* finish task #42159.

module/install/view/step3.html.php

@@ -53,7 +53,7 @@ EOT;
     </div>
     <div class='modal-body'>
       <div class='form-group'>
-        <?php echo html::textArea('config', $configContent, "rows='15' class='form-control'");?>
+        <?php echo html::textarea('config', $configContent, "rows='15' class='form-control'");?>
       </div>
       <div class='help-block text-center'>
         <?php

module/upgrade/control.php

@@ -124,8 +124,6 @@ class upgrade extends control
         $result = $this->upgrade->deleteFiles();
         if($result)
         {
-            $result[] = $this->lang->upgrade->afterDeleted;
-
             $this->view->result = 'fail';
             $this->view->errors  = $result;
 

module/upgrade/view/execute.html.php

@@ -18,9 +18,12 @@
     <div class='modal-body'>
       <?php if($result == 'fail'):?>
       <div class='alert alert-danger mgb-10'><strong><?php echo $lang->upgrade->fail?></strong></div>
-      <pre><?php echo join('<br />', $errors);?></pre>
+      <?php echo html::textarea('errors', join("\n", $errors), "rows='10' class='form-control' readonly");?>
       <?php endif;?>
     </div>
+    <?php if($result == 'fail'):?>
+    <div class='modal-footer text-left'><?php echo $lang->upgrade->afterDeleted;?> <?php echo html::a('#', $this->lang->refresh, '', "class='btn btn-sm' onclick='location.reload()'");?></div>
+    <?php endif;?>
   </div>
 </div>
 <?php include '../../common/view/footer.lite.html.php';?>