This can be switched to mute in the navigation settings-voice broadcast mode of Gaode map, and the navigation sound will be turned off.
1. Open the home page of mobile phone Gaode map and click on mine.
2. On my page, click the settings icon.
3. After entering the settings page, click Navigation Settings.
4. Then, select the navigation mode. Take walking as an example. In broadcast mode, select Mute.
After this operation, the navigation sound of your mobile phone will be switched to silent mode.