hotfix: 修复模板字符串转义错误导致的编译失败

frontend/src/pages/ScanPage.tsx

@@ -71,7 +71,7 @@ export default function ScanPage() {
             <div className="mt-3 px-4">
               <div className="flex items-center gap-2 rounded-lg bg-white px-4 py-2.5 shadow-sm">
                 <span className="text-xs text-gray-400">宏观状态</span>
-                <span className={\`flex-1 text-sm font-bold \${product.overall_status ? "text-blue-600" : "text-red-500"}\`}>
+                <span className={`flex-1 text-sm font-bold ${product.overall_status ? "text-blue-600" : "text-red-500"}`}>
                   {product.overall_status || "未设定"}
                 </span>
               </div>