diff --git a/src/appearance.cpp b/src/appearance.cpp
index f43558b..e77f433 100644
--- a/src/appearance.cpp
+++ b/src/appearance.cpp
@@ -25,6 +25,9 @@
 #include <QDBusServiceWatcher>
 #include <QDBusPendingCall>
 
+#include <QStandardPaths>
+#include <QDebug>
+
 Appearance::Appearance(QObject *parent)
     : QObject(parent)
     , m_interface("org.cutefish.Settings",
@@ -32,16 +35,22 @@ Appearance::Appearance(QObject *parent)
                   "org.cutefish.Theme",
                   QDBusConnection::sessionBus())
     , m_dockSettings(new QSettings(QSettings::UserScope, "cutefishos", "dock"))
+    , m_kwinSettings(new QSettings(QStandardPaths::writableLocation(QStandardPaths::ConfigLocation) + "/kwinrc",
+                                   QSettings::IniFormat))
     , m_dockConfigWacher(new QFileSystemWatcher(this))
     , m_dockIconSize(0)
     , m_dockDirection(0)
     , m_dockVisibility(0)
     , m_fontPointSize(11)
+    , m_systemEffects(false)
 {
+    m_kwinSettings->beginGroup("Compositing");
+
     m_dockIconSize = m_dockSettings->value("IconSize").toInt();
     m_dockDirection = m_dockSettings->value("Direction").toInt();
     m_dockVisibility = m_dockSettings->value("Visibility").toInt();
     m_dockRoundedWindow = m_dockSettings->value("RoundedWindow").toBool();
+    m_systemEffects = !m_kwinSettings->value("OpenGLIsUnsafe", false).toBool();
 
     m_dockConfigWacher->addPath(m_dockSettings->fileName());
     connect(m_dockConfigWacher, &QFileSystemWatcher::fileChanged, this, [=] {
@@ -209,3 +218,19 @@ void Appearance::setDevicePixelRatio(double value)
         iface.call("setDevicePixelRatio", value);
     }
 }
+
+bool Appearance::systemEffects() const
+{
+    return m_systemEffects;
+}
+
+void Appearance::setSystemEffects(bool systemEffects)
+{
+    if (m_systemEffects != systemEffects) {
+        m_systemEffects = systemEffects;
+        m_kwinSettings->setValue("OpenGLIsUnsafe", !systemEffects);
+        m_kwinSettings->sync();
+        QDBusInterface("org.kde.KWin", "/KWin").call("reconfigure");
+        emit systemEffectsChanged();
+    }
+}
diff --git a/src/appearance.h b/src/appearance.h
index 4c4e79a..170ed36 100644
--- a/src/appearance.h
+++ b/src/appearance.h
@@ -35,6 +35,7 @@ class Appearance : public QObject
     Q_PROPERTY(bool dimsWallpaper READ dimsWallpaper WRITE setDimsWallpaper NOTIFY dimsWallpaperChanged)
     Q_PROPERTY(double devicePixelRatio READ devicePixelRatio WRITE setDevicePixelRatio NOTIFY devicePixelRatioChanged)
     Q_PROPERTY(bool dockRoundedWindow READ dockRoundedWindow WRITE setDockRoundedWindow NOTIFY dockRoundedWindowChanged)
+    Q_PROPERTY(bool systemEffects READ systemEffects WRITE setSystemEffects NOTIFY systemEffectsChanged)
 
 public:
     explicit Appearance(QObject *parent = nullptr);
@@ -67,6 +68,9 @@ public:
     double devicePixelRatio() const;
     Q_INVOKABLE void setDevicePixelRatio(double value);
 
+    bool systemEffects() const;
+    void setSystemEffects(bool systemEffects);
+
 signals:
     void dockIconSizeChanged();
     void dockDirectionChanged();
@@ -75,10 +79,12 @@ signals:
     void dimsWallpaperChanged();
     void devicePixelRatioChanged();
     void dockRoundedWindowChanged();
+    void systemEffectsChanged();
 
 private:
     QDBusInterface m_interface;
     QSettings *m_dockSettings;
+    QSettings *m_kwinSettings;
     QFileSystemWatcher *m_dockConfigWacher;
     bool m_dockRoundedWindow;
 
@@ -86,6 +92,8 @@ private:
     int m_dockDirection;
     int m_dockVisibility;
     int m_fontPointSize;
+
+    bool m_systemEffects;
 };
 
 #endif // APPEARANCE_H
diff --git a/src/language.cpp b/src/language.cpp
index c261584..54f3437 100644
--- a/src/language.cpp
+++ b/src/language.cpp
@@ -26,7 +26,7 @@
 #include <unicode/unistr.h>
 
 static const QStringList supportList = {"en_US", "en_GB", "de_DE", "cs_CZ", "es_ES",
-                                        "es_MX", "fa_IR", "fi_FI", "fr_FR",
+                                        "es_MX", "ar_AA", "bg_BG", "fa_IR", "fi_FI", "fr_FR",
                                         "uk_UA", "uz_UZ", "hu_HU", "hi_IN", "id_ID"
                                         "it_IT", "ja_JP", "nb_NO", "ne_NP", "pl_PL",
                                         "pt_BR", "pt_PT", "ru_RU", "sv_SE", "so",
diff --git a/src/qml/Appearance/Main.qml b/src/qml/Appearance/Main.qml
index 19c0392..75f7896 100644
--- a/src/qml/Appearance/Main.qml
+++ b/src/qml/Appearance/Main.qml
@@ -91,6 +91,25 @@ ItemPage {
                         rightPadding: 0
                     }
                 }
+
+                RowLayout {
+                    Label {
+                        text: qsTr("System effects")
+                        Layout.alignment: Qt.AlignVCenter | Qt.AlignLeft
+                    }
+
+                    Item {
+                        Layout.fillWidth: true
+                    }
+
+                    Switch {
+                        checked: appearance.systemEffects
+                        Layout.fillHeight: true
+                        Layout.alignment: Qt.AlignVCenter | Qt.AlignRight
+                        onCheckedChanged: appearance.systemEffects = checked
+                        rightPadding: 0
+                    }
+                }
             }
 
             RoundedItem {
diff --git a/translations/en_US.ts b/translations/en_US.ts
index d8411c1..7b72c78 100644
--- a/translations/en_US.ts
+++ b/translations/en_US.ts
@@ -137,7 +137,12 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/qml/Appearance/Main.qml" line="98"/>
+        <location filename="../src/qml/Appearance/Main.qml" line="97"/>
+        <source>System effects</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../src/qml/Appearance/Main.qml" line="117"/>
         <source>Accent color</source>
         <translation type="unfinished"></translation>
     </message>
diff --git a/translations/zh_CN.ts b/translations/zh_CN.ts
index 98c3a4e..ab68a36 100644
--- a/translations/zh_CN.ts
+++ b/translations/zh_CN.ts
@@ -137,7 +137,12 @@
         <translation>在深色模式下调暗壁纸</translation>
     </message>
     <message>
-        <location filename="../src/qml/Appearance/Main.qml" line="98"/>
+        <location filename="../src/qml/Appearance/Main.qml" line="97"/>
+        <source>System effects</source>
+        <translation>系统特效</translation>
+    </message>
+    <message>
+        <location filename="../src/qml/Appearance/Main.qml" line="117"/>
         <source>Accent color</source>
         <translation>强调色</translation>
     </message>