Dialog rendered a button without text

[ZerroRt]

TuSimple/naive-ui version (版本)

2.15.5

Vue version (Vue 版本)

3.2.0-beta.1

Browser and its version (浏览器及其版本)

MicrosoftEdge(91.0.864.70)

System and its version (系统及其版本)

Windows Feature Experience Pack 421.18201.0.3

Node version (Node 版本)

Reappearance link (重现链接)

https://codesandbox.io/s/reverent-roentgen-zv3pd

Reappearance steps (重现步骤)

Do not pass the two attributes negativeText and positiveText at the same time

Expected results (期望的结果)

no button rendered

Actual results (实际的结果)

it rendered a button without text

Remarks (补充说明)