Mac OSX solves the problem of Automatic Network disconnection after the computer does not need a while

Scenario: 1. Run this Java Tomcat on the Mac, but the ping will fail in about 20 minutes after you leave the computer. In this way, you have to shake the mouse frequently. 2. The scenario is like entering sleep state. Www.2cto.com. 1. Cancel screen saver and drag Start screen saver to Never. 2. Cancel the energy saving settings. The Computer sleep and Display sleep in the Energy Saver are dragged to Never. note: Some computers do not need to set this option, but in some cases, this will automatically enter sleep and the network will be disconnected, which has plagued me for a long time. It took a lot of time to shake the mouse, and google and baidu didn't have the answer.