diff --git a/app/src/main/java/org/distrinet/lanshield/ui/openports/OpenPortsScreen.kt b/app/src/main/java/org/distrinet/lanshield/ui/openports/OpenPortsScreen.kt
index a1471ac..ef0d0eb 100644
--- a/app/src/main/java/org/distrinet/lanshield/ui/openports/OpenPortsScreen.kt
+++ b/app/src/main/java/org/distrinet/lanshield/ui/openports/OpenPortsScreen.kt
@@ -186,7 +186,7 @@ private fun LANShieldNotActive(modifier: Modifier = Modifier) {
         Spacer(modifier = Modifier.height(48.dp))
 
         Text(
-            text = "LANShield not active",
+            stringResource(R.string.LANShield_not_active),
             modifier = Modifier.fillMaxWidth(),
             textAlign = TextAlign.Center,
             style = MaterialTheme.typography.titleMedium,
diff --git a/app/src/main/java/org/distrinet/lanshield/ui/overview/OverviewScreen.kt b/app/src/main/java/org/distrinet/lanshield/ui/overview/OverviewScreen.kt
index 4d30089..b23a542 100644
--- a/app/src/main/java/org/distrinet/lanshield/ui/overview/OverviewScreen.kt
+++ b/app/src/main/java/org/distrinet/lanshield/ui/overview/OverviewScreen.kt
@@ -235,7 +235,10 @@ internal fun OverviewScreen(
                                 contentDescription = vpnNotificationContentDescription
                             }
                     ) {
-                        Text("Why is there a VPN notification?", textAlign = TextAlign.Center)
+                        Text(
+                            stringResource(R.string.why_is_there_a_vpn_notification),
+                            textAlign = TextAlign.Center
+                            )
                     }
                 }
 
diff --git a/app/src/main/res/drawable/ic_launcher_monochrome.xml b/app/src/main/res/drawable/ic_launcher_monochrome.xml
new file mode 100644
index 0000000..f2b0d5c
--- /dev/null
+++ b/app/src/main/res/drawable/ic_launcher_monochrome.xml
@@ -0,0 +1,57 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+
+    <!-- 宽版圆润盾牌 -->
+    <path
+        android:fillColor="#00000000"
+        android:strokeColor="#FFFFFFFF"
+        android:strokeWidth="3.2"
+        android:strokeLineCap="round"
+        android:strokeLineJoin="round"
+        android:pathData="M 54,28
+                          C 63,33 72,35 80,35
+                          C 80,50 75,64 54,79
+                          C 33,64 28,50 28,35
+                          C 36,35 45,33 54,28 Z" />
+
+    <!-- 弧线 1（更平缓舒展的顶部大弧） -->
+    <path
+        android:fillColor="#00000000"
+        android:strokeColor="#FFFFFFFF"
+        android:strokeWidth="3.0"
+        android:strokeLineCap="round"
+        android:pathData="M 36.5,43.5 C 41.5,39.5 47.5,38 54,38 C 60.5,38 66.5,39.5 71.5,43.5" />
+
+    <!-- 弧线 2 -->
+    <path
+        android:fillColor="#00000000"
+        android:strokeColor="#FFFFFFFF"
+        android:strokeWidth="3.0"
+        android:strokeLineCap="round"
+        android:pathData="M 40.5,49.5 C 44.5,46 49,44.5 54,44.5 C 59,44.5 63.5,46 67.5,49.5" />
+
+    <!-- 弧线 3 -->
+    <path
+        android:fillColor="#00000000"
+        android:strokeColor="#FFFFFFFF"
+        android:strokeWidth="3.0"
+        android:strokeLineCap="round"
+        android:pathData="M 44.5,55.5 C 47.5,52.8 50.5,51.5 54,51.5 C 57.5,51.5 60.5,52.8 63.5,55.5" />
+
+    <!-- 弧线 4（内层微弧） -->
+    <path
+        android:fillColor="#00000000"
+        android:strokeColor="#FFFFFFFF"
+        android:strokeWidth="3.0"
+        android:strokeLineCap="round"
+        android:pathData="M 48.5,61.5 C 50.2,59.8 52,59 54,59 C 56,59 57.8,59.8 59.5,61.5" />
+
+    <!-- 底部发射圆点 -->
+    <path
+        android:fillColor="#FFFFFFFF"
+        android:pathData="M 54,66
+                          A 2.5,2.5 0 1,0 54.01,66 Z" />
+</vector>
