我使用Angular版本16和VScode，代码运行正常，但我得到了这个错误：

can't bind to 'ngModel' since it isn't a known property of 'input'

.我有app.module.ts：

import { NgModule } from '@angular/core';
import { FormsModule } from '@angular/forms';
import { BrowserModule } from '@angular/platform-browser';
import { AppRoutingModule } from './app-routing.module';
import { AppComponent } from './app.component';
import { HeaderComponent } from './components/header/header.component';
import { ProductsModule } from './modules/products/products.module';
import { SalesModule } from './modules/sales/sales.module';

@NgModule({
  declarations: [AppComponent, HeaderComponent],
  imports: [BrowserModule, AppRoutingModule, ProductsModule, SalesModule],
  bootstrap: [AppComponent]
})
export class AppModule { }

app-routing.module.ts：

import { NgModule } from '@angular/core';
import { Routes, RouterModule } from '@angular/router';
import { NotFoundComponent } from './components/not-found/not-found.component';

const routes: Routes = [
  { path: '', redirectTo: '/products', pathMatch: 'full' },
  { path: 'sales', loadChildren: () => import('./modules/sales/sales.module').then(m => m.SalesModule) },
  { path: 'products', loadChildren: () => import('./modules/products/products.module').then(m => m.ProductsModule) },
  { path: '**', component: NotFoundComponent }
];

@NgModule({
  imports: [RouterModule.forRoot(routes)],
  exports: [RouterModule]
})
export class AppRoutingModule { }

这里是sales. moduls.ts：

import { NgModule } from '@angular/core';
import { CommonModule } from '@angular/common';
import { FormsModule } from '@angular/forms';
import { ReactiveFormsModule } from '@angular/forms';
import { SalesRoutingModule } from './sales-routing.module';
import { AddSaleComponent } from 'src/app/components/sales/add-sale/add-sale.component';
import { SalesService } from 'src/app/services/sales.service';
import { BrowserModule } from '@angular/platform-browser';

@NgModule({
  declarations: [
    AddSaleComponent
  ],
  imports: [
    BrowserModule,
    CommonModule,
    SalesRoutingModule,
    FormsModule, 
    ReactiveFormsModule
  ],
  providers: [SalesService]
})
export class SalesModule { }

这里还有sales-routing.module.ts：

import { NgModule } from '@angular/core';
import { RouterModule, Routes } from '@angular/router';
import { AddSaleComponent } from 'src/app/components/sales/add-sale/add-sale.component';

const routes: Routes = [
  {
    path: '',
    component: AddSaleComponent,
  },
];

@NgModule({
  imports: [RouterModule.forChild(routes)],
  exports: [RouterModule],
})
export class SalesRoutingModule {}

因此，在add-sale.component.html中，我得到了一个简单ngModel错误：

Favorite Color: <input type="text" [(ngModel)]="favoriteColor">

这里是add-sale.component.html.ts：

import { Component } from '@angular/core';

@Component({
  selector: 'app-add-sale',
  templateUrl: './add-sale.component.html',
  styleUrls: ['./add-sale.component.scss'],
})
export class AddSaleComponent {
  favoriteColor = '';
  
}

我已经检查了Can't bind to 'ngModel' since it isn't a known property of 'input'，但仍然得到错误。你有什么建议吗？

**更新：**我删除了appModule中的PrdocutsModule和SalesModule：

import { NgModule } from '@angular/core';
import { FormsModule } from '@angular/forms';
import { BrowserModule } from '@angular/platform-browser';
import { AppRoutingModule } from './app-routing.module';
import { AppComponent } from './app.component';
import { HeaderComponent } from './components/header/header.component';

@NgModule({
  declarations: [AppComponent, HeaderComponent],
  imports: [BrowserModule, AppRoutingModule, FormsModule],
  bootstrap: [AppComponent]
})
export class AppModule { }

但仍然不起作用。