appium启动启动会话的时候提示错误，求大神指点，刚刚接触appium卡在这一天了
错误
处理命令时发生未知的服务器端错误。原始错误：An unknown server-side error occurred while processing the command. Original error: Could not find adb.exe in E:\python_appium\sdk\platform-tools\adb.exe,E:\python_appium\sdk\emulator\adb.exe,E:\python_appium\sdk\tools\adb.exe,E:\python_appium\sdk\tools\bin\adb.exe. Do you have the Android SDK installed at 'E:\python_appium\sdk'?
{
"platformName": "Android",
"platformVersion": "8.0.0",
"deviceName": "Honor 9 Lite",
"automationName": "uiautomator2",
"newCommandTimeout": "240",
"udid": "U8ENW18115006649",
"appPackage": "com.just.trip.client",
"appActivity": "com.just.trip.client.activity.WelcomeActivity"
}
解决方式：
手机已锁屏，重新数据线链接手机到电脑，打开开发者模式，usb调试；继续按照appium操作……