Is there an existing issue for this?

• I have searched the existing issues

Current Behavior

not work

Expected Behavior

Web Page Blank

Steps to reproduce

1、Start a local backend server
2、install dependencies
3、run API_PROXY_TARGET=http://localhost:3000/ yarn start
but not work

Environment

in chinese language environment

Additional Information

bug in Translator,some key in en.ts but not in zh.ts