diff --git a/web/problemset.php b/web/problemset.php
index 79e5fef..6af8251 100644
--- a/web/problemset.php
+++ b/web/problemset.php
@@ -68,9 +68,11 @@ $sub_arr = array();
 $acc_arr = array();
 if (isset($_SESSION[$OJ_NAME . '_' . 'user_id'])) {
 	$user_id = $_SESSION[$OJ_NAME . '_' . 'user_id'];
+	echo "<div>" . "user_id" . " " . $user_id . "</div>";
 	// 管理员可以选择看谁的对错信息
 	if (isset($_SESSION[$OJ_NAME . '_' . 'administrator']) && isset($_GET['query_user_id'])) {
 		$user_id = $_GET['query_user_id'];
+		echo "<div>" . "query_user_id" . " " . $query_user_id . "</div>";
 	}
 	$sql = "SELECT problem_id, MIN(result) AS result FROM solution WHERE user_id=? and result>=4 GROUP BY problem_id ";
 	$result = pdo_query($sql, $user_id);