我用android-studio打开emulator时报错，报错信息如下
/home/liming/Android/Sdk/tools/emulator -netdelay none -netspeed full -avd Nexus_4_API_23
adb_server_notify: Failed to establish connection to ADB server
emulator: Listening for console connections on port: 5554
emulator: Serial number of this emulator (for ADB): emulator-5554
怎样才能解决？
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SDK 경로가 올바르게 구성되지 않아 adnroid-studio가 adb를 찾지 못하는 것 같습니다
adb 경로가 잘못되었습니다.