fix:fix tsf lossless not working bug.

spring-cloud-tencent-examples/tsf-example/consumer-demo/pom.xml

@@ -26,5 +26,10 @@
 			<groupId>org.springframework.cloud</groupId>
 			<artifactId>spring-cloud-starter-openfeign</artifactId>
 		</dependency>
+
+		<dependency>
+			<groupId>org.springframework.cloud</groupId>
+			<artifactId>spring-cloud-starter-bootstrap</artifactId>
+		</dependency>
 	</dependencies>
 </project>

spring-cloud-tencent-polaris-context/src/main/java/com/tencent/cloud/polaris/context/config/extend/tsf/TsfCoreEnvironmentPostProcessor.java

@@ -72,6 +72,8 @@ public final class TsfCoreEnvironmentPostProcessor implements EnvironmentPostPro
 			String polarisAdminPort = environment.getProperty("polaris_admin_port");
 			if (StringUtils.isNotBlank(polarisAdminPort)) {
 				defaultProperties.put("spring.cloud.polaris.lossless.enabled", environment.getProperty("spring.cloud.polaris.lossless.enabled", "true"));
+				// for tsf health check.
+				defaultProperties.put("spring.cloud.polaris.stat.enabled", environment.getProperty("spring.cloud.polaris.stat.enabled", "true"));
 			}
 
 			String tsfPreferIpv6 = environment.getProperty("tsf_prefer_ipv6");