diff --git a/module/bug/config.php b/module/bug/config.php
index 0818cbe1c4..7b21db695a 100644
--- a/module/bug/config.php
+++ b/module/bug/config.php
@@ -43,7 +43,7 @@ $config->bug->list->customBatchEditFields   = 'type,severity,pri,productplan,ass
 $config->bug->custom = new stdclass();
 $config->bug->custom->createFields      = $config->bug->list->customCreateFields;
 $config->bug->custom->batchCreateFields = 'module,project,steps,type,severity,os,browser';
-$config->bug->custom->batchEditFields   = 'type,severity,pri,assignedTo,status,resolvedBy,resolution';
+$config->bug->custom->batchEditFields   = 'type,severity,pri,assignedTo,deadline,status,resolvedBy,resolution';
 
 $config->bug->editor = new stdclass();
 $config->bug->editor->create     = array('id' => 'steps', 'tools' => 'bugTools');
diff --git a/module/bug/view/edit.html.php b/module/bug/view/edit.html.php
index 7584d014ab..95441cef29 100644
--- a/module/bug/view/edit.html.php
+++ b/module/bug/view/edit.html.php
@@ -201,10 +201,6 @@ js::set('oldResolvedBuild'       , $bug->resolvedBuild);
               </div>
             </td>
           </tr>
-          <tr>
-            <th><?php echo $lang->bug->deadline;?></th>
-            <td><?php echo html::input('deadline', $bug->deadline, "class='form-control form-date'");?></td>
-          </tr>
           <tr>
             <th><?php echo $lang->bug->resolvedBy;?></th>
             <td><?php echo html::select('resolvedBy', $users, $bug->resolvedBy, "class='form-control chosen'");?></td>
diff --git a/module/upgrade/model.php b/module/upgrade/model.php
index 2d1ebd53de..fffc2edd2e 100644
--- a/module/upgrade/model.php
+++ b/module/upgrade/model.php
@@ -166,6 +166,8 @@ class upgradeModel extends model
                 $this->adjustPriv9_0();
             case '9_0':
                 $this->fixProjectProductData();
+            case '9_0_1':
+                $this->addBugDeadlineToCustomFields();
         }
 
         $this->deletePatch();
@@ -1587,4 +1589,31 @@ class upgradeModel extends model
         if(strpos($fromVersion, 'pro') === false ? $fromVersion < '8.3' : $fromVersion < 'pro5.4') $needProcess['updateFile'] = true;
 		return $needProcess;
     }
+
+    public function addBugDeadlineToCustomFields()
+    {
+        $createFieldsItems = $this->dao->select('id, value')->from(TABLE_CONFIG)
+            ->where('module')->eq('bug')
+            ->andWhere('section')->eq('custom')
+            ->andWhere('`key`')->eq('createFields')
+            ->fetchAll();
+        $batchEditFieldsItems = $this->dao->select('id, value')->from(TABLE_CONFIG)
+            ->where('module')->eq('bug')
+            ->andWhere('section')->eq('custom')
+            ->andWhere('`key`')->eq('batchEditFields')
+            ->fetchAll();
+
+        foreach($createFieldsItems as $createFieldsItem)
+        {
+            $value = empty($createFieldsItem->value) ? 'deadline' : $createFieldsItem->value . ",deadline";
+            $this->dao->update(TABLE_CONFIG)->set('value')->eq($value)->where('id')->eq($createFieldsItem->id)->exec();
+        }
+        foreach($batchEditFieldsItems as $batchEditFieldsItem)
+        {
+            $value = empty($batchEditFieldsItem->value) ? 'deadline' : $batchEditFieldsItem->value . ",deadline";
+            $this->dao->update(TABLE_CONFIG)->set('value')->eq($value)->where('id')->eq($batchEditFieldsItem->id)->exec();
+        }
+
+        return true;
+    }
 }