diff --git a/CHANGELOG.md b/CHANGELOG.md
index a1c8d8a8f..40427df17 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -20,4 +20,5 @@
 - [feat: support 2.0.0 config](https://github.com/Tencent/spring-cloud-tencent/pull/1463)
 - [feat:upgrade trace plugin.](https://github.com/Tencent/spring-cloud-tencent/pull/1467)
 - [feat:upgrade 2.0.0 service.](https://github.com/Tencent/spring-cloud-tencent/pull/1471)
-- [fix:fix zuul delay circuit breaker.](https://github.com/Tencent/spring-cloud-tencent/pull/1519)
\ No newline at end of file
+- [fix:fix zuul delay circuit breaker.](https://github.com/Tencent/spring-cloud-tencent/pull/1519)
+- [fix:fix watch tsf config, fix bean refresh with RefreshScope and ConfigurationProperties.](https://github.com/Tencent/spring-cloud-tencent/pull/1520)
\ No newline at end of file
diff --git a/spring-cloud-starter-tencent-polaris-config/src/main/java/com/tencent/cloud/polaris/config/adapter/PolarisConfigFileLocator.java b/spring-cloud-starter-tencent-polaris-config/src/main/java/com/tencent/cloud/polaris/config/adapter/PolarisConfigFileLocator.java
index 9e4ca27cf..8b3f96b96 100644
--- a/spring-cloud-starter-tencent-polaris-config/src/main/java/com/tencent/cloud/polaris/config/adapter/PolarisConfigFileLocator.java
+++ b/spring-cloud-starter-tencent-polaris-config/src/main/java/com/tencent/cloud/polaris/config/adapter/PolarisConfigFileLocator.java
@@ -315,13 +315,13 @@ public class PolarisConfigFileLocator implements PropertySourceLocator {
 
 	public static ConfigKVFile loadConfigKVFile(ConfigFileService configFileService, String namespace, String group, String fileName) {
 		ConfigKVFile configKVFile;
-		// unknown extension is resolved as properties file
-		if (ConfigFileFormat.isPropertyFile(fileName) || ConfigFileFormat.isUnknownFile(fileName)) {
-			configKVFile = configFileService.getConfigPropertiesFile(namespace, group, fileName);
-		}
-		else if (ConfigFileFormat.isYamlFile(fileName)) {
+		// unknown extension is resolved as yaml file
+		if (ConfigFileFormat.isYamlFile(fileName) || ConfigFileFormat.isUnknownFile(fileName)) {
 			configKVFile = configFileService.getConfigYamlFile(namespace, group, fileName);
 		}
+		else if (ConfigFileFormat.isPropertyFile(fileName)) {
+			configKVFile = configFileService.getConfigPropertiesFile(namespace, group, fileName);
+		}
 		else {
 			LOGGER.warn("[SCT Config] Unsupported config file. namespace = {}, group = {}, fileName = {}", namespace, group, fileName);
 
diff --git a/spring-cloud-starter-tencent-polaris-config/src/main/java/com/tencent/cloud/polaris/config/spring/annotation/PolarisProcessor.java b/spring-cloud-starter-tencent-polaris-config/src/main/java/com/tencent/cloud/polaris/config/spring/annotation/PolarisProcessor.java
index 1ba9eb02d..417590929 100644
--- a/spring-cloud-starter-tencent-polaris-config/src/main/java/com/tencent/cloud/polaris/config/spring/annotation/PolarisProcessor.java
+++ b/spring-cloud-starter-tencent-polaris-config/src/main/java/com/tencent/cloud/polaris/config/spring/annotation/PolarisProcessor.java
@@ -58,6 +58,7 @@ public abstract class PolarisProcessor implements BeanPostProcessor, PriorityOrd
 		catch (Exception ignored) {
 			// ignore
 		}
+		processClass(bean, beanName, clazz, isRefreshScope);
 
 		for (Field field : findAllField(clazz)) {
 			processField(bean, beanName, field, isRefreshScope);
@@ -73,6 +74,11 @@ public abstract class PolarisProcessor implements BeanPostProcessor, PriorityOrd
 		return bean;
 	}
 
