解决办法：

找到webpack.config.js文件进入

{
  test: /\.(png|jpg|gif)$/,
  loader: 'file-loader',
  options: {
    name: '[name].[ext]?[hash]'
  }
}

扩充为：

{
  test: /\.(png|jpg|gif|eot|svg|ttf|woff|woff2)$/,
  loader: 'file-loader',
  options: {
    name: '[name].[ext]?[hash]'
  }
}