安卓在进行post请求时返回的数据不成功

服务器地址正确,做的是登录的接口,返回的内容如下:
2019-05-08 16:47:47.971 29530-29559/? I/OkGo: Server: nginx/1.6.2
2019-05-08 16:47:47.971 29530-29559/? I/OkGo: Date: Wed, 08 May 2019 08:47:49 GMT
2019-05-08 16:47:47.971 29530-29559/? I/OkGo: Content-Type: application/json;charset=UTF-8
2019-05-08 16:47:47.972 29530-29559/? I/OkGo: Transfer-Encoding: chunked
2019-05-08 16:47:47.972 29530-29559/? I/OkGo: Connection: keep-alive
2019-05-08 16:47:47.972 29530-29559/? I/OkGo: Access-Control-Allow-Credentials: true
2019-05-08 16:47:47.972 29530-29559/? I/OkGo: Access-Control-Allow-Methods: POST, GET, OPTIONS, DELETE
2019-05-08 16:47:47.972 29530-29559/? I/OkGo: Access-Control-Max-Age: 3600
2019-05-08 16:47:47.972 29530-29559/? I/OkGo: Access-Control-Allow-Headers: x-requested-with,Authorize,Authorization,Content-Type
2019-05-08 16:47:47.973 29530-29559/? I/OkGo: Content-Disposition: inline;filename=f.txt
2019-05-08 16:47:47.973 29530-29559/? I/OkGo:

2019-05-08 16:47:47.974 29530-29559/? I/OkGo: body:{"type":"EXCEPTION","code":4005,"message":"未知错误:Content type 'application/x-www-form-urlencoded;charset=UTF-8' not supported","data":{}}
2019-05-08 16:47:47.975 29530-29559/? I/OkGo: <-- END HTTP

部分代码为:
String url = "服务器地址";
String token = "15be98e808916c782c0bf33566801a24dba6aeae10400c3fe5c1b5786376e807974138bfa952c07b8b13b61de44e6a23";
LoginHttp loginHttp = new LoginHttp();
loginHttp.loginHttp(url, token, new StringCallback() {
@Override
public void onSuccess(Response response) {
Log.d("登录成功11", response.body());
Gson gson = new Gson();
UserLogin userLogin = gson.fromJson(response.body(), UserLogin.class);
if (userLogin.getCode() == 2000) {

                                }
                            }

使用postman进行接口测试

官网下载:https://www.getpostman.com/

报错都写的清清楚楚:请求类型错误。你应该以json的格式去请求"application/json;charset=UTF-8"