fix(server): 赛事包导出传入项目名，修复 GET /api/export/project.zip 恒 500

web/display.html

@@ -3,6 +3,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <link rel="icon" type="image/png" href="/scoreboard.png" />
     <title>积分大屏</title>
   </head>
   <body>