fix bug

apps/exams/Tpl/default/Index/examsroom_w3g.html

@@ -31,6 +31,7 @@
         <div class="back-date">
             <i class="icon icon-fanhui1" style="display: none;"></i>
             <small>
+                <php>var_dump($paper)</php>
                 <php>if($paper['reply_time']){</php>
                 <span id="time_hh">-</span>:<span id="time_mm">-</span>:<span id="time_ss">-</span>
                 <php>}else{</php>