fix: update fingerprint enrollment error handling and UI logic

src/plugin-authentication/operation/abstractbiometriccontroller.h

@@ -1,4 +1,4 @@
-//SPDX-FileCopyrightText: 2025 UnionTech Software Technology Co., Ltd.
+//SPDX-FileCopyrightText: 2025 - 2026 UnionTech Software Technology Co., Ltd.
 //
 //SPDX-License-Identifier: GPL-3.0-or-later
 
@@ -18,17 +18,15 @@
     explicit AbstractBiometricController(QObject *parent = nullptr);
     virtual ~AbstractBiometricController() = default;
 
     CharaMangerModel::AddInfoState addStage() const { return m_addStage; }
     void setAddStage(CharaMangerModel::AddInfoState stage);
 
-    // 纯虚函数，子类必须实现
     virtual void startEnroll() = 0;
     virtual void stopEnroll() = 0;
     virtual void rename(const QString &oldName, const QString &newName) = 0;
     virtual void remove(const QString &id) = 0;
 
-    // 虚函数，子类可以选择性重写
     virtual bool isAvailable() const { return true; }
     virtual QString getTypeName() const = 0;
 
 signals:

src/plugin-authentication/operation/charamangermodel.cpp

@@ -1,4 +1,4 @@
-//SPDX-FileCopyrightText: 2025 UnionTech Software Technology Co., Ltd.
+//SPDX-FileCopyrightText: 2025 - 2026 UnionTech Software Technology Co., Ltd.
 //
 //SPDX-License-Identifier: GPL-3.0-or-later
 
@@ -131,7 +131,7 @@ void CharaMangerModel::onFingerEnrollStatusChanged(int code, const QString& msg)
     case ET_Failed: {
         m_progress = 0;
         QString title = tr("Scan failed");
-        QString msg = "";
+        QString msg = tr("Scan suspended");
         do {
             QStringList keys = jsonObject.keys();
             if (!keys.contains("subcode")) {

src/plugin-authentication/operation/fingerprintauthcontroller.cpp

@@ -1,4 +1,4 @@
-//SPDX-FileCopyrightText: 2025 UnionTech Software Technology Co., Ltd.
+//SPDX-FileCopyrightText: 2025 - 2026 UnionTech Software Technology Co., Ltd.
 //
 //SPDX-License-Identifier: GPL-3.0-or-later
 
@@ -157,6 +157,7 @@ void FingerprintAuthController::onFingerEnrollFailed(const QString &title, const
 {
     m_fingerTipTitle = title;
     m_fingerTipMessage = msg;
+    m_fingertipImagePath = "user_biometric_fingerprint_lose";
     setAddStage(CharaMangerModel::Fail);
     emit fingerTipsChanged();
     stopEnroll();
@@ -181,6 +182,9 @@ void FingerprintAuthController::onFingerEnrollDisconnected()
 
 void FingerprintAuthController::onFingerLiftTimerTimeout()
 {
+    if (m_addStage == CharaMangerModel::Fail || m_addStage == CharaMangerModel::Success) {
+        return;
+    }
     QString m_defTitle;
     QString m_defTip;
     if (m_fingerPro > 0 && m_fingerPro < 35) {
@@ -201,6 +205,9 @@ void FingerprintAuthController::onFingerLiftTimerTimeout()
 
 void FingerprintAuthController::onFingerAniValueChanged(const QVariant &index)
 {
+    if (m_addStage == CharaMangerModel::Fail) {
+        return;
+    }
     if (index == 150) {
         m_fingertipImagePath = "user_biometric_fingerprint_success";
     } else {

src/plugin-authentication/qml/AddFingerDialog.qml

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: 2025 UnionTech Software Technology Co., Ltd.
+// SPDX-FileCopyrightText: 2025 - 2026 UnionTech Software Technology Co., Ltd.
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 import QtQuick 2.15
@@ -27,6 +27,12 @@ D.DialogWindow {
         }
     }
 
+    onActiveChanged: function() {
+        if (listview.currentIndex == 1 && !active) {
+            dccData.fingerprintController.stopEnroll()
+        }
+    }
+
     D.ListView {
         id: listview
         implicitWidth: dialog.width - dialog.leftPadding - dialog.rightPadding