你好，我有问题的ngrx/效果-管道未定义。下面我附上的样本代码是正确的，但沿着编译器浏览器显示未定义管道错误。

constructor(
    private actions$: Actions,
    private ethereumService: EthereumService
) { }

loadUser$ = createEffect(() =>
    this.actions$.pipe(
        ofType(loadAccountState),
        mergeMap(() => this.ethereumService.getAccountDetails()
            .pipe(
                map(setAccountStateCompleted),
                catchError(() => EMPTY)
            )
        )
    )
);

应用模块：

StoreModule.forRoot(reducers),
EffectsModule.forRoot([AccountEffects]),

编辑：即使这个样本也有相同的错误-_-

logActions$ = createEffect(() =>
    this.actions$.pipe(
        ofType(AccountActions.loadAccountState),
        tap(action => console.log(action))
    ), { dispatch: false });

PS2。我正在使用ActionReducerMap，这是作为reducers导入到根的主减速器文件

import {
  createSelector,
  createFeatureSelector,
  ActionReducerMap,
} from '@ngrx/store';

import * as fromAccount from './account.reducer';

export interface State {
  account: fromAccount.State;
}

export const reducers: ActionReducerMap<State> = {
  account: fromAccount.updateAccountReducer,
};

export const selectAccountState = createFeatureSelector<fromAccount.State>('account');

//Account Selectors
export const selectCurrentUser = createSelector(
  selectAccountState,
  fromAccount.selectActiveAccount
);

我的代码有什么问题，请寻求帮助