HarmonyOS 图文混合问题

@Entry  
@Component  
struct RichEditorDemo2 {  
  @State message: string = 'Hello World';  
  controller: RichEditorController = new RichEditorController();  
  options: RichEditorOptions = { controller: this.controller };  
  build() {  
    Column() {  
      RichEditor(this.options)  
        .onReady(() => {  
          this.controller.addTextSpan("012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789\n",  
            {  
              style:  
              {  
                fontColor: Color.Orange,  
                fontSize: 30  
              }  
            })  
          this.controller.addImageSpan($r("app.media.app_icon"),  
            {  
              imageStyle:  
              {  
                size: ["200px", "200px"],  
                verticalAlign: ImageSpanAlignment.BOTTOM,  
                layoutStyle: {  
                  borderRadius: {  
                    topLeft: '10px',  
                    topRight: '20px',  
                    bottomLeft: '30px',  
                    bottomRight: '40px'  
                  },  
                  margin: {  
                    left: '10px',  
                    top: '20px',  
                    right: '30px',  
                    bottom: '40px'  
                  }  
                }  
              },  
            })  
          this.controller.addTextSpan("\n")  
          this.controller.addTextSpan("0123456789",  
            {  
              style:  
              {  
                fontColor: Color.Orange,  
                fontSize: 30  
              }  
            })  
        })  
    }  
    .height('100%')  
  }  
}