diff --git a/module/bug/view/linkbugs.html.php b/module/bug/view/linkbugs.html.php
index b3ec18fa85..7ead53687b 100644
--- a/module/bug/view/linkbugs.html.php
+++ b/module/bug/view/linkbugs.html.php
@@ -32,7 +32,7 @@
             </div>
             <?php echo $lang->idAB;?>
           </th>
-          <th class='c-pri'><?php echo $lang->priAB;?></th>
+          <th class='c-pri' title=<?php echo $lang->pri;?>><?php echo $lang->priAB;?></th>
           <th><?php echo $lang->bug->product;?></th>
           <th><?php echo $lang->bug->title;?></th>
           <th class='c-status'><?php echo $lang->bug->statusAB;?></th>
diff --git a/module/build/view/linkbug.html.php b/module/build/view/linkbug.html.php
index b4364e65d8..bdd39c2c5a 100644
--- a/module/build/view/linkbug.html.php
+++ b/module/build/view/linkbug.html.php
@@ -27,7 +27,7 @@
             <?php endif;?>
             <?php echo $lang->idAB;?>
           </th>
-          <th class='c-status'> <?php echo $lang->priAB;?></th>
+          <th class='c-status' title=<?php echo $lang->pri;?>> <?php echo $lang->priAB;?></th>
           <th class='text-left'><?php echo $lang->bug->title;?></th>
           <th class='c-user'>   <?php echo $lang->openedByAB;?></th>
           <th class='c-user'>   <?php echo $lang->bug->resolvedBy;?></th>
diff --git a/module/build/view/linkstory.html.php b/module/build/view/linkstory.html.php
index 3ce47e1e51..d874361a28 100644
--- a/module/build/view/linkstory.html.php
+++ b/module/build/view/linkstory.html.php
@@ -27,7 +27,7 @@
             <?php endif;?>
             <?php echo $lang->idAB;?>
           </th>
-          <th class='c-pri'>    <?php echo $lang->priAB;?></th>
+          <th class='c-pri' title=<?php echo $lang->pri;?>><?php echo $lang->priAB;?></th>
           <th class="text-left"><?php echo $lang->story->title;?></th>
           <th class='c-user'>   <?php echo $lang->openedByAB;?></th>
           <th class='c-user'>   <?php echo $lang->assignedToAB;?></th>
diff --git a/module/build/view/view.html.php b/module/build/view/view.html.php
index d10b01c3e0..d23b4ea3ae 100644
--- a/module/build/view/view.html.php
+++ b/module/build/view/view.html.php
@@ -89,7 +89,7 @@ tbody tr td:first-child input {display: none;}
                   <?php endif;?>
                   <?php common::printOrderLink('id', $orderBy, $vars, $lang->idAB);?>
                 </th>
-                <th class='c-id'><?php common::printOrderLink('pri', $orderBy, $vars, $lang->priAB);?></th>
+                <th class='c-id' title=<?php echo $lang->pri;?>><?php common::printOrderLink('pri', $orderBy, $vars, $lang->priAB);?></th>
                 <th class='text-left'><?php common::printOrderLink('title', $orderBy, $vars, $lang->story->title);?></th>
                 <th class='c-user'><?php common::printOrderLink('openedBy', $orderBy, $vars, $lang->openedByAB);?></th>
                 <th class='c-id text-right'><?php common::printOrderLink('estimate', $orderBy, $vars, $lang->story->estimateAB);?></th>
diff --git a/module/caselib/view/browse.html.php b/module/caselib/view/browse.html.php
index e4e94f5217..5fc8f8174d 100644
--- a/module/caselib/view/browse.html.php
+++ b/module/caselib/view/browse.html.php
@@ -124,7 +124,7 @@ js::set('flow',          $config->global->flow);
                 <?php endif;?>
                 <?php common::printOrderLink('id', $orderBy, $vars, $lang->idAB);?>
               </th>
-              <th class='c-pri'>   <?php common::printOrderLink('pri',      $orderBy, $vars, $lang->priAB);?></th>
+              <th class='c-pri' title=<?php echo $lang->pri;?>><?php common::printOrderLink('pri', $orderBy, $vars, $lang->priAB);?></th>
               <th class='text-left'><?php common::printOrderLink('title',   $orderBy, $vars, $lang->testcase->title);?></th>
