修复打印和exam_id问题

package.json

@@ -4,7 +4,7 @@
   "description": "Electron application compatible with Windows 7",
   "main": "electron/main.js",
   "scripts": {
-    "dev": "concurrently \"vite\" \"wait-on tcp:5173 && electron .\"",
+    "dev": "concurrently \"vite --host\" \"wait-on tcp:5173 && electron .\"",
     "build": "vite build",
     "pack": "npm run build && electron-builder --dir",
     "pack:ia32": "npm run build && electron-builder --dir --ia32",
@@ -20,6 +20,7 @@
     "electron-log": "^5.4.3",
     "iconv-lite": "^0.7.0",
     "koffi": "^2.14.1",
+    "pdf-to-printer": "^5.6.1",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "react-pdf": "5.7.2",