*改进
-调整价格和研究年份
-添加了新的教程
-调整了起降运行
-增加扶梯的每日费用
*Bug修复
-修复了 Lancaster因门丢失而奔溃的问题
-修复了1960BUS的关门
-修复了将小建筑物放置在与大建筑物相对的一侧

Version 0.5.1.42 (EA Beta)
* Improvements
- adjusted prices and years for the researches
– added new tutorials
- tuned takeoff and landing runs
- increased ramp daily costs
* Bug fixes
- fixed Lancaster crashing because of a missing door
- fixed closed 1960 bus closed doors
- fixed placing small buildings on the opposite side from big buildings