diff --git a/dcc-network/qml/SystemProxyConfigItem.qml b/dcc-network/qml/SystemProxyConfigItem.qml
index 59a07af9..18cc5169 100644
--- a/dcc-network/qml/SystemProxyConfigItem.qml
+++ b/dcc-network/qml/SystemProxyConfigItem.qml
@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: 2024 - 2027 UnionTech Software Technology Co., Ltd.
+// SPDX-FileCopyrightText: 2024 - 2026 UnionTech Software Technology Co., Ltd.
 // SPDX-License-Identifier: GPL-3.0-or-later
 import QtQuick 2.15
 import QtQuick.Controls 2.15
@@ -14,7 +14,7 @@ import org.deepin.dcc.network 1.0
 DccObject {
     id: root
     property var config: null
-    property bool hasAuth: config.auth
+    property bool hasAuth: !!(config && config.auth)
     property bool hasUrl: false
 
     property string errorKey: ""