diff --git a/test.php b/test.php
index 46c8f1e..391ce13 100644
--- a/test.php
+++ b/test.php
@@ -69,5 +69,5 @@
     //};
     //echo "每题一分： your score is ".$g."<br />";
     //close linking
-    mysql_close($con);
+    mysqli_close($con);
 ?>
\ No newline at end of file