label偶尔显示不全

### 问题描述

```
import { nextTick, onUnmounted, ref, watch } from 'vue';
import { Chart } from '@antv/g2';
import { useAppStore } from '@/assets/scripts/stores/app';
import api from '@/assets/scripts/api';
import type { ChartItemData } from '@/assets/scripts/types';
import { useRequest } from 'vue-hooks-plus';
import { storeToRefs } from 'pinia';

export default defineComponent({
setup() {
const chartId = 'age-chart';
const colors = [
'#42cdff',
'#1ec1b0',
'#22cc6e',
'#7638ff',
'#fda600',
'#ef3737'
];
let chart: Chart;
const appStore = useAppStore();
const { appId } = storeToRefs(appStore);
const chartData = ref([]);
const { runAsync, loading } = useRequest(api.getAgeDistUsingGet, {
manual: true
});
const renderChart = () => {
chart = new Chart({
container: chartId,
height: 300,
autoFit: true
});
chart.coordinate({ type: 'polar', innerRadius: 0.4 });
chart
.interval()
.data(chartData.value)
.encode('x', 'value')
.encode('y', 'percent')
.axis(false)
.encode('color', 'name')
.scale('color', { range: colors })
.legend('color', {
position: 'bottom',
layout: { justifyContent: 'center' }
})
.label({
position: 'outside',
text: (data: ChartItemData) => `${(data.percent * 100).toFixed(2)}%`
})
.tooltip((data: ChartItemData) => ({
name: data.name,
value: data.value,
title: null
}))
.animate('enter', { type: 'waveIn' });
chart.render();
};
const stop = watch(
appId,
async (id) => {
try {
const result = (await runAsync({ appId: id })).data ;
chartData.value = result ;
await nextTick();
renderChart();
} catch (error) {
chartData.value = [];
chart.destroy();
}
},
{
immediate: true
}
);
onUnmounted(() => {
chart.destroy();
stop();
});

return { chartData, chartId, loading };
},
render() {
return (

{this.chartData.length > 0 ? (

Start with the supplied renderChart example, especially the label configuration and the chart lifecycle around page switches. Reproduce the intermittent truncated labels with the provided data and screenshots, then trace label layout during rerendering. Done means labels render completely and consistently after navigation without requiring a browser refresh.

Written by the indexing model from the issue text.