đổi lại mode triển khai để ko hiển thị lỗi ra màn hình

application/views/backend/cms_artist/list_artist_view.php

@@ -32,8 +32,8 @@
     </div>
     <?php echo form_close(); ?>
     <div class="col-lg-1" style="float:right;">
-        <a class="btn btn-sm btn-success" href="<?php echo base_url('backend/cmsArtist/addArtist');?>"><i
-                class="glyphicon-plus">Thêm</i></a>
+        <a class="btn btn-sm btn-success" href="<?php echo base_url('backend/cmsArtist/addArtist');?>">
+            <i class="glyphicon-plus"></i> Thêm</a>
     </div>
 </div>
 <!-- /.row -->

application/views/backend/cms_track/list_track_view.php

@@ -49,8 +49,8 @@
     </div>
     <?php echo form_close(); ?>
     <div class="col-lg-1" style="float:right;">
-        <a class="btn btn-sm btn-success" href="<?php echo base_url('backend/cmsTrack/addTrack');?>"><i
-                class="glyphicon-plus">Thêm</i></a>
+        <a class="btn btn-sm btn-success" href="<?php echo base_url('backend/cmsTrack/addTrack');?>">
+            <i class="glyphicon-plus"></i> Thêm</a>
     </div>
 </div>
 <!-- /.row -->

index.php

@@ -42,7 +42,7 @@
  *
  * NOTE: If you change these, also change the error_reporting() code below
  */
-	define('ENVIRONMENT', isset($_SERVER['CI_ENV']) ? $_SERVER['CI_ENV'] : 'development');
+	define('ENVIRONMENT', isset($_SERVER['CI_ENV']) ? $_SERVER['CI_ENV'] : 'production');
 
 /*
  *---------------------------------------------------------------