diff --git a/module/custom/control.php b/module/custom/control.php
index 485c0b7b36..f0b13b6818 100644
--- a/module/custom/control.php
+++ b/module/custom/control.php
@@ -420,6 +420,19 @@ class custom extends control
         $this->display();
     }
 
+    /**
+     * Set story concept.
+     *
+     * @param  int   $key
+     * @access public
+     * @return void
+     */
+    public function setDefaultConcept($key = 0)
+    {
+        $this->loadModel('setting')->setItem('system.custom.URSR', $key);
+        die(js::reload('parent'));
+    }
+
     /**
      * Delete story concept.
      *
diff --git a/module/custom/lang/de.php b/module/custom/lang/de.php
index 6107d9937b..0066022c91 100644
--- a/module/custom/lang/de.php
+++ b/module/custom/lang/de.php
@@ -38,6 +38,7 @@ $lang->custom->waterfallCommon      = "Waterfall";
 $lang->custom->buildin              = "Buildin";
 $lang->custom->editStoryConcept     = "Edit Story Concept";
 $lang->custom->setStoryConcept      = "Set Story Concept";
+$lang->custom->setDefaultConcept    = "Set Default Concept";
 $lang->custom->browseStoryConcept   = "List of story concepts";
 $lang->custom->deleteStoryConcept   = "Delete story Concept";
 $lang->custom->URConcept            = "UR Concept";
diff --git a/module/custom/lang/en.php b/module/custom/lang/en.php
index 00235b1846..6473f51d14 100644
--- a/module/custom/lang/en.php
+++ b/module/custom/lang/en.php
@@ -38,6 +38,7 @@ $lang->custom->waterfallCommon      = "Waterfall";
 $lang->custom->buildin              = "Buildin";
 $lang->custom->editStoryConcept     = "Edit Story Concept";
 $lang->custom->setStoryConcept      = "Set Story Concept";
+$lang->custom->setDefaultConcept    = "Set Default Concept";
 $lang->custom->browseStoryConcept   = "List of story concepts";
 $lang->custom->deleteStoryConcept   = "Delete story Concept";
 $lang->custom->URConcept            = "UR Concept";
diff --git a/module/custom/lang/fr.php b/module/custom/lang/fr.php
index 77a1a51ad0..dc63dcbc5b 100644
--- a/module/custom/lang/fr.php
+++ b/module/custom/lang/fr.php
@@ -38,6 +38,7 @@ $lang->custom->waterfallCommon      = "Waterfall";
 $lang->custom->buildin              = "Buildin";
 $lang->custom->editStoryConcept     = "Edit Story Concept";
 $lang->custom->setStoryConcept      = "Set Story Concept";
+$lang->custom->setDefaultConcept    = "Set Default Concept";
 $lang->custom->browseStoryConcept   = "List of story concepts";
 $lang->custom->deleteStoryConcept   = "Delete story Concept";
 $lang->custom->URConcept            = "UR Concept";
diff --git a/module/custom/lang/vi.php b/module/custom/lang/vi.php
index ddffc57c45..f4a8b48a17 100644
--- a/module/custom/lang/vi.php
+++ b/module/custom/lang/vi.php
@@ -38,6 +38,7 @@ $lang->custom->waterfallCommon      = "Waterfall";
 $lang->custom->buildin              = "Buildin";
 $lang->custom->editStoryConcept     = "Edit Story Concept";
 $lang->custom->setStoryConcept      = "Set Story Concept";
+$lang->custom->setDefaultConcept    = "Set Default Concept";
 $lang->custom->browseStoryConcept   = "List of story concepts";
 $lang->custom->deleteStoryConcept   = "Delete story Concept";
 $lang->custom->URConcept            = "UR Concept";
diff --git a/module/custom/lang/zh-cn.php b/module/custom/lang/zh-cn.php
index 23a648b109..60b1e10b0b 100644
--- a/module/custom/lang/zh-cn.php
+++ b/module/custom/lang/zh-cn.php
@@ -38,6 +38,7 @@ $lang->custom->waterfallCommon      = "瀑布";
 $lang->custom->buildin              = "系统内置";
 $lang->custom->editStoryConcept     = "编辑需求概念";
 $lang->custom->setStoryConcept      = "设置需求概念";
+$lang->custom->setDefaultConcept    = "设置默认概念";
 $lang->custom->browseStoryConcept   = "需求概念列表";
 $lang->custom->deleteStoryConcept   = "删除需求概念";
 $lang->custom->URConcept            = "用需概念";
diff --git a/module/custom/lang/zh-tw.php b/module/custom/lang/zh-tw.php
index 2e63c697f2..5dff2482e1 100644
--- a/module/custom/lang/zh-tw.php
+++ b/module/custom/lang/zh-tw.php
@@ -38,6 +38,7 @@ $lang->custom->waterfallCommon      = "瀑布";
 $lang->custom->buildin              = "系統內置";
 $lang->custom->editStoryConcept     = "編輯需求概念";
 $lang->custom->setStoryConcept      = "設置需求概念";
+$lang->custom->setDefaultConcept    = "設置預設概念";
 $lang->custom->browseStoryConcept   = "需求概念列表";
 $lang->custom->deleteStoryConcept   = "刪除需求概念";
 $lang->custom->URConcept            = "用需概念";
diff --git a/module/custom/view/browsestoryconcept.html.php b/module/custom/view/browsestoryconcept.html.php
index a369471976..bd4627b047 100644
--- a/module/custom/view/browsestoryconcept.html.php
+++ b/module/custom/view/browsestoryconcept.html.php
@@ -23,6 +23,9 @@
       <table class='table table-form'>
         <thead>
           <tr>
+            <?php if(common::hasPriv('custom', 'setDefaultConcept')):?>
+            <th class='w-60px text-center'><?php echo $lang->custom->default;?> </th>
+            <?php endif;?>
             <?php if($this->config->URAndSR):?>
             <th class='text-left'><?php echo $lang->custom->URConcept;?> </th>
             <?php endif;?>
@@ -33,6 +36,9 @@
         <tbody>
         <?php foreach($URSRList as $key => $URSR):?>
           <tr>
+            <?php if(common::hasPriv('custom', 'setDefaultConcept')):?>
+            <td class='text-center'><input type="radio" name='default' value='<?php echo $key;?>' <?php if($key == $config->custom->URSR) echo 'checked';?>></td>
+            <?php endif;?>
             <?php if($this->config->URAndSR):?>
             <td class='text-left'><?php echo $URSR['URName'];?></td>
             <?php endif;?>
@@ -48,4 +54,11 @@
       </table>
   </div>
 </div>
+<script>
+$("input[name='default']").change(function()
+{
+    var checked = $(this).val();
+    hiddenwin.location.href = createLink('custom', 'setDefaultConcept', 'key=' + checked);
+})
+</script>
 <?php include '../../common/view/footer.html.php';?>
diff --git a/module/group/lang/resource.php b/module/group/lang/resource.php
index cbca515e89..1259b6bf83 100644
--- a/module/group/lang/resource.php
+++ b/module/group/lang/resource.php
@@ -1081,6 +1081,7 @@ $lang->resource->custom->timezone           = 'timezone';
 $lang->resource->custom->setStoryConcept    = 'setStoryConcept';
 $lang->resource->custom->editStoryConcept   = 'editStoryConcept';
 $lang->resource->custom->browseStoryConcept = 'browseStoryConcept';
+$lang->resource->custom->setDefaultConcept  = 'setDefaultConcept';
 $lang->resource->custom->deleteStoryConcept = 'deleteStoryConcept';
 
