go-common/app/common/openplatform/geetest/config.json

{
    "host":
    {
        "geetest":"http://api.geetest.com"
    },
    "httpclient":
    {
        "dial":1,
        "keepAlive":1
    },
    "secret":
    {
        "captchaId":"",
        "privateKey":""
    }
}