finally solved this by searching this runtimeerror info in site-packages/streamlit/serverutils.py.
Just change the parameter which is now 50*1e6 to bigger one and restart your streamlit service.
My streamlit apps work well after changing that, you may have a try!
Dan via Streamlit <streamlit@discoursemail.com>于2021年2月6日 周六上午6:13写道: