出错:

 

Value for SWIFT_VERSION cannot be empty错误解决_解决方法

 解决方法:

Value for SWIFT_VERSION cannot be empty错误解决_解决方法_02

选择后

Value for SWIFT_VERSION cannot be empty错误解决_解决方法_03

 

 重新编译成功

Value for SWIFT_VERSION cannot be empty错误解决_解决方法_04