+	/**
+	 * subclass should implement this method to process class.
+	 */
+	protected abstract void processClass(Object bean, String beanName, Class<?> clazz, boolean isRefreshScope);
+
 	/**
 	 * subclass should implement this method to process field.
 	 * @param bean bean
diff --git a/spring-cloud-starter-tencent-polaris-config/src/main/java/com/tencent/cloud/polaris/config/spring/annotation/SpringValueProcessor.java b/spring-cloud-starter-tencent-polaris-config/src/main/java/com/tencent/cloud/polaris/config/spring/annotation/SpringValueProcessor.java
index d925d7cfe..19e4a0f56 100644
--- a/spring-cloud-starter-tencent-polaris-config/src/main/java/com/tencent/cloud/polaris/config/spring/annotation/SpringValueProcessor.java
+++ b/spring-cloud-starter-tencent-polaris-config/src/main/java/com/tencent/cloud/polaris/config/spring/annotation/SpringValueProcessor.java
@@ -109,6 +109,15 @@ public class SpringValueProcessor extends PolarisProcessor implements BeanDefini
 	}
 
 
+	@Override
+	protected void processClass(Object bean, String beanName, Class<?> clazz, boolean isRefreshScope) {
+		ConfigurationProperties configurationProperties = clazz.getAnnotation(ConfigurationProperties.class);
+		if (configurationProperties != null && isRefreshScope) {
+			// A bean with RefreshScope and ConfigurationProperties can't be refreshed by reflection, because it's proxied by Spring AOP. Related keys needs to be registered
+			parseConfigurationPropertiesKeys(configurationProperties, clazz);
+		}
+	}
+
 	@Override
 	protected void processField(Object bean, String beanName, Field field, boolean isRefreshScope) {
 		// register @Value on field
diff --git a/spring-cloud-starter-tencent-polaris-config/src/test/java/com/tencent/cloud/polaris/config/spring/annotation/RefreshScopeSpringProcessorTest.java b/spring-cloud-starter-tencent-polaris-config/src/test/java/com/tencent/cloud/polaris/config/spring/annotation/RefreshScopeSpringProcessorTest.java
index 11b17db59..d4ca75d4e 100644
--- a/spring-cloud-starter-tencent-polaris-config/src/test/java/com/tencent/cloud/polaris/config/spring/annotation/RefreshScopeSpringProcessorTest.java
+++ b/spring-cloud-starter-tencent-polaris-config/src/test/java/com/tencent/cloud/polaris/config/spring/annotation/RefreshScopeSpringProcessorTest.java
@@ -87,6 +87,7 @@ public class RefreshScopeSpringProcessorTest {
 				.withConfiguration(AutoConfigurations.of(TestConfig5.class))
 				.withConfiguration(AutoConfigurations.of(TestBeanProperties1.class))
 				.withConfiguration(AutoConfigurations.of(TestBeanProperties2.class))
+				.withConfiguration(AutoConfigurations.of(TestBeanProperties3.class))
 				.withConfiguration(AutoConfigurations.of(PolarisConfigAutoConfiguration.class))
 				.withAllowBeanDefinitionOverriding(true)
 				.withPropertyValues("spring.application.name=" + "conditionalOnConfigReflectEnabledTest")
@@ -124,6 +125,9 @@ public class RefreshScopeSpringProcessorTest {
 			assertThat(springValueRegistry.isRefreshScopeKey("test.properties2.map.key")).isTrue();
 
 			assertThat(springValueRegistry.isRefreshScopeKey("test.properties2.notExist")).isFalse();
+			// @RefreshScope and @ConfigurationProperties on @Component bean
+			assertThat(springValueRegistry.isRefreshScopeKey("test.properties3.name")).isTrue();
+			assertThat(springValueRegistry.isRefreshScopeKey("test.properties3.notExist")).isFalse();
 			// @RefreshScope and @Bean on method, @Value bean in class
 			assertThat(springValueRegistry.isRefreshScopeKey("test.bean5.name")).isTrue();
 		});
@@ -319,6 +323,21 @@ public class RefreshScopeSpringProcessorTest {
 		}
 	}
 
+	@Component
+	@RefreshScope
+	@ConfigurationProperties(prefix = "test.properties3")
+	static class TestBeanProperties3 {
+		private String name;
+
+		public String getName() {
+			return name;
+		}
+
+		public void setName(String name) {
+			this.name = name;
+		}
+	}
+
 	static class InnerProperties {
 		private String name;