diff --git a/ranking.js b/ranking.js
index 1b2a6b5..9b0b4ae 100644
--- a/ranking.js
+++ b/ranking.js
@@ -1,14 +1,25 @@
-const pool = require('../db');
-
-async function getRanking(req, res) {
-    try {
-        const connection = await pool.getConnection();
-        const [ranking] = await connection.query('SELECT student_name, student_id, score, call_count FROM students ORDER BY score DESC');
-        connection.release();
-        res.send({ ranking });
-    } catch (error) {
-        res.status(500).send({ error: '无法获取排名' });
-    }
-}
-
-module.exports = { getRanking };
+const pool = require('../db');
+
+async function get_descend_Ranking(req, res) {
+    try {
+        const connection = await pool.getConnection();
+        const [ranking] = await connection.query('SELECT student_name, student_id, score FROM students ORDER BY score DESC');
+        connection.release();
+        res.json(ranking);
+    } catch (error) {
+        res.status(500).send({ error: '无法获取排名' });
+    }
+}
+
+async function get_ascend_Ranking(req, res) {
+    try {
+        const connection = await pool.getConnection();
+        const [ranking] = await connection.query('SELECT student_name, student_id, score FROM students ORDER BY score ASC');
+        connection.release();
+        res.json(ranking);
+    } catch (error) {
+        res.status(500).send({ error: '无法获取排名' });
+    }
+}
+
+module.exports = { get_ascend_Ranking, get_descend_Ranking };