android remount of /system failed: Read-only file system [How to Solve]

Problems encountered:
after ADB root (obtaining root permission), execute ADB remount (adding read-write permission to system files/system,/vendor,/OEM) and report:
remount of/system failed: read-only file system error

1. ADB disable verity will appear
verity disabled on/system
now reboot your device for settings to take effect
2. ADB reboot restart the device.
then remout can succeed

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