我正在尝试将完整堆栈的React应用程序部署到heroku，构建成功，但是在打开该应用程序后，它只是显示空白页面。
在网络标签（Chrome开发者工具）上，它显示状态代码304 not modified。
以下是heroku日志：
所有似乎都返回200
2019-03-03T14:09:50.961887+00:00 heroku[router]: at=info method=GET path="/" host=frozen-garden-64580.herokuapp.com request_id=142f148f-9732-4e08-8e42-3d8929345aee fwd="103.211.19.19" dyno=web.1 connect=0ms service=2ms status=200 bytes=3383 protocol=https
2019-03-03T14:09:51.237503+00:00 heroku[router]: at=info method=GET path="/static/css/main.49939188.chunk.css" host=frozen-garden-64580.herokuapp.com request_id=99204bab-7099-4224-9134-2897dd0609d3 fwd="103.211.19.19" dyno=web.1 connect=0ms service=2ms status=200 bytes=2737 protocol=https
2019-03-03T14:09:51.248828+00:00 heroku[router]: at=info method=GET path="/static/js/1.c909688f.chunk.js" host=frozen-garden-64580.herokuapp.com request_id=41218c3b-ab64-4e2c-a976-5ad80e95a34b fwd="103.211.19.19" dyno=web.1 connect=0ms service=8ms status=200 bytes=268318 protocol=https
2019-03-03T14:09:51.457197+00:00 heroku[router]: at=info method=GET path="/static/js/main.9a6aecc1.chunk.js" host=frozen-garden-64580.herokuapp.com request_id=b52a1a46-7261-45b4-89a0-163b214db5e7 fwd="103.211.19.19" dyno=web.1 connect=0ms service=3ms status=200 bytes=56331 protocol=https
2019-03-03T14:09:54.731873+00:00 heroku[router]: at=info method=GET path="/static/js/1.c909688f.chunk.js.map" host=frozen-garden-64580.herokuapp.com request_id=dca0120b-3974-4520-980d-a78aae277977 fwd="103.211.19.19" dyno=web.1 connect=0ms service=25ms status=200 bytes=935257 protocol=https
2019-03-03T14:09:54.864781+00:00 heroku[router]: at=info method=GET path="/static/css/main.49939188.chunk.css.map" host=frozen-garden-64580.herokuapp.com request_id=02729bc3-aa3e-4f7b-b3f0-2b6316dadaea fwd="103.211.19.19" dyno=web.1 connect=1ms service=2ms status=200 bytes=7040 protocol=https
2019-03-03T14:09:54.725615+00:00 heroku[router]: at=info method=GET path="/static/js/main.9a6aecc1.chunk.js.map" host=frozen-garden-64580.herokuapp.com request_id=f0534a34-5b76-42c7-8ea8-c790b60bc253 fwd="103.211.19.19" dyno=web.1 connect=1ms service=7ms status=200 bytes=148572 protocol=https
2019-03-03T14:09:55.533722+00:00 heroku[router]: at=info method=GET path="/favicon.ico" host=frozen-garden-64580.herokuapp.com request_id=3709a85d-a666-47c4-a690-798c64e40765 fwd="103.211.19.19" dyno=web.1 connect=0ms service=1ms status=200 bytes=4147 protocol=https
2019-03-03T14:09:55.979857+00:00 heroku[router]: at=info method=GET path="/manifest.json" host=frozen-garden-64580.herokuapp.com request_id=957292c7-cd49-46db-928c-0608b9ce1b8d fwd="103.211.19.19" dyno=web.1 connect=1ms service=2ms status=200 bytes=601 protocol=https