Merge branch 'sprint/pailei2_zhouxudong_20121' into 'pailei2'

* Fix bug #20121.

See merge request easycorp/zentaopms!2345

module/execution/view/importbug.html.php

@@ -75,7 +75,7 @@
       </div>
       <div class='btn-toolbar'>
         <?php if(isonlybody()):?>
-        <?php echo html::commonButton('<i class="icon icon-back icon-sm"></i> ' . $lang->goback, 'onclick="goback()"', 'btn');?>
+        <?php echo html::commonButton('<i class="icon icon-sm"></i> ' . $lang->goback, 'onclick="goback()"', 'btn');?>
         <?php else:?>
         <?php echo html::backButton('','','btn');?>
         <?php endif;?>