fix:optimize multi service registration and discovery.

spring-cloud-starter-tencent-polaris-discovery/pom.xml

@@ -28,6 +28,18 @@
 			<scope>test</scope>
 		</dependency>
 
+		<dependency>
+			<groupId>com.tencent.polaris</groupId>
+			<artifactId>connector-consul</artifactId>
+			<scope>test</scope>
+		</dependency>
+
+		<dependency>
+			<groupId>com.tencent.polaris</groupId>
+			<artifactId>connector-nacos</artifactId>
+			<scope>test</scope>
+		</dependency>
+
 		<dependency>
 			<groupId>com.tencent.polaris</groupId>
 			<artifactId>polaris-test-mock-discovery</artifactId>

spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/extend/nacos/NacosConfigModifier.java

@@ -65,6 +65,9 @@ public class NacosConfigModifier implements PolarisConfigModifier {
 
 	@Override
 	public void modify(ConfigurationImpl configuration) {
+		if (Objects.isNull(nacosContextProperties) || !nacosContextProperties.isEnabled()) {
+			return;
+		}
 		// Check if Nacos Available
 		boolean nacosAvailable = false;
 		try {
@@ -82,9 +85,6 @@ public class NacosConfigModifier implements PolarisConfigModifier {
 					+ "</dependency>");
 			throw new RuntimeException("Dependency \"connector-nacos\" not found.");
 		}
-		if (Objects.isNull(nacosContextProperties) || !nacosContextProperties.isEnabled()) {
-			return;
-		}
 		if (CollectionUtils.isEmpty(configuration.getGlobal().getServerConnectors())) {
 			configuration.getGlobal().setServerConnectors(new ArrayList<>());
 		}