diff --git a/shardingsphere-infra/shardingsphere-infra-common/src/main/java/org/apache/shardingsphere/infra/constant/Constants.java b/shardingsphere-infra/shardingsphere-infra-common/src/main/java/org/apache/shardingsphere/infra/constant/Constants.java
index 1d9805cb97e2b..5deccc9913170 100644
--- a/shardingsphere-infra/shardingsphere-infra-common/src/main/java/org/apache/shardingsphere/infra/constant/Constants.java
+++ b/shardingsphere-infra/shardingsphere-infra-common/src/main/java/org/apache/shardingsphere/infra/constant/Constants.java
@@ -20,7 +20,6 @@
 /**
  * ShardingSphere of constants.
  */
-@Deprecated
 // TODO remove the class, ref #6546
 public final class Constants {
     
diff --git a/shardingsphere-proxy/shardingsphere-proxy-bootstrap/src/main/java/org/apache/shardingsphere/proxy/Bootstrap.java b/shardingsphere-proxy/shardingsphere-proxy-bootstrap/src/main/java/org/apache/shardingsphere/proxy/Bootstrap.java
index 10be97a278622..6d1f6f8c2c97c 100644
--- a/shardingsphere-proxy/shardingsphere-proxy-bootstrap/src/main/java/org/apache/shardingsphere/proxy/Bootstrap.java
+++ b/shardingsphere-proxy/shardingsphere-proxy-bootstrap/src/main/java/org/apache/shardingsphere/proxy/Bootstrap.java
@@ -35,7 +35,6 @@
 import org.apache.shardingsphere.infra.database.type.dialect.MySQLDatabaseType;
 import org.apache.shardingsphere.infra.exception.ShardingSphereException;
 import org.apache.shardingsphere.infra.log.ConfigurationLogger;
-import org.apache.shardingsphere.infra.yaml.swapper.YamlRuleConfigurationSwapperEngine;
 import org.apache.shardingsphere.kernel.context.SchemaContextsBuilder;
 import org.apache.shardingsphere.kernel.context.schema.DataSourceParameter;
 import org.apache.shardingsphere.metrics.configuration.config.MetricsConfiguration;
@@ -48,7 +47,6 @@
 import org.apache.shardingsphere.proxy.config.YamlProxyConfiguration;
 import org.apache.shardingsphere.proxy.config.converter.ProxyConfigurationConverter;
 import org.apache.shardingsphere.proxy.config.converter.ProxyConfigurationConverterFactory;
-import org.apache.shardingsphere.proxy.config.yaml.YamlProxyRuleConfiguration;
 import org.apache.shardingsphere.proxy.frontend.bootstrap.ShardingSphereProxy;
 
 import javax.sql.DataSource;
@@ -83,37 +81,30 @@ public static void main(final String[] args) throws Exception {
         int port = bootstrapArgs.getPort();
         System.setProperty(Constants.PORT_KEY, String.valueOf(port));
         YamlProxyConfiguration yamlConfig = ProxyConfigurationLoader.load(bootstrapArgs.getConfigurationPath());
-        logRuleConfigurations(getRuleConfigurations(yamlConfig.getRuleConfigurations()).values());
         try (ProxyConfigurationConverter converter = ProxyConfigurationConverterFactory.newInstances(null != yamlConfig.getServerConfiguration().getOrchestration())) {
             ProxyConfiguration proxyConfiguration = converter.convert(yamlConfig);
+            log(proxyConfiguration);
             initialize(proxyConfiguration, port, converter);
         }
     }
     
-    private static void logRuleConfigurations(final Collection<Collection<RuleConfiguration>> ruleConfigurations) {
+    private static void log(final ProxyConfiguration proxyConfiguration) {
+        Collection<Collection<RuleConfiguration>> ruleConfigurations = proxyConfiguration.getSchemaRules().values();
         if (CollectionUtils.isNotEmpty(ruleConfigurations)) {
             ruleConfigurations.forEach(ConfigurationLogger::log);
         }
-    }
-    
-    private static Map<String, Collection<RuleConfiguration>> getRuleConfigurations(final Map<String, YamlProxyRuleConfiguration> localRuleConfigs) {
-        YamlRuleConfigurationSwapperEngine swapperEngine = new YamlRuleConfigurationSwapperEngine();
-        return localRuleConfigs.entrySet().stream().collect(Collectors.toMap(Entry::getKey, entry -> swapperEngine.swapToRuleConfigurations(entry.getValue().getRules())));
+        ConfigurationLogger.log(proxyConfiguration.getAuthentication());
+        ConfigurationLogger.log(proxyConfiguration.getProps());
     }
     
     private static void initialize(final ProxyConfiguration proxyConfiguration, final int port, final ProxyConfigurationConverter converter) throws SQLException {
         Authentication authentication = proxyConfiguration.getAuthentication();
         Properties props = proxyConfiguration.getProps();
-        log(authentication, props);
         initProxySchemaContexts(proxyConfiguration.getSchemaDataSources(), proxyConfiguration.getSchemaRules(), authentication, props, converter);
         initControlPanelFacade(proxyConfiguration.getMetrics(), proxyConfiguration.getCluster());
         updateServerInfo();
         ShardingSphereProxy.getInstance().start(port);
     }
-    private static void log(final Authentication authentication, final Properties properties) {
-        ConfigurationLogger.log(authentication);
-        ConfigurationLogger.log(properties);
-    }
     
     private static void initProxySchemaContexts(final Map<String, Map<String, DataSourceParameter>> schemaDataSources, final Map<String, Collection<RuleConfiguration>> schemaRules,
                                                 final Authentication authentication, final Properties properties, final ProxyConfigurationConverter converter) throws SQLException {
diff --git a/shardingsphere-proxy/shardingsphere-proxy-common/src/main/java/org/apache/shardingsphere/proxy/config/ProxyConfigurationLoader.java b/shardingsphere-proxy/shardingsphere-proxy-common/src/main/java/org/apache/shardingsphere/proxy/config/ProxyConfigurationLoader.java
index 63e096b064a46..3a321757d44d8 100644
--- a/shardingsphere-proxy/shardingsphere-proxy-common/src/main/java/org/apache/shardingsphere/proxy/config/ProxyConfigurationLoader.java
+++ b/shardingsphere-proxy/shardingsphere-proxy-common/src/main/java/org/apache/shardingsphere/proxy/config/ProxyConfigurationLoader.java
@@ -59,7 +59,7 @@ public static YamlProxyConfiguration load(final String path) throws IOException
         YamlProxyServerConfiguration serverConfig = loadServerConfiguration(getResourceFile(path + "/" + SERVER_CONFIG_FILE));
         File configPath = getResourceFile(path);
         Collection<YamlProxyRuleConfiguration> ruleConfigurations = loadRuleConfigurations(schemaNames, configPath);
-        Preconditions.checkState(!ruleConfigurations.isEmpty() || null != serverConfig.getOrchestration(), "Can not find any sharding rule configuration file in path `%s`.", configPath.getPath());
+        Preconditions.checkState(!ruleConfigurations.isEmpty() || null != serverConfig.getOrchestration(), "Can not find any rule configurations file in path `%s`.", configPath.getPath());
         return new YamlProxyConfiguration(serverConfig, ruleConfigurations.stream().collect(Collectors.toMap(YamlProxyRuleConfiguration::getSchemaName, each -> each)));
     }