diff --git a/app.py b/app.py
index d79fdee..b11daf1 100644
--- a/app.py
+++ b/app.py
@@ -34,6 +34,14 @@ def download_file(filename):
         abort(404)
 
 
+@app.route("/exp/<path:filename>", methods=["GET"])
+def exp(filename):
+    try:
+        return send_from_directory("exp", filename, as_attachment=True)
+    except FileNotFoundError:
+        abort(404)
+
+
 def write_to_csv(data):
     """
     将成绩记录写入 CSV 文件。
@@ -74,4 +82,4 @@ def get_scores():
 
 
 if __name__ == "__main__":
-    app.run(host="0.0.0.0", port=880)
+    app.run(host="0.0.0.0", port=880, debug=True)