diff --git a/Plain Craft Launcher 2/Modules/Minecraft/ModLaunch.vb b/Plain Craft Launcher 2/Modules/Minecraft/ModLaunch.vb
index 14edb8a09..fc90ca1fd 100644
--- a/Plain Craft Launcher 2/Modules/Minecraft/ModLaunch.vb	
+++ b/Plain Craft Launcher 2/Modules/Minecraft/ModLaunch.vb	
@@ -119,10 +119,17 @@ Public Module ModLaunch
             '内存优化
             Select Case Setup.Get("VersionRamOptimize", Version:=McVersionCurrent)
                 Case 0 '全局
-                    If Setup.Get("LaunchArgumentRam") Then '使用全局设置
-                        CType(Loaders(2), LoaderCombo(Of String)).Block = False
-                        Loaders.Insert(3, New LoaderTask(Of Integer, Integer)("内存优化", AddressOf McLaunchMemoryOptimize) With {.ProgressWeight = 30})
-                    End If
+                    Select Case Setup.Get("LaunchArgumentRam") '使用全局设置
+                        Case 0 '关闭
+                        Case 1 '优化可安装 Mod 的版本
+                            If McVersionCurrent.Modable Then
+                                CType(Loaders(2), LoaderCombo(Of String)).Block = False
+                                Loaders.Insert(3, New LoaderTask(Of Integer, Integer)("内存优化", AddressOf McLaunchMemoryOptimize) With {.ProgressWeight = 30})
+                            End If
+                        Case 2 '优化所有版本
+                            CType(Loaders(2), LoaderCombo(Of String)).Block = False
+                            Loaders.Insert(3, New LoaderTask(Of Integer, Integer)("内存优化", AddressOf McLaunchMemoryOptimize) With {.ProgressWeight = 30})
+                    End Select
                 Case 1 '开启
                     CType(Loaders(2), LoaderCombo(Of String)).Block = False
                     Loaders.Insert(3, New LoaderTask(Of Integer, Integer)("内存优化", AddressOf McLaunchMemoryOptimize) With {.ProgressWeight = 30})
@@ -504,6 +511,7 @@ NextInner:
     End Sub
 
 #End Region
+
 #Region "分方式登录模块"
 
     '各个登录方式的主对象与输入构造
diff --git a/Plain Craft Launcher 2/Pages/PageSetup/ModSetup.vb b/Plain Craft Launcher 2/Pages/PageSetup/ModSetup.vb
index 28fcd3dff..a97b1a93b 100644
--- a/Plain Craft Launcher 2/Pages/PageSetup/ModSetup.vb	
+++ b/Plain Craft Launcher 2/Pages/PageSetup/ModSetup.vb	
@@ -100,7 +100,7 @@
         {"LaunchArgumentWindowWidth", New SetupEntry(854)},
         {"LaunchArgumentWindowHeight", New SetupEntry(480)},
         {"LaunchArgumentWindowType", New SetupEntry(1)},
-        {"LaunchArgumentRam", New SetupEntry(False, Source:=SetupSource.Registry)},
+        {"LaunchArgumentRam", New SetupEntry(0, Source:=SetupSource.Registry)},
         {"LaunchAdvanceJvm", New SetupEntry("-XX:+UseG1GC -XX:-UseAdaptiveSizePolicy -XX:-OmitStackTraceInFastThrow -Djdk.lang.Process.allowAmbiguousCommands=true -Dfml.ignoreInvalidMinecraftCertificates=True -Dfml.ignorePatchDiscrepancies=True -Dlog4j2.formatMsgNoLookups=true")},
         {"LaunchAdvanceGame", New SetupEntry("")},
         {"LaunchAdvanceRun", New SetupEntry("")},
diff --git a/Plain Craft Launcher 2/Pages/PageSetup/PageSetupLaunch.xaml b/Plain Craft Launcher 2/Pages/PageSetup/PageSetupLaunch.xaml
index 1416b8395..93777e356 100644
--- a/Plain Craft Launcher 2/Pages/PageSetup/PageSetupLaunch.xaml	
+++ b/Plain Craft Launcher 2/Pages/PageSetup/PageSetupLaunch.xaml	
@@ -135,9 +135,12 @@
                                       ToolTip="根据安装的 Mod 量与电脑剩余内存，动态调整为游戏分配的内存" ToolTipService.Placement="Right" ToolTipService.HorizontalOffset="-10" ToolTipService.VerticalOffset="-3" />
                         <local:MyRadioBox Grid.Row="2" Text="自定义" x:Name="RadioRamType1" Tag="LaunchRamType/1" Margin="0,0,20,0" />
                         <local:MySlider Grid.Row="2" Grid.Column="1" IsEnabled="False" x:Name="SliderRamCustom" Tag="LaunchRamCustom" MaxValue="49" Value="13" />
-                        <local:MyCheckBox Grid.Row="4" Grid.ColumnSpan="3" Text="启动游戏前进行内存优化" Height="22" x:Name="CheckArgumentRam" Tag="LaunchArgumentRam"
-                                      ToolTipService.Placement="Left" ToolTipService.HorizontalOffset="525" ToolTipService.VerticalOffset="-30"
-                                      ToolTip="内存优化能将当前物理内存占用降低约 1/3，不仅限于 MC！&#xa;如果使用机械硬盘，这还可能会导致一小段时间的严重卡顿。&#xa;使用 --memory 参数启动 PCL 可以静默执行内存优化。" />
+                        <TextBlock Grid.Row="4" Grid.Column="0" VerticalAlignment="Center" HorizontalAlignment="Left" Text="内存优化" />
+                        <local:MyComboBox x:Name="ComboArgumentRam" Tag="LaunchArgumentRam" Grid.Row="4" Grid.Column="1" Height="28">
+                            <local:MyComboBoxItem Content="启动游戏前不进行内存优化" IsSelected="True" />
+                            <local:MyComboBoxItem Content="优化可安装 Mod 的版本" />
+                            <local:MyComboBoxItem Content="优化所有版本" />
+                        </local:MyComboBox>
                         <!--<local:MyTextBox Grid.Row="2" Grid.Column="3" Width="100" VerticalAlignment="Center" Margin="30,0,0,0" Text="2048 MB" />-->
                     </Grid>
                     <Grid x:Name="PanRamDisplay" Margin="0,11,2,0" SnapsToDevicePixels="True" Grid.Row="1" Grid.ColumnSpan="2" Grid.Column="1">
diff --git a/Plain Craft Launcher 2/Pages/PageSetup/PageSetupLaunch.xaml.vb b/Plain Craft Launcher 2/Pages/PageSetup/PageSetupLaunch.xaml.vb
index cf7f5981e..44552bb54 100644
--- a/Plain Craft Launcher 2/Pages/PageSetup/PageSetupLaunch.xaml.vb	
+++ b/Plain Craft Launcher 2/Pages/PageSetup/PageSetupLaunch.xaml.vb	
@@ -43,7 +43,7 @@
             ComboArgumentWindowType.SelectedIndex = Setup.Get("LaunchArgumentWindowType")
             TextArgumentWindowWidth.Text = Setup.Get("LaunchArgumentWindowWidth")
             TextArgumentWindowHeight.Text = Setup.Get("LaunchArgumentWindowHeight")
-            CheckArgumentRam.Checked = Setup.Get("LaunchArgumentRam")
+            ComboArgumentRam.SelectedIndex = Setup.Get("LaunchArgumentRam")
             RefreshJavaComboBox()
 
             '游戏内存
@@ -111,10 +111,10 @@
     Private Shared Sub SliderChange(sender As MySlider, e As Object) Handles SliderRamCustom.Change
         If AniControlEnabled = 0 Then Setup.Set(sender.Tag, sender.Value)
     End Sub
-    Private Shared Sub ComboChange(sender As MyComboBox, e As Object) Handles ComboArgumentIndieV2.SelectionChanged, ComboArgumentVisibie.SelectionChanged, ComboArgumentWindowType.SelectionChanged, ComboArgumentPriority.SelectionChanged
+    Private Shared Sub ComboChange(sender As MyComboBox, e As Object) Handles ComboArgumentIndieV2.SelectionChanged, ComboArgumentVisibie.SelectionChanged, ComboArgumentWindowType.SelectionChanged, ComboArgumentPriority.SelectionChanged, ComboArgumentRam.SelectionChanged
         If AniControlEnabled = 0 Then Setup.Set(sender.Tag, sender.SelectedIndex)
     End Sub
-    Private Shared Sub CheckBoxChange(sender As MyCheckBox, e As Object) Handles CheckAdvanceRunWait.Change, CheckArgumentRam.Change, CheckAdvanceDisableJLW.Change, CheckAdvanceGraphicCard.Change
+    Private Shared Sub CheckBoxChange(sender As MyCheckBox, e As Object) Handles CheckAdvanceRunWait.Change, CheckAdvanceDisableJLW.Change, CheckAdvanceGraphicCard.Change
         If AniControlEnabled = 0 Then Setup.Set(sender.Tag, sender.Checked)
     End Sub
 
@@ -542,14 +542,14 @@ PreFin:
     End Sub
 
     '开启自动内存优化的警告
-    Private Sub CheckArgumentRam_Change() Handles CheckArgumentRam.Change
+    Private Sub ComboArgumentRam_Change() Handles ComboArgumentRam.SelectionChanged
         If AniControlEnabled <> 0 Then Return
-        If Not CheckArgumentRam.Checked Then Return
+        If ComboArgumentRam.SelectedIndex = 0 Then Return
         If MyMsgBox("内存优化会显著延长启动耗时，建议仅在内存不足时开启。" & vbCrLf &
                     "如果你在使用机械硬盘，这还可能导致一小段时间的严重卡顿。" &
                     If(IsAdmin(), "", $"{vbCrLf}{vbCrLf}每次启动游戏，PCL 都需要申请管理员权限以进行内存优化。{vbCrLf}若想自动授予权限，可以右键 PCL，打开 属性 → 兼容性 → 以管理员身份运行此程序。"),
                     "提醒", "确定", "取消") = 2 Then
-            CheckArgumentRam.Checked = False
+            ComboArgumentRam.SelectedIndex = 0
         End If
     End Sub