After macOS system upgrade, may lead to the development of options for Safari iOS device is not, and thus can not run Safari Web debugger.
The workaround for this problem:
Go to Settings> General> Reset, then tap Reset Network Settings. This will reset the Wi-Fi network and password that you previously used, the cellular network settings, and VPN and APN settings.
After waiting for the phone reset is complete, re-connect mac trust, there has developed under iOS devices at this time.
In the safari: Development> device name> 'used to develop'.
This can run the debugger Safari Web.