 $lang->custom->methodOrder[5]  = 'index';
@@ -1095,7 +1096,8 @@ $lang->custom->methodOrder[45] = 'timezone';
 $lang->custom->methodOrder[50] = 'setStoryConcept';
 $lang->custom->methodOrder[55] = 'editStoryConcept';
 $lang->custom->methodOrder[60] = 'browseStoryConcept';
-$lang->custom->methodOrder[65] = 'deleteStoryConcept';
+$lang->custom->methodOrder[65] = 'setDefaultConcept';
+$lang->custom->methodOrder[70] = 'deleteStoryConcept';
 
 $lang->resource->datatable = new stdclass();
 $lang->resource->datatable->setGlobal = 'setGlobal';
@@ -1806,6 +1808,7 @@ $lang->changelog['15.0.rc1'][] = 'user-execution';
 $lang->changelog['15.0.rc1'][] = 'custom-setStoryConcept';
 $lang->changelog['15.0.rc1'][] = 'custom-editStoryConcept';
 $lang->changelog['15.0.rc1'][] = 'custom-browseStoryConcept';
+$lang->changelog['15.0.rc1'][] = 'custom-setDefaultConcept';
 $lang->changelog['15.0.rc1'][] = 'custom-deleteStoryConcept';
 $lang->changelog['15.0.rc1'][] = 'search-index';
 $lang->changelog['15.0.rc1'][] = 'search-buildIndex';