Scroll组件内显示不全问题

@Entry 
@Component 
struct ScrollTest { 
  scroller: Scroller = new Scroller() 
 
  build() { 
    Column() { 
      Column() { 
        Text('testText') 
          .height(100) 
        Scroll() { 
          Column() { 
            Button('Securetest') 
              .width('100%') 
              .height(50) 
              .margin({ bottom: 2 }) 
              .onClick(() => { 
              }) 
            Button('test') 
              .width('100%') 
              .height(50) 
              .margin({ bottom: 2 }) 
            Button('test') 
              .width('100%') 
              .height(50) 
              .margin({ bottom: 2 }) 
            Button('test') 
              .width('100%') 
              .height(50) 
              .margin({ bottom: 2 }) 
            Button('test') 
              .width('100%') 
              .height(50) 
              .margin({ bottom: 2 }) 
            Button('test') 
              .width('100%') 
              .height(50) 
              .margin({ bottom: 2 }) 
            Button('test') 
              .width('100%') 
              .height(50) 
              .margin({ bottom: 2 }) 
            Button('test') 
              .width('100%') 
              .height(50) 
              .margin({ bottom: 2 }) 
            Button('test') 
              .width('100%') 
              .height(50) 
              .margin({ bottom: 2 }) 
            Button('test') 
              .width('100%') 
              .height(50) 
              .margin({ bottom: 2 }) 
            Button('test') 
              .width('100%') 
              .height(50) 
              .margin({ bottom: 2 }) 
            Button('test') 
              .width('100%') 
              .height(50) 
              .margin({ bottom: 2 }) 
            Button('test') 
              .width('100%') 
              .height(50) 
              .margin({ bottom: 2 }) 
            Button('test') 
              .width('100%') 
              .height(50) 
              .margin({ bottom: 2 }) 
            Button('test') 
              .width('100%') 
              .height(50) 
              .margin({ bottom: 2 }) 
            Button('test') 
              .width('100%') 
              .height(50) 
              .margin({ bottom: 2 }) 
            Button('test') 
              .width('100%') 
              .height(50) 
              .margin({ bottom: 2 }) 
            Button('test') 
              .width('100%') 
              .height(50) 
              .margin({ bottom: 2 }) 
            Button('test') 
              .width('100%') 
              .height(50) 
              .margin({ bottom: 2 }) 
            Button('test20') 
              .width('100%') 
              .height(50) 
              .margin({ bottom: 2 }) 
          } 
        } 
      } 
    } 
  } 
}
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
31.
32.
33.
34.
35.
36.
37.
38.
39.
40.
41.
42.
43.
44.
45.
46.
47.
48.
49.
50.
51.
52.
53.
54.
55.
56.
57.
58.
59.
60.
61.
62.
63.
64.
65.
66.
67.
68.
69.
70.
71.
72.
73.
74.
75.
76.
77.
78.
79.
80.
81.
82.
83.
84.
85.
86.
87.
88.
89.
90.
91.
92.
93.
94.
95.
96.
97.
98.
99.
100.