运行codelabs的云开发服务（ArkTS）项目，出现下面的错误。是云开发服务接口不能在模拟器中调用吗？

Build info:emulator 5.0.0.25(SP63DEVC00E25R4P11log)

Fingerprint:682d5740339db8a5cf683ab984e9dd4071490143684b770451f6f8751247fc9a

Module name:com.agchuawei.harmonyauthtest

Version:1.0.0

VersionCode:1000000

PreInstalled:No

Foreground:No

Pid:6648

Uid:20020043

Reason:TypeError

Error name:TypeError

Error message:Cannot read property init of undefined

SourceCode:

        cloudCommon.init();

        ^

Stacktrace:

    at onCreate (entry/src/main/ets/entryability/EntryAbility.ets:11:5)