               <th class='c-type'>  <?php common::printOrderLink('type',     $orderBy, $vars, $lang->typeAB);?></th>
               <th class='c-user'>  <?php common::printOrderLink('openedBy', $orderBy, $vars, $lang->openedByAB);?></th>
diff --git a/module/common/lang/en.php b/module/common/lang/en.php
index e6fdabf436..9849859a23 100644
--- a/module/common/lang/en.php
+++ b/module/common/lang/en.php
@@ -145,6 +145,8 @@ $lang->assignedToAB = 'AssignedTo';
 $lang->typeAB       = 'Type';
 $lang->nameAB       = 'Name';
 
+$lang->pri = 'Priority';
+
 $lang->common->common     = 'Common Module';
 $lang->my->common         = 'My';
 $lang->program->common    = 'Program';
diff --git a/module/common/lang/zh-cn.php b/module/common/lang/zh-cn.php
index 2bd0ba479d..0c99f1773e 100644
--- a/module/common/lang/zh-cn.php
+++ b/module/common/lang/zh-cn.php
@@ -145,6 +145,8 @@ $lang->assignedToAB = '指派';
 $lang->typeAB       = '类型';
 $lang->nameAB       = '名称';
 
+$lang->pri = '优先级';
+
 $lang->common->common     = '公有模块';
 $lang->my->common         = '地盘';
 $lang->program->common    = '项目集';
diff --git a/module/kanban/view/importcard.html.php b/module/kanban/view/importcard.html.php
index 15a8441a92..98c28ea56f 100644
--- a/module/kanban/view/importcard.html.php
+++ b/module/kanban/view/importcard.html.php
@@ -40,7 +40,7 @@
             <?php echo $lang->idAB;?>
           </th>
           <th class='c-name'><?php echo $lang->kanban->name;?></th>
-          <th class='c-pri'><?php echo $lang->priAB;?></th>
+          <th class='c-pri' title=<?php echo $lang->pri;?>><?php echo $lang->priAB;?></th>
           <th class='c-name'><?php echo $lang->kanbancard->name;?></th>
           <th class='c-user'><?php echo $lang->kanbancard->assignedTo;?></th>
           <th class='c-date'><?php echo $lang->kanbancard->end;?></th>
diff --git a/module/mr/view/link.html.php b/module/mr/view/link.html.php
index 65d7a17826..86411732ed 100644
--- a/module/mr/view/link.html.php
+++ b/module/mr/view/link.html.php
@@ -72,7 +72,7 @@
                 <?php if($canOrder):?>
                 <th class='w-70px'><?php common::printOrderLink('order', $orderBy, $vars, $lang->productplan->updateOrder);?></th>
                 <?php endif;?>
-                <th class='w-70px'> <?php common::printOrderLink('pri',        $orderBy, $vars, $lang->priAB);?></th>
+                <th class='w-70px' title=<?php echo $lang->pri;?>><?php common::printOrderLink('pri', $orderBy, $vars, $lang->priAB);?></th>
                 <th class='w-150px text-left'><?php common::printOrderLink('module',     $orderBy, $vars, $lang->story->module);?></th>
                 <th class='text-left'><?php common::printOrderLink('title',      $orderBy, $vars, $lang->story->title);?></th>
                 <th class='c-user'> <?php common::printOrderLink('openedBy',   $orderBy, $vars, $lang->openedByAB);?></th>
@@ -153,7 +153,7 @@
                 <th class='c-id text-left'>
                   <?php common::printOrderLink('id', $orderBy, $vars, $lang->idAB);?>
                 </th>
-                <th class='w-70px'> <?php common::printOrderLink('pri',        $orderBy, $vars, $lang->priAB);?></th>
+                <th class='w-70px' title=<?php echo $lang->pri;?>> <?php common::printOrderLink('pri', $orderBy, $vars, $lang->priAB);?></th>
                 <th class='text-left'><?php common::printOrderLink('title',      $orderBy, $vars, $lang->bug->title);?></th>
                 <th class='c-user'> <?php common::printOrderLink('openedBy',   $orderBy, $vars, $lang->openedByAB);?></th>
                 <th class='c-user'> <?php common::printOrderLink('assignedTo', $orderBy, $vars, $lang->bug->assignedToAB);?></th>
@@ -215,7 +215,7 @@
                 <th class='c-id text-left'>
