diff --git a/module/bug/model.php b/module/bug/model.php
index 81701faa5c..88299ffae0 100644
--- a/module/bug/model.php
+++ b/module/bug/model.php
@@ -181,6 +181,7 @@ class bugModel extends model
     {
         $this->loadModel('action');
         $branch     = (int)$branch;
+        $productID  = (int)$productID;
         $now        = helper::now();
         $actions    = array();
         $data       = fixer::input('post')->get();
diff --git a/module/caselib/model.php b/module/caselib/model.php
index 4ae71be856..1625001bec 100644
--- a/module/caselib/model.php
+++ b/module/caselib/model.php
@@ -579,6 +579,7 @@ class caselibModel extends model
         $this->loadModel('action');
 
         $now      = helper::now();
+        $libID    = (int)$libID;
         $cases    = fixer::input('post')->get();
         $batchNum = count(reset($cases));
 
diff --git a/module/story/model.php b/module/story/model.php
index f73b9fc896..e792d50775 100644
--- a/module/story/model.php
+++ b/module/story/model.php
@@ -263,10 +263,11 @@ class storyModel extends model
     public function batchCreate($productID = 0, $branch = 0)
     {
         $this->loadModel('action');
-        $branch   = (int)$branch;
-        $now      = helper::now();
-        $mails    = array();
-        $stories  = fixer::input('post')->get();
+        $branch    = (int)$branch;
+        $productID = (int)$productID;
+        $now       = helper::now();
+        $mails     = array();
+        $stories   = fixer::input('post')->get();
 
         $result  = $this->loadModel('common')->removeDuplicate('story', $stories, "product={$productID}");
         $stories = $result['data'];
diff --git a/module/task/model.php b/module/task/model.php
index 37ade8155b..83516f4602 100644
--- a/module/task/model.php
+++ b/module/task/model.php
@@ -27,11 +27,12 @@ class taskModel extends model
             dao::$errors[] = $this->lang->task->error->recordMinus;
             return false;
         }
+        $projectID  = (int)$projectID;
         $taskIdList = array();
         $taskFiles  = array();
         $this->loadModel('file');
         $task = fixer::input('post')
-            ->setDefault('project', (int)$projectID)
+            ->setDefault('project', $projectID)
             ->setDefault('estimate,left,story', 0)
             ->setDefault('status', 'wait')
             ->setIF($this->post->estimate != false, 'left', $this->post->estimate)
@@ -65,7 +66,7 @@ class taskModel extends model
             /* Check duplicate task. */
             if($task->type != 'affair')
             {
-                $result = $this->loadModel('common')->removeDuplicate('task', $task, "project=$projectID and story=" . (int)$task->story);
+                $result = $this->loadModel('common')->removeDuplicate('task', $task, "project={$projectID} and story=" . (int)$task->story);
                 if($result['stop'])
                 {
                     $taskIdList[$assignedTo] = array('status' => 'exists', 'id' => $result['duplicate']);
diff --git a/module/testcase/model.php b/module/testcase/model.php
index a34f579003..bc2c8308db 100644
--- a/module/testcase/model.php
+++ b/module/testcase/model.php
@@ -242,6 +242,7 @@ class testcaseModel extends model
     function batchCreate($productID, $branch, $storyID)
     {
         $branch      = (int)$branch;
+        $productID   = (int)$productID;
         $now         = helper::now();
         $cases       = fixer::input('post')->get();