\ No newline at end of file
diff --git a/app/src/main/res/mipmap-anydpi-v26/logo.xml b/app/src/main/res/mipmap-anydpi-v26/logo.xml
index 16a18b9..c0ccd7a 100644
--- a/app/src/main/res/mipmap-anydpi-v26/logo.xml
+++ b/app/src/main/res/mipmap-anydpi-v26/logo.xml
@@ -2,4 +2,5 @@
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
     <background android:drawable="@color/logo_background"/>
     <foreground android:drawable="@mipmap/logo_foreground"/>
-</adaptive-icon>
\ No newline at end of file
+    <monochrome android:drawable="@drawable/ic_launcher_monochrome"/>
+</adaptive-icon>
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
new file mode 100644
index 0000000..b98a76d
--- /dev/null
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -0,0 +1,141 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="about">关于</string>
+    <string name="about_lanshield">关于 LANShield</string>
+    <string name="agree">同意</string>
+    <string name="all">全部</string>
+    <string name="allow">允许</string>
+    <string name="allowed">已允许</string>
+    <string name="allow_notifications">允许通知</string>
+    <string name="open_notification_settings">打开通知设置</string>
+    <string name="notifications_enabled">通知已启用</string>
+    <string name="allow_local_network">允许本地网络访问</string>
+    <string name="local_network_granted">已授予权限</string>
+    <string name="open_app_settings">打开应用设置</string>
+    <string name="local_network_access">本地网络访问</string>
+    <string name="intro_local_network">授予“附近设备”权限后，LANShield 才能为您的应用转发本地网络流量。</string>
+    <string name="alter_blocking_policy_on_a_per_app_basis">按单个应用修改拦截策略</string>
+    <string name="anonymous_sharing">匿名共享</string>
+    <string name="any_detected_lan_traffic_will_be_shown_here">检测到的所有局域网流量\n都将在此处显示</string>
+    <string name="app_name">LANShield</string>
+    <string name="automatically_start_on_boot">开机自启动</string>
+    <string name="back">返回</string>
+    <string name="block">拦截</string>
+    <string name="block_or_allow_lan_traffic_by_default">默认拦截或允许局域网流量</string>
+    <string name="blocked">已拦截</string>
+    <string name="cancel">取消</string>
+    <string name="cancel_search">取消搜索</string>
+    <string name="change_lan_access_policy">修改局域网访问策略</string>
+    <string name="check_clear_flows">确定要清除 %1$s 的所有受监控局域网流量记录吗？此操作无法撤销。</string>
+    <string name="choose_whether_lan_traffic_should_be_allowed_or_blocked_by_default">选择默认应允许还是拦截局域网流量</string>
+    <string name="clear_all">全部清除</string>
+    <string name="clear_lan_traffic">清除局域网流量记录</string>
+    <string name="configure_lan_access_for">"配置局域网访问权限："</string>
+    <string name="confirm">确认</string>
+    <string name="default_policy">默认策略</string>
+    <string name="default_x">默认</string>
+    <string name="detected_protocol">检测到协议：%1$s</string>
+    <string name="detected_protocols">检测到协议：%1$s</string>
+    <string name="disagree">不同意</string>
+    <string name="dismiss">忽略</string>
+    <string name="enable_always_on">启用始终开启</string>
+    <string name="end_with_timestamp">结束时间：%1$s</string>
+    <string name="enjoy_using_lanshield">"欢迎使用 LANShield！"</string>
+    <string name="exceptions">例外规则</string>
+    <string name="feedback">反馈</string>
+    <string name="finish">完成</string>
+    <string name="get_notified">接收通知</string>
+    <string name="give_feedback">提交反馈</string>
+    <string name="in_with_amount_bytes">入站：%1$s</string>
+    <string name="individual_lan_traffic">单个应用局域网流量</string>
+    <string name="individual_lan_traffic_explanation">待补充 individual_lan_traffic_explanation</string>
+    <string name="info">信息</string>
+    <string name="intro_default_policy">"首先，您需要选择默认是拦截还是允许局域网访问。之后您可以针对各个应用单独覆盖此规则。"</string>
+    <string name="intro_finished_feedback">"有任何反馈意见吗？您可以在“设置”标签页中向我们提交！"</string>
