Tool: sogou high-speed browser
1. Open the Sogou high-speed browser and click the "Tools" button in the upper right corner, as shown in the figure.
2. Pop up the drop-down menu and select "Proxy Settings", then pop up the drop-down menu and select "Proxy Server Settings", as shown in the figure.
3. Pop up "Custom Agent" and click "Add", as shown in the figure.
4. Enter the name, address, port, user name and password of the agent and confirm, as shown in the figure.