diff --git a/ft/normal_test.robot b/ft/normal_test.robot
deleted file mode 100644
index 961145bb1..000000000
--- a/ft/normal_test.robot
+++ /dev/null
@@ -1,22 +0,0 @@
-*** Settings ***
-Resource 	resource/api.resource
-Resource	resource/common.resource
-Resource	resource/error.resource
-Suite Setup	Start Neuronx
-Suite Teardown	Stop Neuronx
-
-*** Test Cases ***
-login with invalid username, it should return failure
-    POST       /api/v2/login      {"name":"admin1", "pass": "0000"}
-    Integer    response status    401
-    Integer    $.error            ${NEU_ERR_INVALID_USER}
-
-login with invalid password, it should return failure
-    POST       /api/v2/login      {"name":"admin", "pass": "2333"}
-    Integer    response status    401
-    Integer    $.error            ${NEU_ERR_INVALID_PASSWORD}
-
-login with username and password, it should return success
-    POST       /api/v2/login      {"name":"admin", "pass": "0000"}
-    Integer    response status    200
-    output     $.token
\ No newline at end of file
diff --git a/include/neuron/errcodes.h b/include/neuron/errcodes.h
index 65337abbf..e2153f6a4 100644
--- a/include/neuron/errcodes.h
+++ b/include/neuron/errcodes.h
@@ -47,8 +47,6 @@ typedef enum {
     NEU_ERR_COMMAND_EXECUTION_FAILED = 1014,
     NEU_ERR_IP_ADDRESS_INVALID       = 1015,
     NEU_ERR_IP_ADDRESS_IN_USE        = 1016,
-    NEU_ERR_INVALID_USER             = 1017,
-    NEU_ERR_INVALID_PASSWORD         = 1018,
 
     NEU_ERR_NODE_EXIST               = 2002,
     NEU_ERR_NODE_NOT_EXIST           = 2003,
diff --git a/plugins/restful/normal_handle.c b/plugins/restful/normal_handle.c
index 1d013c1ce..52fb800a6 100644
--- a/plugins/restful/normal_handle.c
+++ b/plugins/restful/normal_handle.c
@@ -58,7 +58,7 @@ void handle_login(nng_aio *aio)
 
             if (NULL == user) {
                 nlog_error("could not find user `%s`", req->name);
-                NEU_JSON_RESPONSE_ERROR(NEU_ERR_INVALID_USER, {
+                NEU_JSON_RESPONSE_ERROR(NEU_ERR_INVALID_USER_OR_PASSWORD, {
                     neu_http_response(aio, error_code.error, result_error);
                 });
             } else if (pass_len < NEU_USER_PASSWORD_MIN_LEN ||
@@ -90,7 +90,7 @@ void handle_login(nng_aio *aio)
                 free(result);
             } else {
                 nlog_error("user `%s` password check fail", req->name);
-                NEU_JSON_RESPONSE_ERROR(NEU_ERR_INVALID_PASSWORD, {
+                NEU_JSON_RESPONSE_ERROR(NEU_ERR_INVALID_USER_OR_PASSWORD, {
                     neu_http_response(aio, error_code.error, result_error);
                 });
             }
@@ -114,10 +114,10 @@ void handle_password(nng_aio *aio)
                 rv = NEU_ERR_INVALID_PASSWORD_LEN;
             } else if (NULL == (user = neu_load_user(req->name))) {
                 nlog_error("could not find user `%s`", req->name);
-                rv = NEU_ERR_INVALID_USER;
+                rv = NEU_ERR_INVALID_USER_OR_PASSWORD;
             } else if (!neu_user_check_password(user, req->old_pass)) {
                 nlog_error("user `%s` password check fail", req->name);
-                rv = NEU_ERR_INVALID_PASSWORD;
+                rv = NEU_ERR_INVALID_USER_OR_PASSWORD;
             } else if (0 !=
                        (rv = neu_user_update_password(user, req->new_pass))) {
                 nlog_error("user `%s` update password fail", req->name);
diff --git a/src/utils/http.c b/src/utils/http.c
index 98291c260..42653659e 100644
--- a/src/utils/http.c
+++ b/src/utils/http.c
@@ -317,8 +317,6 @@ int neu_http_response(nng_aio *aio, neu_err_code_e code, char *content)
     case NEU_ERR_NEED_TOKEN:
     case NEU_ERR_DECODE_TOKEN:
     case NEU_ERR_INVALID_USER_OR_PASSWORD:
-    case NEU_ERR_INVALID_USER:
-    case NEU_ERR_INVALID_PASSWORD:
         status = NNG_HTTP_STATUS_UNAUTHORIZED;
         break;
     case NEU_ERR_BODY_IS_WRONG:
diff --git a/tests/ft/login/test_login.py b/tests/ft/login/test_login.py
index 26fa77dc3..d74bb22cf 100644
--- a/tests/ft/login/test_login.py
+++ b/tests/ft/login/test_login.py
@@ -3,6 +3,7 @@
 
 import neuron.api as api
 from neuron.common import *
+from neuron.error import *
 
 
 class TestLogin:
@@ -16,11 +17,13 @@ def test_login_success(self):
     def test_login_invalid_user(self):
         response = api.login('invalid_user')
         assert 401 == response.status_code
+        assert NEU_ERR_INVALID_USER_OR_PASSWORD == response.json()['error']
 
     @description(given="invalid password", when="login", then="login failed")
     def test_login_invalid_password(self):
         response = api.login(password='invalid_password')
         assert 401 == response.status_code
+        assert NEU_ERR_INVALID_USER_OR_PASSWORD == response.json()['error']
 
     @description(given="user, old and new password", when="change password", then="change success")
     def test_change_password(self):