Altair中的圆角条断开工具提示

import altair as alt
import pandas as pd

data = pd.DataFrame({
    '类别': ['A', 'B', 'C', 'D'],
    '值': [10, 20, 30, 40]
})

chart = alt.Chart(data).mark_bar(cornerRadiusTopLeft=10, cornerRadiusTopRight=10).encode(
    x='类别',
    y='值',
    tooltip=['类别', '值']
).properties(
    width=600,
    height=400
)

chart.display()

chart = alt.Chart(data).mark_bar(cornerRadiusTopLeft=10, cornerRadiusTopRight=10, cornerRadiusBottomLeft=10, cornerRadiusBottomRight=10).encode(
    x='类别',
    y='值',
    tooltip=['类别', '值']
).properties(
    width=600,
    height=400
)