Idea auto completion

Sometimes I want to use automatic completion , Because programmers who are not lazy are not good programmers . however Idea The default shortcut for is Ctrl + Space . For ordinary people who install Chinese input method, it is a cup , You'll see .

The modification method is as follows ：

Click on File menu (File) –> Click on Set up (Settings… Ctrl+Alt+S), –> Open the settings dialog .

Click... In the navigation box on the left KeyMap. 
Then select... In the tree box on the right Main menu –> Code –> Completion. 
Two things need to be done next ： 
1. Remove the original Cycle Expand Word Of Alt+ Slash Shortcut key binding . 

2. stay Basic Right click on , Remove the original Ctrl+ Space binding , Then add Alt + Slash Shortcut key .