HTTP请求添加header

return [self POST:@""
           parameters:requestDic
              headers:@{@"onlycode": deviceId ? deviceId : @""}
             progress:nil
              success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {

        [BFModule(TransitionModuleService) dismissLoading];
//        [WTLoadingView dismissGifLoading];

        NSString *responseStr =
        [BFModule(LMEncryptToolModuleService) dencryptResponse:[responseObject objectForKey:@"body"] withKey:nil vector:nil];
        NSDictionary *responseDic = [self getDicWithString:responseStr];

        NSString *result_code = [responseDic valueForKey:@"result_code"];
        if ([result_code isEqualToString:kLMHttpLoginErrorCode]) {

            [[NSNotificationCenter defaultCenter] postNotificationName:kUserKickOutNotify object:nil];

        } else {

            if (success) success(task, responseDic);

        }
    } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {

        [BFModule(TransitionModuleService) dismissLoading];
        if (failure) failure(task, error);
    }];