老师，下午好，请教一个问题，编译 prod 时，出现3个警告：

WARNING Compiled with 3 warnings
warning 1
asset size limit: The following asset(s) exceed the recommended size limit (244 KiB).
This can impact web performance.
Assets:
ace/assets/css/ace.min.css (388 KiB)
ace/assets/font-awesome/4.5.0/fonts/fontawesome-webfont.svg (357 KiB)
ace/assets/js/jquery.jqGrid.min.js (304 KiB)
static/image/小节视频/test1.mp4 (334 KiB)
static/image/讲师头像/头像4.jpg (491 KiB)
static/image/讲师头像/头像6.jpg (457 KiB)
static/image/小节视频/test.mp4 (527 KiB)
static/image/讲师头像/头像5.jpg (611 KiB)
warning 2
entrypoint size limit: The following entrypoint(s) combined asset size exceeds the recommended limit (244 KiB). This can impact web performance.
Entrypoints:
app (277 KiB)
js/chunk-vendors.7505cb0e.js
css/app.6424bcc2.css
js/app.1362cb8d.js
warning 3
webpack performance recommendations:
You can limit the size of your bundles by using import() or require.ensure to lazy load some parts of your application.
For more info visit https://webpack.js.org/guides/code-splitting/

这些警告要怎么消除呢？ 谢谢老师解答！！！