fix

spring-cloud-tencent-examples/quickstart-example/quickstart-caller-service/src/main/java/com/tencent/cloud/quickstart/caller/CustomMetadataProvider.java

@@ -27,8 +27,4 @@ import org.springframework.stereotype.Component;
 @Component
 public class CustomMetadataProvider implements InstanceMetadataProvider {
 
-	@Override
-	public String getRegion() {
-		return "huadong";
-	}
 }

spring-cloud-tencent-polaris-loadbalancer/src/main/java/com/tencent/cloud/polaris/loadbalancer/PolarisLoadBalancer.java

@@ -77,7 +77,7 @@ public class PolarisLoadBalancer extends DynamicServerListLoadBalancer<Server> {
 	@Override
 	public List<Server> getReachableServers() {
 		// Get servers first from the thread context
-		if (!CollectionUtils.isEmpty(THREAD_CACHE_SERVERS.get())) {
+		if (THREAD_CACHE_SERVERS.get() != null) {
 			return THREAD_CACHE_SERVERS.get();
 		}
 		return getReachableServersWithoutCache();