diff --git a/module/execution/control.php b/module/execution/control.php
index ef26f905ad..0050be1d43 100644
--- a/module/execution/control.php
+++ b/module/execution/control.php
@@ -1594,9 +1594,16 @@ class execution extends control
             $newPlans = array();
             if(isset($_POST['plans']))
             {
+
                 foreach($_POST['plans'] as $plans)
                 {
-                    foreach($plans as $planID) $newPlans[$planID] = $planID;
+                    foreach($plans as $planList)
+                    {
+                        foreach($planList as $planID)
+                        {
+                            $newPlans[$planID] = $planID;
+                        }
+                    }
                 }
             }
 
diff --git a/module/execution/js/common.js b/module/execution/js/common.js
index 250b57fc8b..9a831597b7 100644
--- a/module/execution/js/common.js
+++ b/module/execution/js/common.js
@@ -184,12 +184,12 @@ function loadPlans(product, branchID)
     var branchID  = typeof(branchID) == 'undefined' ? 0 : branchID;
     var index     = $(product).attr('id').replace('products', '');
 
-    $.get(createLink('product', 'ajaxGetPlans', "productID=" + productID + '&branch=0,' + branchID + '&planID=0&fieldID&needCreate=&expired=noclosed,' + (config.currentMethod == 'create' ? 'unexpired' : '') + '&param=skipParent'), function(data)
+    $.get(createLink('product', 'ajaxGetPlans', "productID=" + productID + '&branch=0,' + branchID + '&planID=0&fieldID&needCreate=&expired=noclosed,unexpired&param=skipParent,multiple'), function(data)
     {
         if(data)
         {
             if($("div#plan" + index).size() == 0) $("#plansBox .row").append('<div class="col-sm-4" id="plan' + index + '"></div>');
-            $("div#plan" + index).html(data).find('select').attr('name', 'plans[' + productID + '][' + branchID + ']').attr('id', 'plans' + productID).chosen();
+            $("div#plan" + index).html(data).find('select').attr('name', 'plans[' + productID + '][' + branchID + '][]').attr('id', 'plans' + productID).chosen();
 
             adjustPlanBoxMargin();
         }
diff --git a/module/execution/model.php b/module/execution/model.php
index bb760866c5..fbd5818e4e 100644
--- a/module/execution/model.php
+++ b/module/execution/model.php
@@ -2023,7 +2023,7 @@ class executionModel extends model
             $data->project = $executionID;
             $data->product = $productID;
             $data->branch  = $branch;
-            $data->plan    = isset($plans[$productID][$branch]) ? $plans[$productID][$branch] : $oldPlan;
+            $data->plan    = isset($plans[$productID][$branch]) ? implode(',', $plans[$productID][$branch]) : $oldPlan;
             $this->dao->insert(TABLE_PROJECTPRODUCT)->data($data)->exec();
             $existedProducts[$productID][$branch] = true;
         }
diff --git a/module/execution/view/create.html.php b/module/execution/view/create.html.php
index ad142d687e..a38a8e0500 100644
--- a/module/execution/view/create.html.php
+++ b/module/execution/view/create.html.php
@@ -159,19 +159,19 @@
           <td colspan="3" id="plansBox">
             <div class='row'>
               <?php if(isset($plan) && !empty($plan->begin)):?>
-              <div class="col-sm-4" id="plan0"><?php echo html::select("plans[{$plan->product}][{$plan->branch}]", $productPlan, $plan->id, "class='form-control chosen'");?></div>
+              <div class="col-sm-4" id="plan0"><?php echo html::select("plans[{$plan->product}][{$plan->branch}]", $productPlan, $plan->id, "class='form-control chosen' multiple");?></div>
               <?php js::set('currentPlanID', $plan->id)?>
               <?php elseif($copyExecutionID):?>
               <?php $i = 0;?>
               <?php foreach($products as $product):?>
               <?php foreach($linkedBranches[$product->id] as $branchID => $branch):?>
               <?php $plans = isset($productPlans[$product->id][$branchID]) ? $productPlans[$product->id][$branchID] : array();?>
-              <div class="col-sm-4" id="plan<?php echo $i;?>"><?php echo html::select("plans[{$product->id}][$branchID]", $plans, $branches[$product->id][$branchID]->plan, "class='form-control chosen'");?></div>
+              <div class="col-sm-4" id="plan<?php echo $i;?>"><?php echo html::select("plans[{$product->id}][$branchID]", $plans, $branches[$product->id][$branchID]->plan, "class='form-control chosen' multiple");?></div>
               <?php $i++;?>
               <?php endforeach;?>
               <?php endforeach;?>
               <?php else:?>
-              <div class="col-sm-4" id="plan0"><?php echo html::select("plans[][]", $productPlan, '', "class='form-control chosen'");?></div>
+              <div class="col-sm-4" id="plan0"><?php echo html::select("plans[][]", $productPlan, '', "class='form-control chosen' multiple");?></div>
               <?php js::set('currentPlanID', '')?>
               <?php endif;?>
             </div>
diff --git a/module/execution/view/edit.html.php b/module/execution/view/edit.html.php
index b8d706294c..6106f73c6d 100644
--- a/module/execution/view/edit.html.php
+++ b/module/execution/view/edit.html.php
@@ -179,7 +179,7 @@
               <?php foreach($linkedProducts as $product):?>
               <?php foreach($linkedBranches[$product->id] as $branchID => $branch):?>
               <?php $plans = isset($productPlans[$product->id][$branchID]) ? $productPlans[$product->id][$branchID] : array();?>
-              <div class="col-sm-4" id="plan<?php echo $i;?>"><?php echo html::select("plans[{$product->id}][{$branchID}]", $plans, $branches[$product->id][$branchID]->plan, "class='form-control chosen'");?></div>
+              <div class="col-sm-4" id="plan<?php echo $i;?>"><?php echo html::select("plans[{$product->id}][{$branchID}][]", $plans, $branches[$product->id][$branchID]->plan, "class='form-control chosen' multiple");?></div>
               <?php $i++;?>
               <?php endforeach;?>
               <?php endforeach;?>
diff --git a/module/execution/view/view.html.php b/module/execution/view/view.html.php
index 70661107d5..10aaac97db 100644
--- a/module/execution/view/view.html.php
+++ b/module/execution/view/view.html.php
@@ -198,13 +198,19 @@
               <div class="detail-title"><strong><?php echo $lang->execution->linkPlan;?></strong></div>
               <div class="detail-content">
                 <div class="row row-grid">
-                  <?php foreach($products as $productID => $product):?>
-                  <?php foreach($product->plans as $planID):?>
-                  <?php if(isset($planGroups[$productID][$planID])):?>
-                  <div class="col-xs-12"><?php echo html::a($this->createLink('productplan', 'view', "planID={$planID}"), $product->name . '/' . $planGroups[$productID][$planID]);?></div>
-                  <?php endif;?>
-                  <?php endforeach;?>
-                  <?php endforeach;?>
+                <?php
+                foreach($products as $productID => $product)
+                {
+                    foreach($product->plans as $planIDList)
+                    {
+                        $planIDList = explode(',', $planIDList);
+                        foreach($planIDList as $planID)
+                        {
+                            if(isset($planGroups[$productID][$planID])) echo '<div class="col-xs-12">' . html::a($this->createLink('productplan', 'view', "planID={$planID}"), $product->name . '/' . $planGroups[$productID][$planID]) . '</div>';
+                        }
+                    }
+                }
+                ?>
                 </div>
               </div>
             </div>