+        }
 
         /* Check the execution is closed. */
         $productModuleList = array('story', 'bug', 'testtask');
diff --git a/module/execution/control.php b/module/execution/control.php
index 0c473b3597..91312d698f 100644
--- a/module/execution/control.php
+++ b/module/execution/control.php
@@ -1703,6 +1703,8 @@ class execution extends control
             global $lang;
             $lang->executionCommon = $lang->execution->stage;
             include $this->app->getModulePath('', 'execution') . 'lang/' . $this->app->getClientLang() . '.php';
+
+            $this->config->execution->create->requiredFields .= ',products0';
         }
 
         $this->app->loadLang('program');
diff --git a/module/execution/model.php b/module/execution/model.php
index df16b218f8..2b0bab014f 100755
--- a/module/execution/model.php
+++ b/module/execution/model.php
@@ -386,6 +386,8 @@ class executionModel extends model
 
         if(($project->model == 'waterfall' or $project->model == 'waterfallplus') and isset($this->config->setPercent) and $this->config->setPercent == 1)
         {
+            $_POST['products'] = array_filter($_POST['products']);
+            if(empty($_POST['products'])) dao::$errors['products0'] = $this->lang->project->errorNoProducts;
             $this->checkWorkload('create', $_POST['percent'], $project);
             if(dao::isError()) return false;
         }
@@ -1883,7 +1885,7 @@ class executionModel extends model
             ->page($pager, 't1.id')
             ->fetchAll('id');
 
-        if(empty($productID) and !empty($executions)) $projectProductIdList = $this->dao->select('project, product')->from(TABLE_PROJECTPRODUCT)->where('project')->in(array_keys($executions))->fetchPairs();
+        if(empty($productID) and !empty($executions)) $projectProductIdList = $this->dao->select('project, GROUP_CONCAT(product) as product')->from(TABLE_PROJECTPRODUCT)->where('project')->in(array_keys($executions))->groupBy('project')->fetchPairs();
 
         $hours = $this->loadModel('project')->computerProgress($executions);
         $burns = $this->getBurnData($executions);
diff --git a/module/project/model.php b/module/project/model.php
index ce5b643326..5ed1730316 100644
--- a/module/project/model.php
+++ b/module/project/model.php
@@ -1521,6 +1521,7 @@ class projectModel extends model
             ->setDefault('team', $this->post->name)
             ->setDefault('lastEditedBy', $this->app->user->account)
             ->setDefault('lastEditedDate', helper::now())
+            ->setDefault('days', '0')
             ->setIF($this->post->delta == 999, 'end', LONG_TIME)
             ->setIF($this->post->delta == 999, 'days', 0)
             ->setIF($this->post->begin == '0000-00-00', 'begin', '')