                   <?php common::printOrderLink('id', $orderBy, $vars, $lang->idAB);?>
                 </th>
-                <th class='w-70px'> <?php common::printOrderLink('pri',        $orderBy, $vars, $lang->priAB);?></th>
+                <th class='w-70px' title=<?php echo $lang->pri;?>> <?php common::printOrderLink('pri', $orderBy, $vars, $lang->priAB);?></th>
                 <th class='text-left'><?php common::printOrderLink('name',      $orderBy, $vars, $lang->task->name);?></th>
                 <th class='c-user'> <?php common::printOrderLink('finishedBy',   $orderBy, $vars, $lang->task->finishedByAB);?></th>
                 <th class='c-user'> <?php common::printOrderLink('assignedTo', $orderBy, $vars, $lang->task->assignedToAB);?></th>
diff --git a/module/mr/view/linkbug.html.php b/module/mr/view/linkbug.html.php
index 49daaa7865..e070284cb2 100644
--- a/module/mr/view/linkbug.html.php
+++ b/module/mr/view/linkbug.html.php
@@ -27,7 +27,7 @@
             <?php endif;?>
             <?php echo $lang->idAB;?>
           </th>
-          <th class='c-pri'><?php echo $lang->priAB;?></th>
+          <th class='c-pri' title=<?php echo $lang->pri;?>><?php echo $lang->priAB;?></th>
           <th class='text-left'><?php echo $lang->bug->title;?></th>
           <th class='c-user'><?php echo $lang->openedByAB;?></th>
           <th class='c-user'><?php echo $lang->bug->assignedToAB;?></th>
diff --git a/module/mr/view/linkstory.html.php b/module/mr/view/linkstory.html.php
index 9d334b9bdc..e12ac68d2f 100644
--- a/module/mr/view/linkstory.html.php
+++ b/module/mr/view/linkstory.html.php
@@ -27,7 +27,7 @@
             <?php endif;?>
             <?php echo $lang->idAB;?>
           </th>
-          <th class='c-pri'><?php echo $lang->priAB;?></th>
+          <th class='c-pri' title=<?php echo $lang->pri;?>><?php echo $lang->priAB;?></th>
           <th class='c-plan'><?php echo $lang->story->plan;?></th>
           <th class='c-module'><?php echo $lang->story->module;?></th>
           <th class='text-left'><?php echo $lang->story->title;?></th>
diff --git a/module/mr/view/linktask.html.php b/module/mr/view/linktask.html.php
index e231dee43e..a22da0aeec 100644
--- a/module/mr/view/linktask.html.php
+++ b/module/mr/view/linktask.html.php
@@ -27,7 +27,7 @@
             <?php endif;?>
             <?php echo $lang->idAB;?>
           </th>
-          <th class='c-pri'><?php echo $lang->priAB;?></th>
+          <th class='c-pri' title=<?php echo $lang->pri;?>><?php echo $lang->priAB;?></th>
           <th class='text-left'><?php echo $lang->task->name;?></th>
           <th class='c-user'><?php echo $lang->task->finishedByAB;?></th>
           <th class='c-user'><?php echo $lang->task->assignedToAB;?></th>
diff --git a/module/productplan/view/linkbug.html.php b/module/productplan/view/linkbug.html.php
index 2b235ca1f4..5468ec1fd4 100644
--- a/module/productplan/view/linkbug.html.php
+++ b/module/productplan/view/linkbug.html.php
@@ -27,7 +27,7 @@
             <?php endif;?>
             <?php echo $lang->idAB;?>
           </th>
-          <th class='c-pri'><?php echo $lang->priAB;?></th>
+          <th class='c-pri' title='<?php echo $lang->pri;?>'><?php echo $lang->priAB;?></th>
           <th class='text-left'><?php echo $lang->bug->title;?></th>
           <th class='c-user'><?php echo $lang->openedByAB;?></th>
           <th class='c-user'><?php echo $lang->bug->assignedToAB;?></th>
diff --git a/module/productplan/view/linkstory.html.php b/module/productplan/view/linkstory.html.php
index c026b12eef..b2c29697fc 100644
--- a/module/productplan/view/linkstory.html.php
+++ b/module/productplan/view/linkstory.html.php
@@ -27,7 +27,7 @@
             <?php endif;?>
             <?php echo $lang->idAB;?>
           </th>
-          <th class='c-pri'><?php echo $lang->priAB;?></th>
