转载自:https://bbs.youkuaiyun.com/topics/360071262
1、按win+R,输入regedit
2、在注册表里,定位到HKEY_LOCAL_MACHINE\SYSTEM
3、可以尝试去HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Control\Session Manager\Environment下,右边找到path,把数值复制到HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Session Manager\Environment的右边path