app.wxss

page {
  --td-brand-color: #EA609E;
}

home.wxml

<t-notice-bar visible="true" prefixIcon="{{false}}" content="系统正在迁移中，如遇到问题请联系我们。">
  <view slot="prefix-icon">
    <t-icon name="error-circle-filled"></t-icon>
  </view>
</t-notice-bar>

package.json

{
  "dependencies": {
    "tdesign-miniprogram": "^1.3.1"
  },
  "name": "demo",
  "version": "1.0.0",
  "main": ".eslintrc.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "keywords": [],
  "author": "abc",
  "license": "ISC",
  "description": ""
}