日志如下：

InternalServerError: Internal Server Error
at Object.throw (C:\Users\LiuQian\AppData\Roaming\npm\node_modules\macaca-cli\node_modules\koa\lib\context.js:91:23)
at Object.module.exports (C:\Users\LiuQian\AppData\Roaming\npm\node_modules\macaca-cli\node_modules\webdriver-server\lib\server\responseHandler.js:59:17)
at module.exports.throw ()
at onRejected (C:\Users\LiuQian\AppData\Roaming\npm\node_modules\macaca-cli\node_modules\co\index.js:81:24)
at process._tickCallback (internal/process/next_tick.js:68:7)

responseHandler.js:11:12 [master] pid:18608 Recieve HTTP Request from Client[2019-06-17 00:53:49]: method: POST url: /wd/hub/session, jsonBody: {"desiredCapabilities":{"platformName":"android","app":"F:\TESTAPK\APK\A.apk"}}
session.js:58:10 [master] pid:18608 Creating session, sessionId: 5c773d9d-6423-4b54-a34f-faab48481e85.
helper.js:207:14 [master] pid:18608 Using local app form F:\TESTAPK\APK\A.apk
responseHandler.js:56:12 [master] pid:18608 Send Error Respone to Client: exec F:\android-sdk-windows\platform-tools;F:\android-sdk-windows\tools;\platform-tools\adb.exe devices error with: Error: Command failed: F:\android-sdk-windows\platform-tools;F:\android-sdk-windows\tools;\platform-tools\adb.exe devices
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