+          <th class='c-pri' title='<?php echo $lang->pri;?>'><?php echo $lang->priAB;?></th>
           <th class='c-plan'><?php echo $lang->story->plan;?></th>
           <th class='c-module'><?php echo $lang->story->module;?></th>
           <th class='text-left'><?php echo $lang->story->title;?></th>
diff --git a/module/productplan/view/view.html.php b/module/productplan/view/view.html.php
index e842979fa6..e306c8034e 100644
--- a/module/productplan/view/view.html.php
+++ b/module/productplan/view/view.html.php
@@ -157,7 +157,7 @@
                 <th class='c-id text-left'>
                   <?php common::printOrderLink('id', $orderBy, $vars, $lang->idAB);?>
                 </th>
-                <th class='w-70px'> <?php common::printOrderLink('pri',        $orderBy, $vars, $lang->priAB);?></th>
+                <th class='w-70px' title='<?php echo $lang->pri;?>'> <?php common::printOrderLink('pri',        $orderBy, $vars, $lang->priAB);?></th>
                 <th class='text-left'><?php common::printOrderLink('title',      $orderBy, $vars, $lang->story->title);?></th>
                 <th class='w-70px'> <?php common::printOrderLink('status',     $orderBy, $vars, $lang->statusAB);?></th>
                 <?php else:?>
@@ -172,7 +172,7 @@
                 <?php if($canOrder):?>
                 <th class='w-70px'><?php common::printOrderLink('order', $orderBy, $vars, $lang->productplan->updateOrder);?></th>
                 <?php endif;?>
-                <th class='w-70px'> <?php common::printOrderLink('pri',        $orderBy, $vars, $lang->priAB);?></th>
+                <th class='w-70px' title='<?php echo $lang->pri;?>'> <?php common::printOrderLink('pri', $orderBy, $vars, $lang->priAB);?></th>
                 <th class='w-150px text-left'><?php common::printOrderLink('module',     $orderBy, $vars, $lang->story->module);?></th>
                 <th class='text-left'><?php common::printOrderLink('title',      $orderBy, $vars, $lang->story->title);?></th>
                 <th class='c-user'> <?php common::printOrderLink('openedBy',   $orderBy, $vars, $lang->openedByAB);?></th>
@@ -452,7 +452,7 @@
                 <th class='c-id text-left'>
                   <?php common::printOrderLink('id', $orderBy, $vars, $lang->idAB);?>
                 </th>
-                <th class='w-70px'> <?php common::printOrderLink('pri',        $orderBy, $vars, $lang->priAB);?></th>
+                <th class='w-70px' title='<?php echo $lang->pri;?>'> <?php common::printOrderLink('pri',        $orderBy, $vars, $lang->priAB);?></th>
                 <th class='text-left'><?php common::printOrderLink('title',    $orderBy, $vars, $lang->bug->title);?></th>
                 <th class='w-100px'><?php common::printOrderLink('status',     $orderBy, $vars, $lang->bug->status);?></th>
                 <?php else:?>
@@ -464,7 +464,7 @@
                   <?php endif;?>
                   <?php common::printOrderLink('id', $orderBy, $vars, $lang->idAB);?>
                 </th>
-                <th class='w-70px'> <?php common::printOrderLink('pri',        $orderBy, $vars, $lang->priAB);?></th>
+                <th class='w-70px' title='<?php echo $lang->pri;?>'><?php common::printOrderLink('pri', $orderBy, $vars, $lang->priAB);?></th>
                 <th class='text-left'><?php common::printOrderLink('title',    $orderBy, $vars, $lang->bug->title);?></th>
                 <th class='c-user'> <?php common::printOrderLink('openedBy',   $orderBy, $vars, $lang->openedByAB);?></th>
                 <th class='c-user'> <?php common::printOrderLink('assignedTo', $orderBy, $vars, $lang->bug->assignedToAB);?></th>
diff --git a/module/projectrelease/view/linkbug.html.php b/module/projectrelease/view/linkbug.html.php
index a5b8652488..9ed6c81f62 100644
