diff --git a/app/api/pay/route.ts b/app/api/pay/route.ts
index 35c6ebf..a0e31c8 100644
--- a/app/api/pay/route.ts
+++ b/app/api/pay/route.ts
@@ -305,7 +305,7 @@ export async function POST(request: NextRequest) {
         /[&<>"']/g,
         (c) => ({ "&": "&amp;", "<": "&lt;", ">": "&gt;", '"': "&quot;", "'": "&#39;" })[c] || c
       );
-      const ch = String(resData.channel || "alipay").toLowerCase();
+      const ch = String(resData.channel || "wxpay").toLowerCase();
       const isWx = ch === "wxpay" || ch === "wx" || ch === "wechat";
       const title = isWx ? "微信扫码支付" : "支付宝扫码支付";
       const hint = isWx ? "请使用微信扫描下方二维码完成支付" : "请使用支付宝扫描下方二维码完成支付";