diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7a2a8bee0..a2df501d0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,3 +16,4 @@
 - [Fix config file format misspell](https://github.com/Tencent/spring-cloud-tencent/pull/320)
 - [feat:Add GitHub action of codecov.yml.](https://github.com/Tencent/spring-cloud-tencent/pull/330)
 - [Feature: add spring cloud tencent logo](https://github.com/Tencent/spring-cloud-tencent/pull/331)
+- [UT: add metadata-transfer unit test](https://github.com/Tencent/spring-cloud-tencent/pull/334)
diff --git a/spring-cloud-starter-tencent-metadata-transfer/src/test/java/com/tencent/cloud/metadata/CustomTransitiveMetadataResolverTest.java b/spring-cloud-starter-tencent-metadata-transfer/src/test/java/com/tencent/cloud/metadata/CustomTransitiveMetadataResolverTest.java
new file mode 100644
index 000000000..463c093d4
--- /dev/null
+++ b/spring-cloud-starter-tencent-metadata-transfer/src/test/java/com/tencent/cloud/metadata/CustomTransitiveMetadataResolverTest.java
@@ -0,0 +1,55 @@
+/*
+ * Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
+ *
+ * Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
+ *
+ * Licensed under the BSD 3-Clause License (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * https://opensource.org/licenses/BSD-3-Clause
+ *
+ * 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.
+ *
+ */
+
+package com.tencent.cloud.metadata;
+
+import java.util.Map;
+
+import com.tencent.cloud.metadata.core.CustomTransitiveMetadataResolver;
+import org.assertj.core.api.Assertions;
+import org.junit.Test;
+
+import org.springframework.mock.http.server.reactive.MockServerHttpRequest;
+import org.springframework.mock.web.MockHttpServletRequest;
+import org.springframework.mock.web.server.MockServerWebExchange;
+
+/**
+ * Test for {@link CustomTransitiveMetadataResolver}.
+ * @author quan
+ */
+public class CustomTransitiveMetadataResolverTest {
+
+	@Test
+	public void test() {
+		MockServerHttpRequest.BaseBuilder<?> builder = MockServerHttpRequest.get("");
+		builder.header("X-SCT-Metadata-Transitive-a", "test");
+		MockServerWebExchange exchange = MockServerWebExchange.from(builder);
+		Map<String, String> resolve = CustomTransitiveMetadataResolver.resolve(exchange);
+		Assertions.assertThat(resolve.size()).isEqualTo(1);
+		Assertions.assertThat(resolve.get("a")).isEqualTo("test");
+	}
+
+	@Test
+	public void testServlet() {
+		MockHttpServletRequest request = new MockHttpServletRequest();
+		request.addHeader("X-SCT-Metadata-Transitive-a", "test");
+		Map<String, String> resolve = CustomTransitiveMetadataResolver.resolve(request);
+		Assertions.assertThat(resolve.size()).isEqualTo(1);
+		Assertions.assertThat(resolve.get("a")).isEqualTo("test");
+	}
+}
diff --git a/spring-cloud-starter-tencent-metadata-transfer/src/test/java/com/tencent/cloud/metadata/core/filter/EncodeTransferMedataScgFilterTest.java b/spring-cloud-starter-tencent-metadata-transfer/src/test/java/com/tencent/cloud/metadata/core/filter/EncodeTransferMedataScgFilterTest.java
new file mode 100644
index 000000000..c09c01b0a
--- /dev/null
+++ b/spring-cloud-starter-tencent-metadata-transfer/src/test/java/com/tencent/cloud/metadata/core/filter/EncodeTransferMedataScgFilterTest.java
@@ -0,0 +1,78 @@
+/*
+ * Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
+ *
+ * Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
+ *
+ * Licensed under the BSD 3-Clause License (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * https://opensource.org/licenses/BSD-3-Clause
+ *
+ * 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.
+ *
+ */
+
+package com.tencent.cloud.metadata.core.filter;
+
+import java.io.UnsupportedEncodingException;
+import java.net.URLDecoder;
+import java.util.Map;
+
+import com.tencent.cloud.common.constant.MetadataConstant;
+import com.tencent.cloud.common.util.JacksonUtils;
+import com.tencent.cloud.metadata.core.EncodeTransferMedataScgFilter;
+import org.assertj.core.api.Assertions;
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.cloud.gateway.filter.GatewayFilterChain;
+import org.springframework.context.ApplicationContext;
+import org.springframework.mock.http.server.reactive.MockServerHttpRequest;
+import org.springframework.mock.web.server.MockServerWebExchange;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import static org.springframework.boot.test.context.SpringBootTest.WebEnvironment.RANDOM_PORT;
+
+/**
+ * Test for {@link EncodeTransferMedataScgFilter}.
+ * @author quan
+ */
+@RunWith(SpringRunner.class)
+@SpringBootTest(webEnvironment = RANDOM_PORT,
+		classes = EncodeTransferMedataScgFilterTest.TestApplication.class,
+		properties = { "spring.config.location = classpath:application-test.yml", "spring.main.web-application-type = reactive" })
+public class EncodeTransferMedataScgFilterTest {
+
+	@Autowired
+	private ApplicationContext applicationContext;
+
+	@Mock
+	private GatewayFilterChain chain;
+
+	@Test
+	public void testTransitiveMetadataFromApplicationConfig() throws UnsupportedEncodingException {
+		EncodeTransferMedataScgFilter filter = applicationContext.getBean(EncodeTransferMedataScgFilter.class);
+		MockServerHttpRequest.BaseBuilder<?> builder = MockServerHttpRequest.get("");
+		MockServerWebExchange exchange = MockServerWebExchange.from(builder);
+		filter.filter(exchange, chain);
+		String metadataStr = exchange.getRequest().getHeaders().getFirst(MetadataConstant.HeaderName.CUSTOM_METADATA);
+		String decode = URLDecoder.decode(metadataStr, "UTF-8");
+		Map<String, String> transitiveMap = JacksonUtils.deserialize2Map(decode);
+		Assertions.assertThat(transitiveMap.size()).isEqualTo(1);
+		Assert.assertEquals(transitiveMap.get("b"), "2");
+	}
+
+	@SpringBootApplication
+	protected static class TestApplication {
+
+	}
+}