From 28723630742961663f264138a49972edb0508c72 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=8E=8B=E7=AB=8B=E5=B8=AE?= <3294713004@qq.com>
Date: Sun, 15 Dec 2024 01:57:17 +0800
Subject: [PATCH] =?UTF-8?q?Fix:=20=E4=BF=AE=E5=A4=8D=E5=9C=A8=E7=BA=BF?=
 =?UTF-8?q?=E7=89=88HID=E6=B7=BB=E5=8A=A0=E8=AE=BE=E5=A4=87=E6=97=B6?=
 =?UTF-8?q?=E6=9C=AA=E9=80=89=E6=8B=A9=E8=AE=BE=E5=A4=87=E4=B9=9F=E4=BC=9A?=
 =?UTF-8?q?=E6=96=B0=E5=A2=9E=E8=AE=BE=E5=A4=87=E7=9A=84=E9=97=AE=E9=A2=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 common/modules/mixly-modules/web/hid.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/common/modules/mixly-modules/web/hid.js b/common/modules/mixly-modules/web/hid.js
index 3a9ddd2f..116f602b 100644
--- a/common/modules/mixly-modules/web/hid.js
+++ b/common/modules/mixly-modules/web/hid.js
@@ -41,6 +41,9 @@ class WebHID extends Serial {
             const devices = await navigator.hid.requestDevice({
                 filters: []
             });
+            if (!devices.length) {
+                return;
+            }
             this.addPort(devices[0]);
             this.refreshPorts();
         }