--- a/module/projectrelease/view/linkbug.html.php
+++ b/module/projectrelease/view/linkbug.html.php
@@ -31,7 +31,7 @@ $formID      = $type == 'leftBug' ? 'unlinkedLeftBugsForm' : 'unlinkedBugsForm';
             <?php endif;?>
             <?php echo $lang->idAB;?>
           </th>
-          <th class='c-pri'><?php echo $lang->priAB;?></th>
+          <th class='c-pri' title='<?php echo $lang->pri;?>'><?php echo $lang->priAB;?></th>
           <th class='text-left'><?php echo $lang->bug->title;?></th>
           <th class='c-user'><?php echo $lang->openedByAB;?></th>
           <th class='c-user'><?php echo $lang->bug->resolvedBy;?></th>
diff --git a/module/projectrelease/view/linkstory.html.php b/module/projectrelease/view/linkstory.html.php
index f75c38af81..c6caa3ac06 100644
--- a/module/projectrelease/view/linkstory.html.php
+++ b/module/projectrelease/view/linkstory.html.php
@@ -27,7 +27,7 @@
             <?php endif;?>
             <?php echo $lang->idAB;?>
           </th>
-          <th class='c-pri'><?php echo $lang->priAB;?></th>
+          <th class='c-pri' title='<?php echo $lang->pri;?>'><?php echo $lang->priAB;?></th>
           <th class='text-left'><?php echo $lang->story->title;?></th>
           <th class='c-user'><?php echo $lang->openedByAB;?></th>
           <th class='c-user'><?php echo $lang->assignedToAB;?></th>
diff --git a/module/projectrelease/view/view.html.php b/module/projectrelease/view/view.html.php
index 0ebf95a796..3dc3c86f29 100644
--- a/module/projectrelease/view/view.html.php
+++ b/module/projectrelease/view/view.html.php
@@ -85,7 +85,7 @@
                       <?php endif;?>
                       <?php common::printOrderLink('id', $orderBy, $vars, $lang->idAB);?>
                     </th>
-                    <th class='c-pri'>    <?php common::printOrderLink('pri',      $orderBy, $vars, $lang->priAB);?></th>
+                    <th class='c-pri' title='<?php echo $lang->pri;?>'><?php common::printOrderLink('pri', $orderBy, $vars, $lang->priAB);?></th>
                     <th class="text-left"><?php common::printOrderLink('title',    $orderBy, $vars, $lang->story->title);?></th>
                     <th class='c-user'>   <?php common::printOrderLink('openedBy', $orderBy, $vars, $lang->openedByAB);?></th>
                     <th class='w-80px text-right'><?php common::printOrderLink('estimate', $orderBy, $vars, $lang->story->estimateAB);?></th>
diff --git a/module/release/view/linkbug.html.php b/module/release/view/linkbug.html.php
index 874436fbd0..ac3effbfe9 100644
--- a/module/release/view/linkbug.html.php
+++ b/module/release/view/linkbug.html.php
@@ -31,7 +31,7 @@ $formID      = $type == 'leftBug' ? 'unlinkedLeftBugsForm' : 'unlinkedBugsForm';
             <?php endif;?>
             <?php echo $lang->idAB;?>
           </th>
-          <th class='c-pri'><?php echo $lang->priAB;?></th>
+          <th class='c-pri' title=<?php echo $lang->pri;?>><?php echo $lang->priAB;?></th>
           <th class='text-left'><?php echo $lang->bug->title;?></th>
           <th class='c-user'><?php echo $lang->openedByAB;?></th>
           <th class='c-user'><?php echo $lang->bug->resolvedBy;?></th>
diff --git a/module/release/view/linkstory.html.php b/module/release/view/linkstory.html.php
index c8d9ca1e8f..0b10f22482 100644
--- a/module/release/view/linkstory.html.php
+++ b/module/release/view/linkstory.html.php
@@ -27,7 +27,7 @@
             <?php endif;?>
             <?php echo $lang->idAB;?>
           </th>
-          <th class='c-pri'><?php echo $lang->priAB;?></th>
+          <th class='c-pri' title=<?php echo $lang->pri;?>><?php echo $lang->priAB;?></th>
           <th class='text-left'><?php echo $lang->story->title;?></th>
           <th class='c-user'><?php echo $lang->openedByAB;?></th>
