优化按钮显示，教学互动

QYF-GitLab1

4 天以前 b55024ee2f42aa93e0ecaa3113bdeb286f6e59ac

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{
  "usingComponents": {
    "t-button": "tdesign-miniprogram/button/button",
    "t-empty": "tdesign-miniprogram/empty/empty",
    "t-cell": "tdesign-miniprogram/cell/cell"
  }
}