message: fix: stringify defineplugin
diff: @@ -87,7 +87,7 @@ const getClientWebpack = (argv: Argv) => {
  config.plugin('define').use(webpack.DefinePlugin, [{
  '__isBrowser__': true,
  - 'defineStaticPrefix': process.env.staticPrefix
  + 'defineStaticPrefix': JSON.stringify(process.env.staticPrefix)
  }])
  config.when(!isDev, config => config.plugin('progress').use(loadModule('webpack/lib/ProgressPlugin')))
  