diff --git a/spring-cloud-starter-tencent-polaris-config/src/test/java/com/tencent/cloud/polaris/config/adapter/PolarisConfigFileLocatorTest.java b/spring-cloud-starter-tencent-polaris-config/src/test/java/com/tencent/cloud/polaris/config/adapter/PolarisConfigFileLocatorTest.java
index 6869b59e6..e7bbc6f86 100644
--- a/spring-cloud-starter-tencent-polaris-config/src/test/java/com/tencent/cloud/polaris/config/adapter/PolarisConfigFileLocatorTest.java
+++ b/spring-cloud-starter-tencent-polaris-config/src/test/java/com/tencent/cloud/polaris/config/adapter/PolarisConfigFileLocatorTest.java
@@ -80,8 +80,10 @@ public class PolarisConfigFileLocatorTest {
 		Map<String, Object> emptyMap = new HashMap<>();
 		ConfigKVFile emptyConfigFile = new MockedConfigKVFile(emptyMap);
 		when(configFileService.getConfigYamlFile(testNamespace, testServiceName, "application.yml")).thenReturn(emptyConfigFile);
+		when(configFileService.getConfigYamlFile(testNamespace, testServiceName, "application.yaml")).thenReturn(emptyConfigFile);
 		when(configFileService.getConfigPropertiesFile(testNamespace, testServiceName, "bootstrap.properties")).thenReturn(emptyConfigFile);
 		when(configFileService.getConfigYamlFile(testNamespace, testServiceName, "bootstrap.yml")).thenReturn(emptyConfigFile);
+		when(configFileService.getConfigYamlFile(testNamespace, testServiceName, "bootstrap.yaml")).thenReturn(emptyConfigFile);
 
 		when(polarisConfigProperties.getGroups()).thenReturn(null);
 		when(environment.getActiveProfiles()).thenReturn(new String[] {});
@@ -120,11 +122,15 @@ public class PolarisConfigFileLocatorTest {
 		Map<String, Object> emptyMap = new HashMap<>();
 		ConfigKVFile emptyConfigFile = new MockedConfigKVFile(emptyMap);
 		when(configFileService.getConfigYamlFile(testNamespace, testServiceName, "application.yml")).thenReturn(emptyConfigFile);
+		when(configFileService.getConfigYamlFile(testNamespace, testServiceName, "application.yaml")).thenReturn(emptyConfigFile);
 		when(configFileService.getConfigYamlFile(testNamespace, testServiceName, "application-dev.yml")).thenReturn(emptyConfigFile);
+		when(configFileService.getConfigYamlFile(testNamespace, testServiceName, "application-dev.yaml")).thenReturn(emptyConfigFile);
 		when(configFileService.getConfigPropertiesFile(testNamespace, testServiceName, "bootstrap.properties")).thenReturn(emptyConfigFile);
 		when(configFileService.getConfigPropertiesFile(testNamespace, testServiceName, "bootstrap-dev.properties")).thenReturn(emptyConfigFile);
 		when(configFileService.getConfigYamlFile(testNamespace, testServiceName, "bootstrap.yml")).thenReturn(emptyConfigFile);
+		when(configFileService.getConfigYamlFile(testNamespace, testServiceName, "bootstrap.yaml")).thenReturn(emptyConfigFile);
 		when(configFileService.getConfigYamlFile(testNamespace, testServiceName, "bootstrap-dev.yml")).thenReturn(emptyConfigFile);
+		when(configFileService.getConfigYamlFile(testNamespace, testServiceName, "bootstrap-dev.yaml")).thenReturn(emptyConfigFile);
 
 		when(polarisConfigProperties.getGroups()).thenReturn(null);
 		when(environment.getActiveProfiles()).thenReturn(new String[] {"dev"});
@@ -149,8 +155,10 @@ public class PolarisConfigFileLocatorTest {
 
 		when(configFileService.getConfigPropertiesFile(testNamespace, testServiceName, "application.properties")).thenReturn(emptyConfigFile);
 		when(configFileService.getConfigYamlFile(testNamespace, testServiceName, "application.yml")).thenReturn(emptyConfigFile);
+		when(configFileService.getConfigYamlFile(testNamespace, testServiceName, "application.yaml")).thenReturn(emptyConfigFile);
 		when(configFileService.getConfigPropertiesFile(testNamespace, testServiceName, "bootstrap.properties")).thenReturn(emptyConfigFile);
 		when(configFileService.getConfigYamlFile(testNamespace, testServiceName, "bootstrap.yml")).thenReturn(emptyConfigFile);
+		when(configFileService.getConfigYamlFile(testNamespace, testServiceName, "bootstrap.yaml")).thenReturn(emptyConfigFile);
 
 		List<ConfigFileGroup> customFiles = new LinkedList<>();
 		ConfigFileGroup configFileGroup = new ConfigFileGroup();