diff --git a/Plain Craft Launcher 2/Modules/Minecraft/ModLaunch.vb b/Plain Craft Launcher 2/Modules/Minecraft/ModLaunch.vb
index e4df4ac..130efbb 100644
--- a/Plain Craft Launcher 2/Modules/Minecraft/ModLaunch.vb	
+++ b/Plain Craft Launcher 2/Modules/Minecraft/ModLaunch.vb	
@@ -113,10 +113,19 @@ Public Module ModLaunch
                 New LoaderTask(Of Process, Integer)("等待游戏窗口出现", AddressOf McLaunchWait) With {.ProgressWeight = 1},
                 New LoaderTask(Of Integer, Integer)("结束处理", AddressOf McLaunchEnd) With {.ProgressWeight = 1}
             }
-            If Setup.Get("LaunchArgumentRam") 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
+
+            '内存优化
+            Select Case Setup.Get("VersionRamOptimize", Version:=McVersionCurrent)
+                Case 0 '全局
+                    If Setup.Get("LaunchArgumentRam") 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 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})
+            End Select
+
             Dim LaunchLoader As New LoaderCombo(Of Object)("Minecraft 启动", Loaders) With {.Show = False}
             If McLoginLoader.State = LoadState.Finished Then McLoginLoader.State = LoadState.Waiting '要求重启登录主加载器，它会自行决定是否启动副加载器
             '等待加载器执行并更新 UI
diff --git a/Plain Craft Launcher 2/Pages/PageSetup/ModSetup.vb b/Plain Craft Launcher 2/Pages/PageSetup/ModSetup.vb
index faef9cc..31025f3 100644
--- a/Plain Craft Launcher 2/Pages/PageSetup/ModSetup.vb	
+++ b/Plain Craft Launcher 2/Pages/PageSetup/ModSetup.vb	
@@ -163,6 +163,7 @@
         {"VersionAdvanceRunWait", New SetupEntry(True, Source:=SetupSource.Version)},
         {"VersionRamType", New SetupEntry(2, Source:=SetupSource.Version)},
         {"VersionRamCustom", New SetupEntry(15, Source:=SetupSource.Version)},
+        {"VersionRamOptimize", New SetupEntry(0, Source:=SetupSource.Version)},
         {"VersionArgumentTitle", New SetupEntry("", Source:=SetupSource.Version)},
         {"VersionArgumentInfo", New SetupEntry("", Source:=SetupSource.Version)},
         {"VersionArgumentIndie", New SetupEntry(-1, Source:=SetupSource.Version)},
diff --git a/Plain Craft Launcher 2/Pages/PageVersion/PageVersionSetup.xaml b/Plain Craft Launcher 2/Pages/PageVersion/PageVersionSetup.xaml
index e523d04..72caf3d 100644
--- a/Plain Craft Launcher 2/Pages/PageVersion/PageVersionSetup.xaml	
+++ b/Plain Craft Launcher 2/Pages/PageVersion/PageVersionSetup.xaml	
@@ -106,6 +106,22 @@
                         </StackPanel>
                         <TextBlock Grid.Row="2" x:Name="LabRamGame" Text="2.5 GB" Grid.ColumnSpan="3" TextTrimming="None" Margin="2,3,0,0" FontSize="16" Foreground="Black" HorizontalAlignment="Left" />
                     </Grid>
+                    <Grid Margin="0,15,0,0">
+                        <Grid.ColumnDefinitions>
+                            <ColumnDefinition Width="Auto" />
+                            <ColumnDefinition Width="Auto" />
+                            <ColumnDefinition />
+                        </Grid.ColumnDefinitions>
+                        <Grid.RowDefinitions>
+                            <RowDefinition Height="28" />
+                        </Grid.RowDefinitions>
+                        <TextBlock Margin="0,6,0,0" Text="启动游戏前进行内存优化" Grid.Row="1" Grid.Column="1" HorizontalAlignment="Left" />
+                        <local:MyComboBox x:Name="ComboRamOptimize" Margin="10,0,0,0" Grid.Row="1" Grid.ColumnSpan="2" Grid.Column="2" Tag="VersionRamOptimize">
+                            <local:MyComboBoxItem Content="使用全局设置" IsSelected="True" />
+                            <local:MyComboBoxItem Content="开启" />
+                            <local:MyComboBoxItem Content="关闭" />
+                        </local:MyComboBox>
+                    </Grid>
                 </StackPanel>
             </local:MyCard>
             <local:MyCard x:Name="CardServer" Margin="0,0,0,15" Title="服务器">
diff --git a/Plain Craft Launcher 2/Pages/PageVersion/PageVersionSetup.xaml.vb b/Plain Craft Launcher 2/Pages/PageVersion/PageVersionSetup.xaml.vb
index ad72125..8fbb4aa 100644
--- a/Plain Craft Launcher 2/Pages/PageVersion/PageVersionSetup.xaml.vb	
+++ b/Plain Craft Launcher 2/Pages/PageVersion/PageVersionSetup.xaml.vb	
@@ -51,6 +51,7 @@
             '游戏内存
             CType(FindName("RadioRamType" & Setup.Load("VersionRamType", Version:=PageVersionLeft.Version)), MyRadioBox).Checked = True
             SliderRamCustom.Value = Setup.Get("VersionRamCustom", Version:=PageVersionLeft.Version)
+            ComboRamOptimize.SelectedIndex = Setup.Get("VersionRamOptimize", Version:=PageVersionLeft.Version)
 
             '服务器
             TextServerEnter.Text = Setup.Get("VersionServerEnter", Version:=PageVersionLeft.Version)
@@ -95,6 +96,7 @@
             Setup.Set("VersionArgumentIndie", 0, Version:=PageVersionLeft.Version)
             Setup.Reset("VersionRamType", Version:=PageVersionLeft.Version)
             Setup.Reset("VersionRamCustom", Version:=PageVersionLeft.Version)
+            Setup.Reset("VersionRamOptimize", Version:=PageVersionLeft.Version)
             Setup.Reset("VersionAdvanceJvm", Version:=PageVersionLeft.Version)
             Setup.Reset("VersionAdvanceGame", Version:=PageVersionLeft.Version)
             Setup.Reset("VersionAdvanceAssets", Version:=PageVersionLeft.Version)
@@ -130,7 +132,7 @@
     Private Shared Sub SliderChange(sender As MySlider, e As Object) Handles SliderRamCustom.Change
         If AniControlEnabled = 0 Then Setup.Set(sender.Tag, sender.Value, Version:=PageVersionLeft.Version)
     End Sub
-    Private Shared Sub ComboChange(sender As MyComboBox, e As Object) Handles ComboArgumentIndie.SelectionChanged
+    Private Shared Sub ComboChange(sender As MyComboBox, e As Object) Handles ComboArgumentIndie.SelectionChanged, ComboRamOptimize.SelectionChanged
         If AniControlEnabled = 0 Then Setup.Set(sender.Tag, sender.SelectedIndex, Version:=PageVersionLeft.Version)
     End Sub
     Private Shared Sub CheckBoxChange(sender As MyCheckBox, e As Object) Handles CheckAdvanceRunWait.Change, CheckAdvanceAssetsV2.Change, CheckAdvanceJava.Change