diff --git a/Plain Craft Launcher 2/Pages/PageSetup/PageSetupLaunch.xaml b/Plain Craft Launcher 2/Pages/PageSetup/PageSetupLaunch.xaml
index 8e9be7c..adba6a5 100644
--- a/Plain Craft Launcher 2/Pages/PageSetup/PageSetupLaunch.xaml	
+++ b/Plain Craft Launcher 2/Pages/PageSetup/PageSetupLaunch.xaml	
@@ -229,7 +229,7 @@
                         <RowDefinition Height="Auto" />
                     </Grid.RowDefinitions>
                     <TextBlock Grid.Row="0" VerticalAlignment="Center" HorizontalAlignment="Left" Text="JVM 参数头" Margin="0,0,25,0" />
-                    <local:MyTextBox x:Name="TextAdvanceJvm" Grid.Row="0" Grid.ColumnSpan="2" Tag="LaunchAdvanceJvm" Grid.Column="1" ToolTip="启动 Minecraft 时使用的额外 JVM 参数，在没有确定把握的情况下请不要尝试修改。&#xa;你可以通过点击左侧选项卡的初始化按钮来恢复到默认设置。" MaxLength="4000" Text="-XX:+UseG1GC -XX:-UseAdaptiveSizePolicy -XX:-OmitStackTraceInFastThrow -Dfml.ignoreInvalidMinecraftCertificates=True -Dfml.ignorePatchDiscrepancies=True -Dlog4j2.formatMsgNoLookups=true" 
+                    <local:MyTextBox x:Name="TextAdvanceJvm" Grid.Row="0" Grid.ColumnSpan="2" Tag="LaunchAdvanceJvm" Grid.Column="1" ToolTip="启动 Minecraft 时使用的额外 JVM 参数，在没有确定把握的情况下请不要尝试修改。&#xa;你可以通过点击左侧选项卡的初始化按钮来恢复到默认设置。" MaxLength="4000" Text="-XX:+UseG1GC -XX:-UseAdaptiveSizePolicy -XX:-OmitStackTraceInFastThrow -Dfml.ignoreInvalidMinecraftCertificates=True -Dfml.ignorePatchDiscrepancies=True -Dlog4j2.formatMsgNoLookups=true -XX:MaxDirectMemorySize=256M" 
                                      Height="57" AcceptsReturn="True" TextWrapping="Wrap" VerticalContentAlignment="Top" Padding="0,5" />
                     <TextBlock Grid.Row="2" VerticalAlignment="Center" HorizontalAlignment="Left" Text="JVM 参数尾" Margin="0,0,25,0" />
                     <local:MyTextBox x:Name="TextAdvanceGame" Grid.Row="2" Grid.ColumnSpan="2" Tag="LaunchAdvanceGame" Grid.Column="1" ToolTip="文本框中的内容将会被直接拼合在启动参数的末尾。&#xa;例如输入 --demo 则会以试玩模式启动游戏。" />