diff --git a/web/controllers/api/Member.py b/web/controllers/api/Member.py
index eb02a2c..690c527 100644
--- a/web/controllers/api/Member.py
+++ b/web/controllers/api/Member.py
@@ -169,7 +169,11 @@ def download(filename):
     if request.method == "GET":
         if os.path.isfile(os.path.join('static', filename)):
             return send_from_directory('static', filename, as_attachment=True)
-        abort(404)
+        else:  # 如果更新包不存在
+            return jsonify({
+                'code': 404,
+                'msg': '找不到指定版本的安装包'
+            })
 
 @route_api.route("/member/ruilaizitest",methods = [ "GET","POST" ])
 def ruilaizitest():