- Google China stopped supporting the Chinese Google Maps API since Feb 2020 (https://maps.googleapis.cn/maps/api/js)
- The available solutions you can find online (e.g. from Stackoverflow) became obsolete as of today (July 19, 2020)
Be warned: this is a hack and may stop working at anytime. Use at your own risk.
The solution has been working fine for me for the past month or so (demo):
- Open it and replace