HarmonyOS鸿蒙Next中Indexed access is not supported for fields (arkts-no-props-by-index) <ArkTSCheck>

HarmonyOS鸿蒙Next中Indexed access is not supported for fields (arkts-no-props-by-index) <ArkTSCheck>

报错：Indexed access is not supported for fields (arkts-no-props-by-index) <ArkTSCheck>

我的代码

```javascript
import { router } from '[@kit](/user/kit).ArkUI';

[@Entry](/user/Entry)
[@Component](/user/Component)
struct Index {
  [@State](/user/State) message: string = '欢迎回来，主人！';
  [@State](/user/State) userName: string = '';//用户名
  [@State](/user/State) passWord: string = '';//密码

  build() {
    RelativeContainer() {
      Text(this.message)
        .id('HelloWorld')
        .fontSize(40)
        .fontWeight(FontWeight.Bold)
        .alignRules({
          center: { anchor: '__container__', align: VerticalAlign.Center },
          middle: { anchor: '__container__', align: HorizontalAlign.Center }
        })

      TextInput({placeholder:'用户名'}).width('90%').margin({top:100})
        .alignRules({
          center: { anchor: '__container__', align: VerticalAlign.Center },
          middle: { anchor: '__container__', align: HorizontalAlign.Center }
        })
        .onChange((value)=>{
          this.userName = value;
        })

      TextInput({placeholder:'密码'}).width('90%').margin({top:200}).type(InputType.Password)
        .alignRules({
          center: { anchor: '__container__', align: VerticalAlign.Center },
          middle: { anchor: '__container__', align: HorizontalAlign.Center }
        })
        .onChange((value)=>{
          this.passWord = value;
        })

      Button('登录')
        .alignRules({
          center: { anchor: '__container__', align: VerticalAlign.Center },
          middle: { anchor: '__container__', align: HorizontalAlign.Center }
        })
        .margin({top:300})
        .onClick(()=>{
          router.pushUrl({
            url:'pages/LoginOKPage',
            params:{
              userNameParam:this.userName,
              passWordParam:this.passWord
            }
          })
        })
    }
    .height('100%')
    .width('100%')
  }
}