+    <string name="intro_notification">"当应用首次尝试访问您的本地网络时，LANShield 会发送通知，以便您决定允许或拦截。通知仅用于此类本地网络访问事件。"</string>
+    <string name="intro_share_app_usage_content">"为了让我们更深入地了解应用行为，我们希望获知哪些应用在使用过程中并未尝试访问局域网。为此，您可以选择与我们共享您的应用使用情况数据。"</string>
+    <string name="intro_share_app_usage_title">共享应用使用情况</string>
+    <string name="intro_share_lan_metrics">"LANShield 是比利时鲁汶大学（KU Leuven）的一项学术研究项目。通过共享设备上应用与本地网络交互的数据，您可以帮助我们了解应用访问局域网的原因。所有数据均完全匿名化，绝不会外泄或出售。"</string>
+    <string name="intro_welcome">"您连接的本地网络中通常连接有打印机、摄像头、音响等各类设备。LANShield 可以让您自主掌控哪些应用可以访问它们，哪些不能。"</string>
+    <string name="intro_welcome_vpn_reassurance">LANShield 通过建立本地虚拟 VPN 接口在设备端过滤局域网流量。您会在状态栏看到 VPN 图标，但没有任何数据会被发送至外部互联网。</string>
+    <string name="join_our_academic_study">参与我们的学术研究</string>
+    <string name="join_user_study">参与用户调研</string>
+    <string name="join_our_academic_study_by_ku_leuven">参与鲁汶大学（KU Leuven）学术研究</string>
+    <string name="lan_traffic">局域网流量</string>
+    <string name="lan_traffic_blocking">局域网流量拦截</string>
+    <string name="lan_traffic_blocking_info">您可以在此配置 LANShield 应如何拦截或允许局域网流量。在“单应用例外”页面中，您可以为设备上的每个应用单独设定规则。若未设定单独规则，则应用“默认策略”。建议不要拦截系统应用，否则可能导致某些系统功能异常。</string>
+    <string name="lan_traffic_from_with_package_name">来自 %1$s 的局域网流量</string>
+    <string name="lan_traffic_info">此处概览了所有发送或接收过局域网流量的应用。在某些情况下，LANShield 无法确定具体是哪个应用发送了特定数据包，这些流量将被归类为“未知”。</string>
+    <string name="lanshield_enabled">LANShield 已启用</string>
+    <string name="lanshield_start_failed_title">无法启动 LANShield</string>
+    <string name="lanshield_start_failed_text">局域网防火墙未能启动，请重试。</string>
+    <string name="vpn_consent_missing_text">LANShield 不再具备作为 VPN 运行的权限。点按即可打开 LANShield 并重新启用。</string>
+    <string name="lanshield_lets_you_control_lan_access_of_other_apps">LANShield 助您管控\n其他应用的局域网访问权限</string>
+    <string name="lanshield_logo">LANShield 徽标</string>
+    <string name="last_24h_with_bytes">过去 24 小时：%1$s</string>
+    <string name="last_seen_with_timestamp">最近活跃：%1$s</string>
+    <string name="learn_more_on_lanshield_eu">前往 lanshield.eu 了解更多</string>
+    <string name="why_is_there_a_vpn_notification">为什么会显示 VPN 通知？</string>
+    <string name="logo">徽标</string>
+    <string name="manage_notifications">管理通知</string>
+    <string name="manually_allowed_app_with_amount">手动允许了 %1$s 个应用%2$s</string>
+    <string name="manually_blocked_app_with_amount">手动拦截了 %1$s 个应用%2$s</string>
+    <string name="more_info">更多信息</string>
+    <string name="next">下一步</string>
+    <string name="no_lan_traffic_detected">未检测到局域网流量</string>
+    <string name="notifications">通知</string>
+    <string name="out_with_amount_bytes">出站：%1$s</string>
+    <string name="overview">概览</string>
+    <string name="overview_always_on_info_dialog">若要在设备重启后自动启动 LANShield，请在下一步的 LANShield VPN 设置界面中勾选“始终开启的 VPN”选项。</string>
+    <string name="overview_vpn_notification_info_dialog">为了防护您的局域网流量，LANShield 使用虚拟本地 VPN 连接来管控设备上其他应用的局域网访问。虽然您会看到系统 VPN 通知，但不会建立连接到外部互联网的 VPN 隧道。</string>
+    <string name="overview_vpn_permission_info_dialog">为了防护您的局域网流量，LANShield 需要建立一个虚拟本地 VPN 接口。在下一步中，系统将请求您授予此权限。应用不会建立连接到外部互联网的 VPN 隧道。</string>
+    <string name="peer">对端：%1$s - %2$s</string>
+    <string name="per_app_exceptions">单应用例外</string>
+
+    <string name="allow_multicast_traffic">允许组播流量</string>
+    <string name="allow_dns_traffic">允许 DNS 流量</string>
+    <string name="hide_multicast_notification">隐藏组播通知</string>
+    <string name="hide_dns_notification">隐藏 DNS 通知</string>
+
+    <string name="per_app_policies_info">"您可以在此为各个应用单独配置允许或拦截局域网流量。"</string>
+    <string name="policy_allow_lan_traffic">策略：允许局域网流量</string>
+    <string name="policy_block_lan_traffic">策略：拦截局域网流量</string>
+    <string name="previous">上一步</string>
