How to solve the win10 network icon exclamation mark

Like Win7/Win8.1 and other systems, Win10 will automatically monitor the availability of the network, and will display a network icon in the notification area in the lower right corner when the network cable is connected but the network is unavailable. Yellow exclamation mark. As shown below: When

But sometimes when we use some special network, such as using a special filter proxy or connection, even under normal circumstances the network, there is still an exclamation point may be displayed And can't be eliminated, you can try the following method to remove this mark:
Open the run by Win+R, enter regedit and press Enter to open the registry editor;
Navigate to the following registry location:
HKEY_LOCAL_MACHINESOFTWAREPoliciesMicrosoftWindowsNetwork Connections
to the right of the new DWORD value named NC_DoNotShowLocalOnlyIcon, double-click to modify the value to 1;

close the registry, restart Explorer (there may need to reboot the system), after exclamation mark on the network icon will disappear, as shown below: