appium，cmd连接mumu成功但appium软件连接不上
appium连接mumu模拟器时出现的问题，
An unknown server-side error occurred while processing the command. Original error: The desired capabilities must include either an app, appPackage or browserName
appium连接mumu模拟器时出现的问题，
An unknown server-side error occurred while processing the command. Original error: The desired capabilities must include either an app, appPackage or browserName