HarmonyOS 鸿蒙Next最新版云函数调用失败

Build info:emulator 5.0.0.31(SP37DEVC00E31R4P11log)

Fingerprint:79108adcb1d8b02f6c1f4bcde13491c3d3192613de0c3b67b2c8863c1703369e

Module name:com.example.fanCloud

Version:1.0.0

VersionCode:1000000

PreInstalled:No

Foreground:Yes

Pid:11370

Uid:20020036

Reason:TypeError

Error name:TypeError

Error message:Cannot read property call of undefined

Stacktrace:

    at callIdGenerator (entry/src/main/ets/pages/CloudFunction.ets:59:5)

    at anonymous (entry/src/main/ets/pages/CloudFunction.ets:39:9)

调用云函数官方的案例，在模拟器上调用失败

private callIdGenerator() {
  cloudFunction.call({ name: ‘id-generator’ }).then((res: cloudFunction.FunctionResult) => {
    this.globalId = (res.result as IdGeneratorResponse).uuid;
  }).catch((err: BusinessError) => {
    hilog.error(0x0000, ‘CloudFunction’, ‘call id-generator exception, ErrCode: %{public}d ErrMessage: %{public}s’,
      err.code, err.message);
  });
}