diff --git a/ft/normal_test.robot b/ft/normal_test.robot
index df1239ae..56e555ae 100644
--- a/ft/normal_test.robot
+++ b/ft/normal_test.robot
@@ -6,10 +6,15 @@ Suite Setup	Start Neuronx
 Suite Teardown	Stop Neuronx
 
 *** Test Cases ***
-login with invalid username and password, it should return failure
+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_OR_PASSWORD}
+    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"}
diff --git a/ft/resource/error.resource b/ft/resource/error.resource
index 2d75e1ab..578f0feb 100644
--- a/ft/resource/error.resource
+++ b/ft/resource/error.resource
@@ -16,6 +16,10 @@ ${NEU_ERR_FILE_NOT_EXIST}                       1011
 ${NEU_ERR_INVALID_PASSWORD_LEN}                 1012
 ${NEU_ERR_DUPLICATE_PASSWORD}                   1013
 ${NEU_ERR_COMMAND_EXECUTION_FAILED}             1014
+${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/include/neuron/errcodes.h b/include/neuron/errcodes.h
index ed4ecc3a..b89c9f18 100644
--- a/include/neuron/errcodes.h
+++ b/include/neuron/errcodes.h
@@ -45,6 +45,10 @@ typedef enum {
     NEU_ERR_INVALID_PASSWORD_LEN     = 1012,
     NEU_ERR_DUPLICATE_PASSWORD       = 1013,
     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 52fb800a..1d013c1c 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_OR_PASSWORD, {
+                NEU_JSON_RESPONSE_ERROR(NEU_ERR_INVALID_USER, {
                     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_USER_OR_PASSWORD, {
+                NEU_JSON_RESPONSE_ERROR(NEU_ERR_INVALID_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_OR_PASSWORD;
+                rv = NEU_ERR_INVALID_USER;
             } else if (!neu_user_check_password(user, req->old_pass)) {
                 nlog_error("user `%s` password check fail", req->name);
-                rv = NEU_ERR_INVALID_USER_OR_PASSWORD;
+                rv = NEU_ERR_INVALID_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 de2f9f99..5b9daef4 100644
--- a/src/utils/http.c
+++ b/src/utils/http.c
@@ -317,6 +317,8 @@ 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: