diff --git a/module/productplan/control.php b/module/productplan/control.php
index 4924845a24..1774a804f4 100644
--- a/module/productplan/control.php
+++ b/module/productplan/control.php
@@ -161,7 +161,7 @@ class productplan extends control
             }
 
             $this->loadModel('score')->create('ajax', 'batchOther');
-            die(js::locate(inlink('browse', "productID=$productID&branch=$branch"), 'parent'));
+            die(js::locate($this->session->productPlanList, 'parent'));
         }
 
         $planIDList = $this->post->planIDList ? $this->post->planIDList : die(js::locate($this->session->productPlanList, 'parent'));
diff --git a/module/productplan/js/batchedit.js b/module/productplan/js/batchedit.js
index 5b8cf09d81..0d78be81a5 100644
--- a/module/productplan/js/batchedit.js
+++ b/module/productplan/js/batchedit.js
@@ -9,8 +9,8 @@ function changeDate(planID)
 {
     if($("#future"+planID).prop('checked'))
     {
-        $("input[name='begin[" + planID + "]']").attr('disabled', 'disabled');
-        $("input[name='end[" + planID + "]']").attr('disabled', 'disabled');
+        $("input[name='begin[" + planID + "]']").attr('disabled', 'disabled').val('');
+        $("input[name='end[" + planID + "]']").attr('disabled', 'disabled').val('');
     }
     else
     {
diff --git a/module/productplan/js/edit.js b/module/productplan/js/edit.js
index 8aa184ecee..5f23f3e678 100644
--- a/module/productplan/js/edit.js
+++ b/module/productplan/js/edit.js
@@ -92,7 +92,7 @@ $('#future').on('change', function()
 {
     if($(this).prop('checked'))
     {
-        $('#begin').attr('disabled', 'disabled');
+        $('#begin').attr('disabled', 'disabled').val('');
         $('#end').parents('tr').hide();
     }
     else
diff --git a/module/productplan/view/batchedit.html.php b/module/productplan/view/batchedit.html.php
index eab73ee039..c39b3cdedd 100644
--- a/module/productplan/view/batchedit.html.php
+++ b/module/productplan/view/batchedit.html.php
@@ -38,7 +38,7 @@
       </thead>
       <tbody>
         <?php foreach($plans as $plan):?>
-        <?php $isChecked = ($plan->begin == '2030-01-01' or $plan->end == '2030-01-01') ? 'checked="checked"' : '';?>
+        <?php $isChecked = ($plan->begin == $this->config->productplan->future and $plan->end == $this->config->productplan->future) ? 'checked="checked"' : '';?>
         <tr>
           <td class='text-center'><?php echo $plan->id . html::hidden("id[$plan->id]", $plan->id);?></td>
           <?php if($product->type != 'normal'):?>
@@ -53,10 +53,10 @@
           <?php else:?>
           <td><?php echo html::select("status[$plan->id]", array_slice($lang->productplan->statusList,($plan->status == 'wait' ? 0 : 1)), $plan->status, "class='form-control chosen' disabled onchange='setPlanStatus($plan->id, this.value, $plan->parent)'");?></td>
           <?php endif;?>
-          <?php $disabled = (($plan->begin == '2030-01-01' or $plan->end == '2030-01-01') and $plan->status == 'wait') ? 'disabled="disabled"' : '';?>
-          <?php if($plan->parent == -1 and ($plan->begin == '2030-01-01' or $plan->end == '2030-01-01')) $disabled = 'disabled="disabled"';?>
-          <?php if($plan->begin == '2030-01-01') $plan->begin = '';?>
-          <?php if($plan->end == '2030-01-01') $plan->end = '';?>
+          <?php $disabled = (($plan->begin == $this->config->productplan->future and $plan->end == $this->config->productplan->future) and $plan->status == 'wait') ? 'disabled="disabled"' : '';?>
+          <?php if($plan->parent == -1 and ($plan->begin == $this->config->productplan->future or $plan->end == $this->config->productplan->future)) $disabled = 'disabled="disabled"';?>
+          <?php if($plan->begin == $this->config->productplan->future) $plan->begin = '';?>
+          <?php if($plan->end == $this->config->productplan->future) $plan->end = '';?>
           <td><?php echo html::input("begin[$plan->id]", $plan->begin, "class='form-control form-date' $disabled");?></td>
           <td><?php echo html::input("end[$plan->id]", $plan->end, "class='form-control form-date' $disabled");?></td>
           <?php $hidden = ($plan->status != 'wait' and $plan->parent != -1) ? 'hidden' : '';?>
diff --git a/module/productplan/view/browsebylist.html.php b/module/productplan/view/browsebylist.html.php
index e5566c63bd..026891af4b 100644
--- a/module/productplan/view/browsebylist.html.php
+++ b/module/productplan/view/browsebylist.html.php
@@ -134,8 +134,8 @@
         <?php if($this->session->currentProductType != 'normal'):?>
         <td class='c-branch' title='<?php echo $branchOption[$plan->branch];?>'><?php if($plan->parent != '-1') echo $branchOption[$plan->branch];?></td>
         <?php endif;?>
-        <td><?php echo $plan->begin == '2030-01-01' ? $lang->productplan->future : $plan->begin;?></td>
-        <td><?php echo $plan->end == '2030-01-01' ? $lang->productplan->future : $plan->end;?></td>
+        <td><?php echo $plan->begin == $this->config->productplan->future ? $lang->productplan->future : $plan->begin;?></td>
+        <td><?php echo $plan->end == $this->config->productplan->future ? $lang->productplan->future : $plan->end;?></td>
         <td class='text-center'><?php echo $plan->stories;?></td>
         <td class='text-center'><?php echo $plan->bugs;?></td>
         <td class='text-center'><?php echo $plan->hour;?></td>
@@ -152,7 +152,7 @@
               $attr       = "target='hiddenwin'";
               $isOnlyBody = false;
               $class      = '';
-              if($plan->begin == '2030-01-01' or $plan->end == '2030-01-01')
+              if($plan->begin == $this->config->productplan->future or $plan->end == $this->config->productplan->future)
               {
                   $class      = 'iframe';
                   $attr       = "data-id='{$plan->id}' data-width='70%'";
diff --git a/module/productplan/view/edit.html.php b/module/productplan/view/edit.html.php
index 580878bf26..049323c8cf 100644
--- a/module/productplan/view/edit.html.php
+++ b/module/productplan/view/edit.html.php
@@ -48,9 +48,9 @@
           </tr>
           <tr>
             <?php $hidden  = $plan->status != 'wait' ? 'hidden' : '';?>
-            <?php $checked = $plan->begin  == '2030-01-01' || $plan->end == '2030-01-01' ? "checked='checked'" : '';?>
+            <?php $checked = $plan->begin  == $this->config->productplan->future and $plan->end == $this->config->productplan->future ? "checked='checked'" : '';?>
             <th><?php echo $lang->productplan->begin;?></th>
-            <td><?php echo html::input('begin', $plan->begin != '2030-01-01' ? formatTime($plan->begin) : '', "class='form-control form-date'");?></td>
+            <td><?php echo html::input('begin', $plan->begin != $this->config->productplan->future ? formatTime($plan->begin) : '', "class='form-control form-date'");?></td>
             <td>
               <?php if($plan->status == 'wait'):?>
               <div class='checkbox-primary <?php echo $hidden;?>' id='checkBox'>
@@ -62,8 +62,8 @@
           </tr>
           <tr>
             <th><?php echo $lang->productplan->end;?></th>
-            <td><?php echo html::input('end', $plan->end != '2030-01-01' ? formatTime($plan->end) : '', "class='form-control form-date'");?></td>
-            <?php $deltaValue = $plan->end == '2030-01-01' ? 0 : (strtotime($plan->end) - strtotime($plan->begin)) / 3600 / 24 + 1;?>
+            <td><?php echo html::input('end', $plan->end != $this->config->productplan->future ? formatTime($plan->end) : '', "class='form-control form-date'");?></td>
+            <?php $deltaValue = $plan->end == $this->config->productplan->future ? 0 : (strtotime($plan->end) - strtotime($plan->begin)) / 3600 / 24 + 1;?>
             <td colspan='2'><?php echo html::radio('delta', $lang->productplan->endList , $deltaValue, "onclick='computeEndDate(this.value)'");?></td>
           </tr>
           <?php $this->printExtendFields($plan, 'table', 'columns=3');?>
diff --git a/module/productplan/view/start.html.php b/module/productplan/view/start.html.php
index 5087c5207d..bd8b01204e 100644
--- a/module/productplan/view/start.html.php
+++ b/module/productplan/view/start.html.php
@@ -21,11 +21,11 @@
       <table class='table table-form'>
         <tr>
           <th><?php echo $lang->productplan->begin;?></th>
-          <td colspan='2'><?php echo html::input('begin', $plan->begin != '2030-01-01' ? formatTime($plan->begin) : '', "class='form-control form-date'");?></td>
+          <td colspan='2'><?php echo html::input('begin', $plan->begin != $this->config->productplan->future ? formatTime($plan->begin) : '', "class='form-control form-date'");?></td>
         </tr>
         <tr>
           <th><?php echo $lang->productplan->end;?></th>
-          <td colspan='2'><?php echo html::input('end', $plan->end != '2030-01-01' ? formatTime($plan->end) : '', 'class="form-control form-date"');?></td>
+          <td colspan='2'><?php echo html::input('end', $plan->end != $this->config->productplan->future ? formatTime($plan->end) : '', 'class="form-control form-date"');?></td>
         </tr>
         <tr>
           <th><?php echo $lang->productplan->desc;?></th>
diff --git a/module/productplan/view/view.html.php b/module/productplan/view/view.html.php
index b22ff1090e..544398bc2f 100644
--- a/module/productplan/view/view.html.php
+++ b/module/productplan/view/view.html.php
@@ -29,7 +29,7 @@
       <span title='<?php echo $plan->title;?>' class='text'><?php echo $plan->title;?></span>
       <?php if($product->type !== 'normal') echo "<span title='{$lang->product->branchName[$product->type]}' class='label label-branch label-badge'>" . $branchOption[$branch] . '</span>';?>
       <span class='label label-info label-badge'>
-        <?php echo ($plan->begin == '2030-01-01' || $plan->end == '2030-01-01') ? $lang->productplan->future : $plan->begin . '~' . $plan->end;?>
+        <?php echo ($plan->begin == $this->config->productplan->future || $plan->end == $this->config->productplan->future) ? $lang->productplan->future : $plan->begin . '~' . $plan->end;?>
       </span>
       <?php if($plan->deleted):?>
       <span class='label label-danger'><?php echo $lang->product->deleted;?></span>
@@ -47,7 +47,7 @@
             $attr       = "target='hiddenwin'";
             $isOnlyBody = false;
             $class      = '';
-            if($plan->begin == '2030-01-01' or $plan->end == '2030-01-01')
+            if($plan->begin == $this->config->productplan->future or $plan->end == $this->config->productplan->future)
             {
                 $class      = 'iframe';
                 $attr       = "data-toggle='modal' data-id='{$plan->id}' data-width='550px'";
@@ -596,11 +596,11 @@
                 <?php endif;?>
                 <tr>
                   <th><?php echo $lang->productplan->begin;?></th>
-                  <td><?php echo $plan->begin == '2030-01-01' ? $lang->productplan->future : $plan->begin;?></td>
+                  <td><?php echo $plan->begin == $this->config->productplan->future ? $lang->productplan->future : $plan->begin;?></td>
                 </tr>
                 <tr>
                   <th><?php echo $lang->productplan->end;?></th>
-                  <td><?php echo $plan->end == '2030-01-01' ? $lang->productplan->future : $plan->end;?></td>
+                  <td><?php echo $plan->end == $this->config->productplan->future ? $lang->productplan->future : $plan->end;?></td>
                 </tr>
                 <?php if($plan->parent == '-1'):?>
                 <tr>