我自己改的rules.ini，可以建造油井和埃菲尔铁塔，但是不能卖，我在ART.INI里加了buildup=naclonmk,还是不能卖，请问怎么回事？以下是我设置的代码，请高手帮忙看看，感谢！
rules.ini
[CAOILD];油井
Image=CAOILD
TechLevel=1;-1是不能造，1-10可以造。
Owner=Confederation
BaseNormal=yes;扩展建筑
NeedsEngineer=no;这个代码指定建筑是否占领后才生效
Unsellable=no;能否出售no可以出售
Cost=100
RefundPercent=80
art.ini
[CAOILD]
Normalized=yes
Cameo=CLONICON
Remapable=no
Foundation=2x2
Height=5
Buildup=CAOILD
NewTheater=yes
ActiveAnim=CAOILD_A
ActiveAnimDamaged=CAOILD_AD
ActiveAnimZAdjust=0
ActiveAnimYSort=362
ActiveAnimTwo=CAOILD_F
ActiveAnimTwoZAdjust=-50
ActiveAnimTwoYSort=362
ActiveAnimTwoPowered=no
DemandLoad=true
CanHideThings=True
CanBeHidden=False
OccupyHeight=3
DamageFireOffset0=-2,34
DamageFireOffset1=7,-21
DamageFireOffset2=29,10