message: fix: core-render content-type
diff: @@ -6,7 +6,7 @@ import { webpackPromisify } from './utils/promisify'
  const WebpackDevServer = require('webpack-dev-server-ssr')
  const config = loadConfig()
  -const startClientServer = async (webpackConfig: webpack.Configuration) => {
  +const startClientServer = async (webpackConfig: webpack.Configuration): Promise<void> => {
  const { webpackDevServerConfig, fePort, host } = config
  return await new Promise((resolve) => {
  const compiler = webpack(webpackConfig)
  