+    <string name="privacy_policy">隐私政策</string>
+    <string name="search">搜索</string>
+    <string name="share">共享</string>
+    <string name="set_a_default_policy">设置默认策略</string>
+    <string name="settings">设置</string>
+    <string name="skip">跳过</string>
+    <string name="continue_label">继续</string>
+    <string name="settings_share_app_usage_info_dialog">共享应用使用情况可帮助我们识别哪些应用从未尝试访问本地网络。若要继续，请在接下来的界面中找到 LANShield 并选择“允许”。</string>
+    <string name="share_anonymous_app_usage">共享匿名应用使用情况</string>
+    <string name="share_anonymous_lan_metrics">共享匿名局域网指标</string>
+    <string name="sharing">共享中\n</string>
+    <string name="sharing_app_usage">共享应用使用情况</string>
+    <string name="show_system_apps">显示系统应用</string>
+    <string name="start_with_timestamp">开始时间：%1$s</string>
+    <string name="system_apps">系统应用</string>
+    <string name="title_activity_main">MainActivity</string>
+    <string name="total_with_bytes">总计：%1$s</string>
+    <string name="unknown">未知</string>
+    <string name="vpn_notification">VPN 通知</string>
+    <string name="why_vpn_icon">为什么会有 VPN 图标？</string>
+    <string name="vpn_permission_request">VPN 权限申请</string>
+    <string name="notification_permission_required">LANShield 需要通知权限才能运行。请启用通知以开启防护。</string>
+    <string name="local_network_permission_required">LANShield 需要“附近设备”权限才能向本地网络转发流量。</string>
+    <string name="local_network_permission_missing_title">缺少本地网络权限</string>
+    <string name="local_network_permission_missing_text">LANShield 需要“附近设备”权限才能向本地网络转发流量。点按即可打开 LANShield 并授予该权限。</string>
+    <string name="you_re_all_set">准备就绪！</string>
+    <string name="export">导出局域网流量</string>
+    <string name="advanced">高级设置</string>
+    <string name="general">常规设置</string>
+    <string name="any_detected_open_ports_will_be_shown_here">检测到的所有开放端口都将在此处显示</string>
+    <string name="no_open_ports_detected">未检测到开放端口</string>
+    <string name="open_ports">开放端口</string>
+    <string name="LANShield_not_active">LANShield 未开启</string>
+    <string name="open_ports_info">此处列出了其他应用打开的端口。这些端口通常用于与同一局域网内的其他设备通信，例如设备发现或媒体串流。</string>
+    <string name="pull_down_to_refresh">下拉即可刷新</string>
+    <string name="learn_more_on_lanshield_eu_opens_in_browser">前往 lanshield.eu 了解详情（在浏览器中打开）</string>
+    <string name="why_is_there_a_vpn_notification_opens_explanation_dialog">为什么会显示 VPN 通知？（打开说明弹窗）</string>
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 74f333d..7291b44 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -75,6 +75,7 @@
     <string name="last_24h_with_bytes">Last 24h: %1$s</string>
     <string name="last_seen_with_timestamp">Last seen: %1$s</string>
     <string name="learn_more_on_lanshield_eu">Learn more on lanshield.eu</string>
+    <string name="why_is_there_a_vpn_notification">Why is there a VPN notification?</string>
     <string name="logo">Logo</string>
     <string name="manage_notifications">Manage notifications</string>
     <string name="manually_allowed_app_with_amount">Manually allowed %1$s app%2$s</string>
@@ -132,6 +133,7 @@
     <string name="any_detected_open_ports_will_be_shown_here">Any detected open ports will be shown here</string>
     <string name="no_open_ports_detected">No open ports detected</string>
     <string name="open_ports">Open Ports</string>
+    <string name="LANShield_not_active">LANShield not active</string>
     <string name="open_ports_info">Here you can see a list of ports opened by other apps. These are typically used to communicate with other devices on the same local network, such as for device discovery or media streaming.</string>
     <string name="pull_down_to_refresh">⬇ Pull down to refresh</string>
     <string name="learn_more_on_lanshield_eu_opens_in_browser">Learn more on lanshield.eu, opens in browser</string>