问测试rail抛出401未授权错误，即使使用正确的授权

EN

public static void SendHttpRequest(String jsonStr, String runId)

            String URL = prop.getProperty("TEST_RAIL_URL") + runId;  
            //TEST_RAIL_URL - https://testrail.xxxxxx.com/index.php?/api/v2/add_results_for_cases/
            java.net.URL urlObj = new java.net.URL(URL);

            HttpsURLConnection con = null;
            con = (HttpsURLConnection) urlObj.openConnection();
            con.setRequestMethod(prop.getProperty("API_METHOD"));
            //API_METHOD = POST
            con.setRequestProperty("Content-Type", prop.getProperty("API_CONTENT_TYPE"));
            //API_CONTENT_TYPE = application/json
            con.setRequestProperty("Authorization", prop.getProperty("API_AUTHORIZATION"));
            //API_AUTHORIZATION = Basic <base 64 encoded api key>

            System.out.println("Test Rail connection ready");
            System.out.println(con);
            con.setDoOutput(true);

            DataOutputStream outObj = new DataOutputStream(con.getOutputStream());
            outObj.writeBytes(jsonStr);
            outObj.flush();
            outObj.close();
            System.out.println("API request made to Test Rail");

Test Rail connection ready
sun.net.www.protocol.https.DelegateHttpsURLConnection:https://testrail.xxxxxx.com/index.php?/api/v2/add_results_for_cases/56
API request made to Test Rail
Dec 24, 2019 9:37:17 PM com.testrail.integration.TestRailInt SendHttpRequest
INFO: 401Unauthorized
Dec 24, 2019 9:37:17 PM com.testrail.integration.TestRailInt SendHttpRequest
INFO: {"error":"Authentication failed: invalid or missing user\/password or session cookie."}
401Unauthorized
{"error":"Authentication failed: invalid or missing user\/password or session cookie."}
Dec 24, 2019 9:37:17 PM com.testrail.integration.TestRailInt main
INFO: Enter finally. Closing