           <th class='c-user'><?php echo $lang->assignedToAB;?></th>
diff --git a/module/release/view/view.html.php b/module/release/view/view.html.php
index cb7b8bc7d0..1c41e9bc21 100644
--- a/module/release/view/view.html.php
+++ b/module/release/view/view.html.php
@@ -85,7 +85,7 @@
                       <?php endif;?>
                       <?php common::printOrderLink('id', $orderBy, $vars, $lang->idAB);?>
                     </th>
-                    <th class='c-pri'>    <?php common::printOrderLink('pri',      $orderBy, $vars, $lang->priAB);?></th>
+                    <th class='c-pri' title=<?php echo $lang->pri;?>><?php common::printOrderLink('pri', $orderBy, $vars, $lang->priAB);?></th>
                     <th class="text-left"><?php common::printOrderLink('title',    $orderBy, $vars, $lang->story->title);?></th>
                     <th class='c-user'>   <?php common::printOrderLink('openedBy', $orderBy, $vars, $lang->openedByAB);?></th>
                     <th class='w-80px text-right'><?php common::printOrderLink('estimate', $orderBy, $vars, $lang->story->estimateAB);?></th>
diff --git a/module/testcase/view/bugs.html.php b/module/testcase/view/bugs.html.php
index 84da9259f5..93e36b1534 100644
--- a/module/testcase/view/bugs.html.php
+++ b/module/testcase/view/bugs.html.php
@@ -9,7 +9,7 @@
         <tr class='text-center'>
           <th class='c-id'><?php echo $lang->idAB;?></th>
           <th class='w-p30'> <?php echo $lang->bug->title;?></th>
-          <th class='c-pri'> <?php echo $lang->priAB;?></th>
+          <th class='c-pri' title=<?php echo $lang->pri;?>><?php echo $lang->priAB;?></th>
           <th class='c-type'><?php echo $lang->bug->type;?></th>
           <th class='c-status'><?php echo $lang->statusAB;?></th>
           <th class='c-user'><?php echo $lang->bug->assignedTo;?></th>
diff --git a/module/testcase/view/importfromlib.html.php b/module/testcase/view/importfromlib.html.php
index df10fd4979..c0e7e814b8 100644
--- a/module/testcase/view/importfromlib.html.php
+++ b/module/testcase/view/importfromlib.html.php
@@ -36,8 +36,8 @@
           <?php if($product->type != 'normal'):?>
           <th class='c-branch'><?php echo $lang->testcase->branch ?></th>
           <?php endif;?>
-          <th class='c-pri'>  <?php common::printOrderLink('pri',   $orderBy, $vars, $lang->priAB);?></th>
-          <th>                <?php common::printOrderLink('title', $orderBy, $vars, $lang->testcase->title);?></th>
+          <th class='c-pri' title=<?php echo $lang->pri;?>><?php common::printOrderLink('pri',   $orderBy, $vars, $lang->priAB);?></th>
+          <th><?php common::printOrderLink('title', $orderBy, $vars, $lang->testcase->title);?></th>
           <th class='c-module'><?php echo $lang->testcase->fromModule ?></th>
           <th class='c-module'><?php echo $lang->testcase->module ?></th>
           <th class='c-type'><?php common::printOrderLink('type',  $orderBy, $vars, $lang->testcase->type)?></th>
diff --git a/module/testcase/view/linkcases.html.php b/module/testcase/view/linkcases.html.php
index 0bd00d0d17..ab5e4db49f 100644
--- a/module/testcase/view/linkcases.html.php
+++ b/module/testcase/view/linkcases.html.php
@@ -32,7 +32,7 @@
             </div>
             <?php echo $lang->idAB;?>
           </th>
-          <th class='c-pri'><?php echo $lang->priAB;?></th>
+          <th class='c-pri' title=<?php echo $lang->pri;?>><?php echo $lang->priAB;?></th>
           <th><?php echo $lang->testcase->product;?></th>
           <th><?php echo $lang->testcase->title;?></th>
           <th class='c-type'><?php echo $lang->testcase->type;?></th>
diff --git a/module/testsuite/view/linkcase.html.php b/module/testsuite/view/linkcase.html.php
index 1324d49758..67dced905a 100644
--- a/module/testsuite/view/linkcase.html.php
