diff --git a/web/reinfo.php b/web/reinfo.php
index 8b9a0fa..0dbf532 100644
--- a/web/reinfo.php
+++ b/web/reinfo.php
@@ -53,6 +53,14 @@ $result = pdo_query($sql,$id);
 $row = $result[0];
 $lang = $row['language'];
 $contest_id = intval($row['contest_id']);
+$problem_id = intval($row['problem_id']);
+$problem_num = intval($row['num']);
+$view_resubmit_url = "submitpage.php?id=".$problem_id."&sid=".intval($id);
+$view_problem_url = "problem.php?id=".$problem_id;
+if($contest_id > 0){
+  $view_resubmit_url = "submitpage.php?cid=".$contest_id."&pid=".$problem_num."&sid=".intval($id);
+  $view_problem_url = "problem.php?cid=".$contest_id."&pid=".$problem_num;
+}
 $isRE = $row['result']==10;
 $isAC = $row['result']==4 ;
 $mark=$row['pass_rate']*100;
diff --git a/web/template/syzoj/reinfo.php b/web/template/syzoj/reinfo.php
index 0b6d1f4..c1ff8d2 100644
--- a/web/template/syzoj/reinfo.php
+++ b/web/template/syzoj/reinfo.php
@@ -358,13 +358,13 @@ i.icon.spinning {
             <?php echo isset($MSG_QUICK_ACTIONS) ? $MSG_QUICK_ACTIONS : '快捷操作'; ?>
         </div>
         <div class="ui buttons">
-            <a class="ui blue button" href="submitpage.php?id=<?php echo intval($row['problem_id']) ?>">
+            <a class="ui blue button" href="<?php echo htmlspecialchars($view_resubmit_url, ENT_QUOTES, 'UTF-8') ?>">
                 <i class="edit icon"></i> <?php echo isset($MSG_RESUBMIT) ? $MSG_RESUBMIT : '重新提交'; ?>
             </a>
             <a class="ui button" href="showsource.php?id=<?php echo intval($id) ?>">
                 <i class="code icon"></i> <?php echo isset($MSG_VIEW_SOURCE) ? $MSG_VIEW_SOURCE : '查看我的代码'; ?>
             </a>
-            <a class="ui button" href="problem.php?id=<?php echo intval($row['problem_id']) ?>">
+            <a class="ui button" href="<?php echo htmlspecialchars($view_problem_url, ENT_QUOTES, 'UTF-8') ?>">
                 <i class="info circle icon"></i> <?php echo isset($MSG_VIEW_PROBLEM) ? $MSG_VIEW_PROBLEM : '查看题目'; ?>
             </a>