diff --git a/test/unittest/UTTest_device_manager_impl_three.cpp b/test/unittest/UTTest_device_manager_impl_three.cpp
index fc58db7a74a8a5464ea7a9f0e12f5f9ec0991a82..4fec18209a9c054faae66cda9e76164cba92ba0c 100644
--- a/test/unittest/UTTest_device_manager_impl_three.cpp
+++ b/test/unittest/UTTest_device_manager_impl_three.cpp
@@ -1406,6 +1406,36 @@ HWTEST_F(DeviceManagerImplTest, UnRegisterPinHolderCallback_001, testing::ext::T
     ASSERT_EQ(ret, DM_OK);
     DeviceManager::GetInstance().UnInitDeviceManager(packName);
 }
+
+HWTEST_F(DeviceManagerImplTest, ImportAuthCode_301, testing::ext::TestSize.Level0)
+{
+    std::string pkgName = "com.ohos.test";
+    std::string authCode;
+    authCode.append(1025, 'a');
+    int32_t ret = DeviceManager::GetInstance().ImportAuthCode(pkgName, authCode);
+    ASSERT_EQ(ret, ERR_DM_INPUT_PARA_INVALID);
+}
+
+HWTEST_F(DeviceManagerImplTest, ImportAuthCode_302, testing::ext::TestSize.Level0)
+{
+    std::string pkgName = "com.ohos.ImportAuthCode";
+    std::string authCode = "950800";
+    EXPECT_CALL(*ipcClientProxyMock_, SendRequest(testing::_, testing::_, testing::_))
+        .Times(1)
+        .WillOnce(testing::Return(DM_OK));
+    int32_t ret = DeviceManager::GetInstance().ImportAuthCode(pkgName, authCode);
+    ASSERT_EQ(ret, DM_OK);
+}
+
+HWTEST_F(DeviceManagerImplTest, ExportAuthCode_301, testing::ext::TestSize.Level0)
+{
+    std::string authCode;
+    EXPECT_CALL(*ipcClientProxyMock_, SendRequest(testing::_, testing::_, testing::_))
+        .Times(1)
+        .WillOnce(testing::Return(ERR_DM_IPC_SEND_REQUEST_FAILED));
+    int32_t ret = DeviceManager::GetInstance().ExportAuthCode(authCode);
+    ASSERT_EQ(ret, ERR_DM_IPC_SEND_REQUEST_FAILED);
+}
 } // namespace
 } // namespace DistributedHardware
 } // namespace OHOS
diff --git a/test/unittest/UTTest_device_manager_service_three.cpp b/test/unittest/UTTest_device_manager_service_three.cpp
index 7a31597d6a91a5551b1eaabaf60cdb2db963981b..f944566c4a842cddd234ea3549eb38d6d7938e85 100644
--- a/test/unittest/UTTest_device_manager_service_three.cpp
+++ b/test/unittest/UTTest_device_manager_service_three.cpp
@@ -627,6 +627,35 @@ HWTEST_F(DeviceManagerServiceThreeTest, ClearDiscoveryCache_001, testing::ext::T
     DeviceManagerService::GetInstance().UninitDMServiceListener();
 }
 
+HWTEST_F(DeviceManagerServiceThreeTest, ImportAuthCode_302, testing::ext::TestSize.Level1)
+{
+    std::string pkgName;
+    std::string authCode;
+    EXPECT_CALL(*permissionManagerMock_, GetCallerProcessName(_)).WillOnce(Return(DM_OK));
+    EXPECT_CALL(*permissionManagerMock_, CheckProcessNameValidOnAuthCode(_)).WillOnce(Return(false));
+    int32_t ret = DeviceManagerService::GetInstance().ImportAuthCode(pkgName, authCode);
+    EXPECT_EQ(ret, ERR_DM_INPUT_PARA_INVALID);
+}
+
+HWTEST_F(DeviceManagerServiceThreeTest, ImportAuthCode_303, testing::ext::TestSize.Level1)
+{
+    std::string pkgName;
+    std::string authCode;
+    EXPECT_CALL(*permissionManagerMock_, GetCallerProcessName(_)).WillOnce(Return(ERR_DM_FAILED));
+    int32_t ret = DeviceManagerService::GetInstance().ImportAuthCode(pkgName, authCode);
+    EXPECT_EQ(ret, ERR_DM_FAILED);
+}
+
+HWTEST_F(DeviceManagerServiceThreeTest, ImportAuthCode_304, testing::ext::TestSize.Level1)
+{
+    std::string pkgName;
+    std::string authCode;
+    EXPECT_CALL(*permissionManagerMock_, GetCallerProcessName(_)).WillOnce(Return(DM_OK));
+    EXPECT_CALL(*permissionManagerMock_, CheckProcessNameValidOnAuthCode(_)).WillOnce(Return(true));
+    int32_t ret = DeviceManagerService::GetInstance().ImportAuthCode(pkgName, authCode);
+    EXPECT_EQ(ret, ERR_DM_INPUT_PARA_INVALID);
+}
+
 HWTEST_F(DeviceManagerServiceThreeTest, ValidateUnBindDeviceParams_301, testing::ext::TestSize.Level1)
 {
     std::string pkgName = "ohos.test.pkgName";