diff --git a/interfaces/kits/js/include/native_devicemanager_js.h b/interfaces/kits/js/include/native_devicemanager_js.h
index 8db0b602..3efde146 100644
--- a/interfaces/kits/js/include/native_devicemanager_js.h
+++ b/interfaces/kits/js/include/native_devicemanager_js.h
@@ -25,6 +25,7 @@
 #include "dm_native_event.h"
 #include "dm_subscribe_info.h"
 #include "dm_anonymous.h"
+#include "dm_error_message.h"
 #include "napi/native_api.h"
 #include "napi/native_node_api.h"
 #include "nlohmann/json.hpp"
diff --git a/interfaces/kits/js/src/native_devicemanager_js.cpp b/interfaces/kits/js/src/native_devicemanager_js.cpp
index a4d00bda..645828e7 100644
--- a/interfaces/kits/js/src/native_devicemanager_js.cpp
+++ b/interfaces/kits/js/src/native_devicemanager_js.cpp
@@ -473,6 +473,8 @@ void DeviceManagerNapi::OnDiscoveryFailed(uint16_t subscribeId, int32_t failedRe
     napi_create_object(env_, &result);
     SetValueInt32(env_, "subscribeId", (int)subscribeId, result);
     SetValueInt32(env_, "reason", (int)failedReason, result);
+    std::string errCodeInfo = OHOS::DistributedHardware::GetErrorString((int)failedReason);
+    SetValueUtf8String(env_, "errInfo", errCodeInfo, result);
     OnEvent("discoverFail", DM_NAPI_ARGS_ONE, &result);
 }
 
@@ -494,6 +496,8 @@ void DeviceManagerNapi::OnAuthResult(const std::string &deviceId, const std::str
         napi_create_object(env_, &result[0]);
         SetValueInt32(env_, "code", status, result[0]);
         SetValueInt32(env_, "reason", reason, result[0]);
+        std::string errCodeInfo = OHOS::DistributedHardware::GetErrorString((int)reason);
+        SetValueUtf8String(env_, "errInfo", errCodeInfo, result[0]);
         napi_get_undefined(env_, &result[1]);
     }
 
diff --git a/utils/BUILD.gn b/utils/BUILD.gn
index e877585c..ff1b4842 100644
--- a/utils/BUILD.gn
+++ b/utils/BUILD.gn
@@ -41,6 +41,7 @@ if (defined(ohos_lite)) {
 
       sources = [
         "${utils_path}/src/dm_anonymous.cpp",
+        "${utils_path}/src/dm_error_message.cpp",
         "${utils_path}/src/dm_log.cpp",
         "${utils_path}/src/dm_random.cpp",
         "${utils_path}/src/permission/lite/permission_manager.cpp",
@@ -91,6 +92,7 @@ if (defined(ohos_lite)) {
       ]
       sources = [
         "src/dm_anonymous.cpp",
+        "src/dm_error_message.cpp",
         "src/dm_log.cpp",
         "src/dm_random.cpp",
         "src/fwkload/lite/dm_distributed_hardware_load.cpp",
@@ -131,6 +133,7 @@ if (defined(ohos_lite)) {
   ohos_shared_library("devicemanagerutils") {
     sources = [
       "src/dm_anonymous.cpp",
+      "src/dm_error_message.cpp",
       "src/dm_hash.cpp",
       "src/dm_log.cpp",
       "src/dm_random.cpp",
diff --git a/utils/include/dm_error_message.h b/utils/include/dm_error_message.h
new file mode 100644
index 00000000..ba5dfe8e
--- /dev/null
+++ b/utils/include/dm_error_message.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2022 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef OHOS_DM_ERROMSG_H
+#define OHOS_DM_ERROMSG_H
+
+#include "dm_log.h"
+#include "dm_constants.h"
+
+#include <string>
+
+namespace OHOS {
+namespace DistributedHardware {
+std::string GetErrorString(int failedReason);
+} // namespace DistributedHardware
+} // namespace OHOS
+#endif // OHOS_DM_ERROMSG_H
diff --git a/utils/src/dm_error_message.cpp b/utils/src/dm_error_message.cpp
new file mode 100644
index 00000000..40008196
--- /dev/null
+++ b/utils/src/dm_error_message.cpp
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2022 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "dm_error_message.h"
+
+namespace OHOS {
+namespace DistributedHardware {
+typedef struct ERROR_INFO {
+    int errCode;
+    std::string errMsg;
+} ERROR_INFO;
+
+static ERROR_INFO g_errorMessages[] = {
+    {ERR_DM_FAILED, "dm process execution failed."},
+    {ERR_DM_TIME_OUT, "dm process execution timeout."},
+    {ERR_DM_NOT_INIT, "dm service is not initialized, please try again later."},
+    {ERR_DM_INIT_REPEATED, "dm service repeated initialization."},
+    {ERR_DM_INIT_FAILED, "dm service initialize failed."},
+    {ERR_DM_UNINIT_FAILED, "dm Service uninitialization failed."},
+    {ERR_DM_POINT_NULL, "dm service null pointer exception occurred."},
+    {ERR_DM_INPUT_PARAMETER_EMPTY, "the function call input parameter is empty."},
+    {ERR_DM_NO_PERMISSION, "no permission for function call."},
+    {ERR_DM_MALLOC_FAILED, "memory allocation failed."},
+    {ERR_DM_DISCOVERY_FAILED, "device discovery failed."},
+    {ERR_DM_MAP_KEY_ALREADY_EXISTS, "map key already exists."},
+    {DM_PROFILE_EVENTS_FAILED, "process profile events failed."},
+    {ERR_DM_IPC_WRITE_FAILED, "ipc write object failed."},
+    {ERR_DM_IPC_COPY_FAILED, "ipc copy data failed."},
+    {ERR_DM_IPC_SEND_REQUEST_FAILED, "ipc send request failed."},
+    {ERR_DM_UNSUPPORTED_IPC_COMMAND, "ipc command not supported."},
+    {ERR_DM_IPC_RESPOND_FAILED, "ipc process failed to receive response."},
+    {ERR_DM_IPC_WRITE_TOKEN_FAILED, "ipc write token failed."},
+    {ERR_DM_DISCOVERY_REPEATED, "repeat device discovery warning."},
+    {ERR_DM_UNSUPPORTED_AUTH_TYPE, "auth type not supported."},
+    {ERR_DM_AUTH_BUSINESS_BUSY, "authentication service is busy."},
+    {ERR_DM_AUTH_OPEN_SESSION_FAILED, "open auth session failed."},
+    {ERR_DM_AUTH_PEER_REJECT, "remote device refused to authorization."},
+    {ERR_DM_AUTH_REJECT, "local device refused to authorization."},
+    {ERR_DM_AUTH_FAILED, "authentication failed."},
+    {ERR_DM_AUTH_NOT_START, "auth process not started."},
+    {ERR_DM_AUTH_MESSAGE_INCOMPLETE, "authentication message is incomplete."},
+    {ERR_DM_CREATE_GROUP_FAILED, "create group failed."},
+};
+
+std::string GetErrorString(int failedReason)
+{
+    std::string errorMessage = "undefined error code.";
+    for (int32_t i = 0; i < sizeof(g_errorMessages); i++) {
+        if (failedReason == g_errorMessages[i].errCode) {
+            errorMessage = g_errorMessages[i].errMsg;
+            break;
+        }
+    }
+    return errorMessage;
+}
+} // namespace DistributedHardware
+} // namespace OHOS