fix nacos cb disable bug

spring-cloud-starter-tencent-polaris-router/src/main/resources/META-INF/spring.factories

@@ -4,4 +4,4 @@ org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
   com.tencent.cloud.polaris.router.config.FeignAutoConfiguration,\
   com.tencent.cloud.polaris.router.endpoint.PolarisRouterEndpointAutoConfiguration
 org.springframework.cloud.bootstrap.BootstrapConfiguration=\
-  com.tencent.cloud.polaris.router.config.RouterBootstrapAutoConfiguration
+  com.tencent.cloud.polaris.router.config.RouterBootstrapAutoConfiguration

spring-cloud-starter-tencent-polaris-router/src/test/java/com/tencent/cloud/polaris/router/config/RouterBootstrapAutoConfigurationTest.java

@@ -1,3 +1,21 @@
+/*
+ * Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
+ *
+ * Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
+ *
+ * Licensed under the BSD 3-Clause License (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * https://opensource.org/licenses/BSD-3-Clause
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed
+ * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+ * CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ */
+
 package com.tencent.cloud.polaris.router.config;
 
 import com.tencent.cloud.polaris.context.config.PolarisContextAutoConfiguration;
@@ -10,6 +28,11 @@ import org.springframework.boot.test.context.runner.ApplicationContextRunner;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
+/**
+ * RouterBootstrapAutoConfigurationTest.
+ *
+ * @author sean yu
+ */
 public class RouterBootstrapAutoConfigurationTest {
 
 	private final ApplicationContextRunner contextRunner = new ApplicationContextRunner()