源文件路径：

X:\Sid Meier's Civilization VI\Base\Assets\Gameplay\Data\Features.xml

搜索<Features>

全时代种树：<Row FeatureType="FEATURE_FOREST" Name="LOC_FEATURE_FOREST_NAME" RemoveTech="TECH_MINING" Removable="true" Forest="true" AddCivic="CIVIC_CONSERVATION" SightThroughModifier="1" DefenseModifier="3" MovementChange="1" Appeal="+1" AntiquityPriority="2"/>

修改为：

<Row FeatureType="FEATURE_FOREST" Name="LOC_FEATURE_FOREST_NAME" RemoveTech="TECH_MINING" Removable="true" Forest="true" SightThroughModifier="1" DefenseModifier="3" MovementChange="1" Appeal="+1" AntiquityPriority="2"/>

就是删除红色字体

铲除绿洲：

<Row FeatureType="FEATURE_OASIS" Name="LOC_FEATURE_OASIS_NAME" NoAdjacentFeatures="true" NoCoast="true" AddsFreshWater="true" Appeal="+1" AntiquityPriority="2" NoRiver="true" Settlement="false"/>

修改为：

<Row FeatureType="FEATURE_OASIS" Name="LOC_FEATURE_OASIS_NAME" Removable="true" NoAdjacentFeatures="true" NoCoast="true" AddsFreshWater="true" Appeal="+1" AntiquityPriority="2" NoRiver="true" Settlement="false"/>

就是添加Removable="true"

PS：铲除绿洲会导致图形错误，但是可以修建设施，看下图。