1.首先安裝BracKetHighlighter外掛ctrl+shift+p 開啟命令框。
2.輸入Install Package 開啟安裝包之後，輸入外掛名BracketHighlighter 。
3.安裝完成之後開啟Preferences – Package Settings – BracketHighlighter – key Bindings-User
配置快捷鍵

[
    //配置方法：
    /*
    {
        "keys":["f12"],
        "command":"side_bar_files_open_with",
        "args
 
":{
            "paths":[],
            "application":"瀏覽器位置",
            "extensions":".*"
        }
    }
    */
    //按f12用火狐瀏覽器開啟
    {
        "keys":["f12"],
        "command":"side_bar_files_open_with",
        "args":{
            "paths":[],
            "application":"d:\\firefox\\firefox.exe"
 
,
            "extensions":".*"
        }
    },
    //按ctrl+f12用谷歌瀏覽器開啟
    {
        "keys":["ctrl+f12"],
        "command":"side_bar_files_open_with",
        "args":{
            "paths":[],
            "application":"d:\\Chrome\\Chrome.exe",
            "extensions":".*"
        }
    }
]