Undefined symbols for architecture arm64:

  "_CTRadioAccessTechnologyWCDMA", referenced from:

      -[BDTTS_BDSReachability highestAvailableConnectivity] in libetts_device_simulator.a(BDSReachability.o)

  "_CTRadioAccessTechnologyHSDPA", referenced from:

      -[BDTTS_BDSReachability highestAvailableConnectivity] in libetts_device_simulator.a(BDSReachability.o)

  "_CTRadioAccessTechnologyEdge", referenced from:

      -[BDTTS_BDSReachability highestAvailableConnectivity] in libetts_device_simulator.a(BDSReachability.o)

  "_CTRadioAccessTechnologyCDMAEVDORevA", referenced from:

      -[BDTTS_BDSReachability highestAvailableConnectivity] in libetts_device_simulator.a(BDSReachability.o)

  "_CTRadioAccessTechnologyeHRPD", referenced from:

      -[BDTTS_BDSReachability highestAvailableConnectivity] in libetts_device_simulator.a(BDSReachability.o)

  "_CTRadioAccessTechnologyCDMA1x", referenced from:

      -[BDTTS_BDSReachability highestAvailableConnectivity] in libetts_device_simulator.a(BDSReachability.o)

  "_CTRadioAccessTechnologyCDMAEVDORev0", referenced from:

      -[BDTTS_BDSReachability highestAvailableConnectivity] in libetts_device_simulator.a(BDSReachability.o)

  "_CTRadioAccessTechnologyGPRS", referenced from:

      -[BDTTS_BDSReachability highestAvailableConnectivity] in libetts_device_simulator.a(BDSReachability.o)

  "_SCNetworkReachabilitySetCallback", referenced from:

      -[BDTTS_BDSReachability startNotifier] in libetts_device_simulator.a(BDSReachability.o)

  "_SCNetworkReachabilityGetFlags", referenced from:

      -[BDTTS_BDSReachability connectionRequired] in libetts_device_simulator.a(BDSReachability.o)

      -[BDTTS_BDSReachability currentReachabilityStatus] in libetts_device_simulator.a(BDSReachability.o)

  "_CTRadioAccessTechnologyHSUPA", referenced from:

      -[BDTTS_BDSReachability highestAvailableConnectivity] in libetts_device_simulator.a(BDSReachability.o)

  "_SCNetworkReachabilityCreateWithAddress", referenced from:

      +[BDTTS_BDSReachability reachabilityWithAddress:] in libetts_device_simulator.a(BDSReachability.o)

  "_SCNetworkReachabilityCreateWithName", referenced from:

      +[BDTTS_BDSReachability reachabilityWithHostName:] in libetts_device_simulator.a(BDSReachability.o)

  "_SCNetworkReachabilityScheduleWithRunLoop", referenced from:

      -[BDTTS_BDSReachability startNotifier] in libetts_device_simulator.a(BDSReachability.o)

  "_OBJC_CLASS_$_CTTelephonyNetworkInfo", referenced from:

      objc-class-ref in libetts_device_simulator.a(BDSReachability.o)

  "_SCNetworkReachabilityUnscheduleFromRunLoop", referenced from:

      -[BDTTS_BDSReachability stopNotifier] in libetts_device_simulator.a(BDSReachability.o)

  "_CTRadioAccessTechnologyCDMAEVDORevB", referenced from:

      -[BDTTS_BDSReachability highestAvailableConnectivity] in libetts_device_simulator.a(BDSReachability.o)

已经按照开发文档添加libraries，请问该如何解决？