diff --git a/frontend/src/pages/admin/AdminTasksPage.tsx b/frontend/src/pages/admin/AdminTasksPage.tsx
index 80f55db..68d6fa2 100644
--- a/frontend/src/pages/admin/AdminTasksPage.tsx
+++ b/frontend/src/pages/admin/AdminTasksPage.tsx
@@ -369,7 +369,7 @@ export default function AdminTasksPage() {
                 {isOpen && (
                   <div className="border-t border-gray-100">
                     {/* 表头 */}
-                    <div className="grid grid-cols-[16] gap-2 bg-gray-50 px-5 py-2 text-xs font-medium text-gray-500">
+                    <div className="grid gap-2 bg-gray-50 px-5 py-2 text-xs font-medium text-gray-500" style={{ gridTemplateColumns: "repeat(16, minmax(0, 1fr))" }}>
                       <div className="col-span-2">产品身份证</div>
                       <div className="col-span-1">序列号</div>
                       <div className="col-span-2">规格型号</div>
@@ -393,7 +393,7 @@ export default function AdminTasksPage() {
 
                       return (
                         <div key={p.id}>
-                          <div className="grid grid-cols-14 gap-2 border-t border-gray-50 px-5 py-3 items-center text-sm hover:bg-gray-50/50">
+                          <div className="grid gap-2 border-t border-gray-50 px-5 py-3 items-center text-sm hover:bg-gray-50/50" style={{ gridTemplateColumns: "repeat(16, minmax(0, 1fr))" }}>
                             <div className="col-span-2 font-mono text-xs font-semibold text-gray-800 tracking-wider cursor-pointer hover:text-blue-600 underline decoration-dotted" onClick={() => setQrSerial(p.serial_number)} title="点击查看二维码">{p.serial_number}</div>
                             <div className="col-span-1 font-mono text-xs text-gray-600 truncate">{p.external_serial || "—"}</div>
                             <div className="col-span-2 text-xs text-gray-500 truncate">{p.spec_model || p.material_name || p.material_id || "—"}</div>