+++ b/module/testsuite/view/linkcase.html.php
@@ -40,7 +40,7 @@
             <?php echo $lang->idAB;?>
           </th>
           <th class='w-70px text-center'><nobr><?php echo $lang->testsuite->linkVersion;?></nobr></th>
-          <th class='w-70px'><?php echo $lang->priAB;?></th>
+          <th class='w-70px' title=<?php echo $lang->pri;?>><?php echo $lang->priAB;?></th>
           <th><?php echo $lang->testcase->title;?></th>
           <th class='w-90px'><?php echo $lang->testcase->type;?></th>
           <th class='c-user'><?php echo $lang->openedByAB;?></th>
diff --git a/module/testtask/view/groupcase.html.php b/module/testtask/view/groupcase.html.php
index b5af67b4ab..2e5857f15f 100644
--- a/module/testtask/view/groupcase.html.php
+++ b/module/testtask/view/groupcase.html.php
@@ -26,7 +26,7 @@
           </div>
         </th>
         <th class='c-id-sm'><?php echo $lang->idAB;?></th>
-        <th class='w-80px'>  <?php echo $lang->priAB;?></th>
+        <th class='w-80px' title='<?php echo $lang->pri;?>'>  <?php echo $lang->priAB;?></th>
         <th><?php echo $lang->testcase->title;?></th>
         <th class='w-80px'> <?php echo $lang->typeAB;?></th>
         <th class='w-user'> <?php echo $lang->testtask->assignedTo;?></th>
diff --git a/module/testtask/view/linkcase.html.php b/module/testtask/view/linkcase.html.php
index 4b58c7ff0f..f2a0a97316 100644
--- a/module/testtask/view/linkcase.html.php
+++ b/module/testtask/view/linkcase.html.php
@@ -84,7 +84,7 @@
             <?php echo $lang->idAB;?>
           </th>
           <th class='c-version text-center'><nobr><?php echo $lang->testtask->linkVersion;?></nobr></th>
-          <th class='c-pri'><?php echo $lang->priAB;?></th>
+          <th class='c-pri' title='<?php echo $lang->pri;?>'><?php echo $lang->priAB;?></th>
           <th><?php echo $lang->testcase->title;?></th>
           <th class='c-type'><?php echo $lang->testcase->type;?></th>
           <th class='c-user'><?php echo $lang->openedByAB;?></th>
diff --git a/module/testtask/view/unitgroup.html.php b/module/testtask/view/unitgroup.html.php
index 9b4bed3164..b27448e517 100644
--- a/module/testtask/view/unitgroup.html.php
+++ b/module/testtask/view/unitgroup.html.php
@@ -15,7 +15,7 @@
         </div>
       </th>
       <th class='c-id-sm'><?php echo $lang->idAB;?></th>
-      <th class='w-pri'>  <?php echo $lang->priAB;?></th>
+      <th class='w-pri' title='<?php echo $lang->pri;?>'>  <?php echo $lang->priAB;?></th>
       <th><?php echo $lang->testcase->title;?></th>
       <th class='w-80px'> <?php echo $lang->testtask->lastRunAccount;?></th>
       <th class='w-120px'><?php echo $lang->testtask->lastRunTime;?></th>
diff --git a/module/user/view/bug.html.php b/module/user/view/bug.html.php
index 7543feadf9..08d097a804 100644
--- a/module/user/view/bug.html.php
+++ b/module/user/view/bug.html.php
@@ -40,7 +40,7 @@
         <tr class='text-center'>
           <th class='c-id'>        <?php common::printOrderLink('id', $orderBy, $vars, $lang->idAB);?></th>
           <th class='c-severity'>  <?php common::printOrderLink('severity', $orderBy, $vars, $lang->bug->severityAB);?></th>
-          <th class='c-pri'>       <?php common::printOrderLink('pri', $orderBy, $vars, $lang->priAB);?></th>
+          <th class='c-pri' title='<?php echo $lang->pri;?>'><?php common::printOrderLink('pri', $orderBy, $vars, $lang->priAB);?></th>
           <th class='c-type'>      <?php common::printOrderLink('type', $orderBy, $vars, $lang->typeAB);?></th>
           <th class='text-left'>   <?php common::printOrderLink('title', $orderBy, $vars, $lang->bug->title);?></th>
           <th class='c-user'>      <?php common::printOrderLink('openedBy', $orderBy, $vars, $lang->openedByAB);?></th>
