diff --git a/main/main.cpp b/main/main.cpp
index 2465fa3..b90c216 100644
--- a/main/main.cpp
+++ b/main/main.cpp
@@ -32,12 +32,13 @@ int main(int argc, char *argv[]) {
     Windows_SetCrashHandler();
 #endif
 
-    QApplication a(argc, argv);
+    // pre-init QApplication
 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     QApplication::setAttribute(Qt::AA_DisableWindowContextHelpButton);
 #endif
     QApplication::setAttribute(Qt::AA_DontUseNativeDialogs);
     QApplication::setQuitOnLastWindowClosed(false);
+    auto preQApp = new QApplication(argc, argv);
 
     // Clean
     QDir::setCurrent(QApplication::applicationDirPath());
@@ -74,6 +75,16 @@ int main(int argc, char *argv[]) {
     QDir::setCurrent(wd.absoluteFilePath("config"));
     QDir("temp").removeRecursively();
 
+    // HiDPI workaround
+    if (ReadFileText("./groups/HiDPI").toInt() == 1) {
+        QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+        QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
+    }
+
+    // init QApplication
+    delete preQApp;
+    QApplication a(argc, argv);
+
     // RunGuard
     RunGuard guard("nekoray" + wd.absolutePath());
     quint64 guard_data_in = GetRandomUint64();
diff --git a/translations/fa_IR.ts b/translations/fa_IR.ts
index 04a18ad..ce5a2a4 100644
--- a/translations/fa_IR.ts
+++ b/translations/fa_IR.ts
@@ -229,6 +229,10 @@
         <source>Password</source>
         <translation type="unfinished"></translation>
     </message>
+    <message>
+        <source>Maybe useful for HiDPI screens.</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
     <name>DialogEditGroup</name>
diff --git a/translations/zh_CN.ts b/translations/zh_CN.ts
index d3c918e..13659b8 100644
--- a/translations/zh_CN.ts
+++ b/translations/zh_CN.ts
@@ -227,6 +227,10 @@
         <source>Password</source>
         <translation>密码</translation>
     </message>
+    <message>
+        <source>Maybe useful for HiDPI screens.</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
     <name>DialogEditGroup</name>
diff --git a/ui/dialog_basic_settings.cpp b/ui/dialog_basic_settings.cpp
index b31565d..21b2421 100644
--- a/ui/dialog_basic_settings.cpp
+++ b/ui/dialog_basic_settings.cpp
@@ -54,6 +54,7 @@ public:
 DialogBasicSettings::DialogBasicSettings(QWidget *parent)
     : QDialog(parent), ui(new Ui::DialogBasicSettings) {
     ui->setupUi(this);
+    ADD_ASTERISK(this);
 
     // Common
 
@@ -142,6 +143,20 @@ DialogBasicSettings::DialogBasicSettings(QWidget *parent)
         mainwindow->repaint();
         NekoRay::dataStore->Save();
     });
+    //
+    ui->AA_EnableHighDpiScaling->setChecked(ReadFileText("groups/HiDPI").toInt() == 1);
+    connect(ui->AA_EnableHighDpiScaling, &QCheckBox::clicked, this, [=](bool checked) {
+        QFile file;
+        file.setFileName("groups/HiDPI");
+        file.open(QIODevice::ReadWrite | QIODevice::Truncate);
+        if (checked) {
+            file.write("1");
+        } else {
+            file.write("0");
+        }
+        file.close();
+        MessageBoxWarning(tr("Settings changed"), tr("Restart nekoray to take effect."));
+    });
 
     // Subscription
 
diff --git a/ui/dialog_basic_settings.ui b/ui/dialog_basic_settings.ui
index c0ff10c..6c3a677 100644
--- a/ui/dialog_basic_settings.ui
+++ b/ui/dialog_basic_settings.ui
@@ -443,7 +443,7 @@
         </layout>
        </item>
        <item row="5" column="0">
-        <layout class="QHBoxLayout" name="horizontalLayout_24" stretch="1,1">
+        <layout class="QHBoxLayout" name="horizontalLayout_24">
          <item>
           <widget class="QGroupBox" name="groupBox_2">
            <layout class="QHBoxLayout" name="horizontalLayout_23">
@@ -455,23 +455,33 @@
              </widget>
             </item>
             <item>
-             <widget class="QLineEdit" name="max_log_line"/>
+             <widget class="QLineEdit" name="max_log_line">
+              <property name="sizePolicy">
+               <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+                <horstretch>0</horstretch>
+                <verstretch>0</verstretch>
+               </sizepolicy>
+              </property>
+             </widget>
             </item>
            </layout>
           </widget>
          </item>
          <item>
-          <spacer name="horizontalSpacer">
-           <property name="orientation">
-            <enum>Qt::Horizontal</enum>
-           </property>
-           <property name="sizeHint" stdset="0">
-            <size>
-             <width>0</width>
-             <height>0</height>
-            </size>
-           </property>
-          </spacer>
+          <widget class="QGroupBox" name="groupBox_3">
+           <layout class="QHBoxLayout" name="horizontalLayout_25">
+            <item>
+             <widget class="QCheckBox" name="AA_EnableHighDpiScaling">
+              <property name="toolTip">
+               <string>Maybe useful for HiDPI screens.</string>
+              </property>
+              <property name="text">
+               <string notr="true">Qt::AA_EnableHighDpiScaling</string>
+              </property>
+             </widget>
+            </item>
+           </layout>
+          </widget>
          </item>
         </layout>
        </item>