xctest client exit with code: 70, signal: null

When i try to inspect for simulator, i am getting the error.

Environment check:

$ npm i macaca-cli -g && macaca doctor

=================================

Node.js checklist:

  node env: /usr/local/bin/node
  node version: v8.11.2

  iOS checklist:

  Xcode Command Line Tools is ready, version: 2349.
  xcodebuild version: 9.4.1
  iproxy[usbmuxd] is installed at: `/usr/local/bin/iproxy`
  ios_webkit_debug_proxy is installed at: `/usr/local/bin/ios_webkit_debug_proxy`

  Android checklist:

  JAVA version is `1.8`
  JAVA_HOME is set to `/Library/Java/JavaVirtualMachines/jdk1.8.0_131.jdk/Contents/Home`
  ANDROID_HOME is set to `/Users/user/Library/Android/sdk`
  Platforms is set to `/Users/user/Library/Android/sdk/platforms/android-27`
  ADB tool is set to `/Users/user/Library/Android/sdk/platform-tools/adb`
  gradle is installed, version: 4.0

app inspector version / 版本号:
```
2.0.17
```
os version / 系统:
```
Mac version : 10.13.5
XCode: 9.4.1
```
device information / 设备版本:
```
iPhone X simulator 11.4
```

terminal log / 终端输出信息:

app-inspector -u UDID --verbose
>> server.js:16:12 [master] pid:11728 server start with config:
{ port: 5678,
verbose: true,
udid: 'UDID',
ip: 'xx.xx.xx.xxx',
host: 'Mac',
loaded_time: '2018-06-27 16:28:57' }
>> app-inspector.js:45:12 [master] pid:11728 server start at: http://localhost:5678
>> xctest-client.js:55:14 [master] pid:11728 project path: /usr/local/lib/node_modules/app-inspector/node_modules/xctestwd/XCTestWD/XCTestWD.xcodeproj
>> xctest-client.js:247:14 [master] pid:11728 xcode version: 9.4.1
>> XCTestWD version: 1.3.31
>> xctest-client.js:195:18 [master] pid:11728 please check project: /usr/local/lib/node_modules/app-inspector/node_modules/xctestwd/XCTestWD/XCTestWD.xcodeproj
>> xctest-client.js:286:14 [master] pid:11728 killing runnerProc pid: 11731
>> xctest-client.js:206:16 [master] pid:11728 xctest client exit with code: 70, signal: null

macacajs / app-inspector

xctest client exit with code: 70, signal: null #195