diff --git a/module/user/view/story.html.php b/module/user/view/story.html.php
index 6968bf2550..6cdab3107f 100644
--- a/module/user/view/story.html.php
+++ b/module/user/view/story.html.php
@@ -42,7 +42,7 @@
       <thead>
         <tr class='colhead'>
           <th class='w-id'>   <?php common::printOrderLink('id', $orderBy, $vars, $lang->idAB);?></th>
-          <th class='w-pri'>  <?php common::printOrderLink('pri', $orderBy, $vars, $lang->priAB);?></th>
+          <th class='w-pri' title='<?php echo $lang->pri;?>'><?php common::printOrderLink('pri', $orderBy, $vars, $lang->priAB);?></th>
           <th class='w-200px'><?php common::printOrderLink('product', $orderBy, $vars, $lang->story->product);?></th>
           <th>                <?php common::printOrderLink('title', $orderBy, $vars, $lang->story->title);?></th>
           <?php if($storyType != 'requirement'):?>
diff --git a/module/user/view/task.html.php b/module/user/view/task.html.php
index 1c6f51ab38..c52df556c1 100644
--- a/module/user/view/task.html.php
+++ b/module/user/view/task.html.php
@@ -42,7 +42,7 @@
       <thead>
         <tr class='colhead'>
           <th class='w-id'><?php echo $lang->idAB;?></th>
-          <th class='w-pri'><?php common::printOrderLink('pri', $orderBy, $vars, $lang->priAB);?></th>
+          <th class='w-pri' title='<?php echo $lang->pri;?>'><?php common::printOrderLink('pri', $orderBy, $vars, $lang->priAB);?></th>
           <th><?php common::printOrderLink('execution', $orderBy, $vars, $lang->task->execution);?></th>
           <th><?php common::printOrderLink('name', $orderBy, $vars, $lang->task->name);?></th>
           <th class='w-70px hours'><?php echo $lang->task->estimateAB;?></th>
diff --git a/module/user/view/testcase.html.php b/module/user/view/testcase.html.php
index dbecfbcd54..9e3cb8914f 100755
--- a/module/user/view/testcase.html.php
+++ b/module/user/view/testcase.html.php
@@ -35,7 +35,7 @@
       <thead>
         <tr class='colhead'>
           <th class='c-id'>    <?php common::printOrderLink('id',       $orderBy, $vars, $lang->idAB);?></th>
-          <th class='c-pri'>   <?php common::printOrderLink('pri',      $orderBy, $vars, $lang->priAB);?></th>
+          <th class='c-pri' title='<?php echo $lang->pri;?>'><?php common::printOrderLink('pri',      $orderBy, $vars, $lang->priAB);?></th>
           <th>                 <?php common::printOrderLink('title',    $orderBy, $vars, $lang->testcase->title);?></th>
           <th class='c-type'>  <?php common::printOrderLink('type',     $orderBy, $vars, $lang->typeAB);?></th>
           <th class='c-user'>  <?php common::printOrderLink('openedBy', $orderBy, $vars, $lang->openedByAB);?></th>
diff --git a/module/user/view/todo.html.php b/module/user/view/todo.html.php
index 6abf82aebc..2fd685e39a 100644
--- a/module/user/view/todo.html.php
+++ b/module/user/view/todo.html.php
@@ -38,7 +38,7 @@
         <th class='c-id'>    <?php common::printOrderLink('id',     $orderBy, $vars, $lang->idAB);?></th>
         <th class='c-date'>  <?php common::printOrderLink('date',   $orderBy, $vars, $lang->todo->date);?></th>
         <th class='c-type'>  <?php common::printOrderLink('type',   $orderBy, $vars, $lang->todo->type);?></th>
-        <th class='c-pri'>   <?php common::printOrderLink('pri',    $orderBy, $vars, $lang->priAB);?></th>
+        <th class='c-pri' title='<?php echo $lang->pri;?>'>   <?php common::printOrderLink('pri',    $orderBy, $vars, $lang->priAB);?></th>
         <th>                 <?php common::printOrderLink('name',   $orderBy, $vars, $lang->todo->name);?></th>
         <th class='c-date'>  <?php common::printOrderLink('begin',  $orderBy, $vars, $lang->todo->beginAB);?></th>
         <th class='c-date'>  <?php common::printOrderLink('end',    $orderBy, $vars, $lang->todo->endAB);?></th>