我正在尝试在模拟器上运行app . 构建应用程序，启动模拟器，但应用程序不安装到iOS模拟器...启动iOS模拟器后只是没有做任何事情 . 任何想法为什么会发生这种情况？

[INFO] :   Writing bootstrap json
[INFO] :   Writing app properties
[INFO] :   Writing i18n files
[INFO] :   Processing Titanium symbols
[INFO] :   Removing files
[INFO] :   Skipping xcodebuild
[INFO] :   Finished building the application in 13s 271ms
[INFO] :   Launching iOS Simulator

Operating System
 Name                        = Mac OS X
 Version                     = 10.14.1
  Architecture                = 64bit
  # CPUs                      = 4
 Memory                      = 8589934592

Node.js
  Node.js Version             = 8.1.4
 npm Version                 = 5.0.3

Titanium CLI
 CLI Version                 = 5.1.1

Titanium SDK
SDK Version                 = 7.5.0.GA
appcelerator appcelerator-mobile