diff --git a/proxy/backend/core/src/main/java/org/apache/shardingsphere/proxy/backend/handler/distsql/ral/queryable/ShowDistVariablesExecutor.java b/proxy/backend/core/src/main/java/org/apache/shardingsphere/proxy/backend/handler/distsql/ral/queryable/ShowDistVariablesExecutor.java
index 961984a0b899e..4e98e446f07ec 100644
--- a/proxy/backend/core/src/main/java/org/apache/shardingsphere/proxy/backend/handler/distsql/ral/queryable/ShowDistVariablesExecutor.java
+++ b/proxy/backend/core/src/main/java/org/apache/shardingsphere/proxy/backend/handler/distsql/ral/queryable/ShowDistVariablesExecutor.java
@@ -51,7 +51,8 @@ public Collection<String> getColumnNames() {
     
     @Override
     public Collection<LocalDataQueryResultRow> getRows(final ShardingSphereMetaData metaData, final ConnectionSession connectionSession, final ShowDistVariablesStatement sqlStatement) {
-        Collection<LocalDataQueryResultRow> result = ConfigurationPropertyKey.getKeyNames().stream().filter(each -> !"sql_show".equalsIgnoreCase(each) && !"sql_simple".equalsIgnoreCase(each))
+        Collection<LocalDataQueryResultRow> result = ConfigurationPropertyKey.getKeyNames().stream()
+                .filter(each -> !ConfigurationPropertyKey.SQL_SHOW.name().equalsIgnoreCase(each) && !ConfigurationPropertyKey.SQL_SIMPLE.name().equalsIgnoreCase(each))
                 .map(each -> new LocalDataQueryResultRow(each.toLowerCase(), getStringResult(metaData.getProps().getValue(ConfigurationPropertyKey.valueOf(each))))).collect(Collectors.toList());
         result.addAll(TemporaryConfigurationPropertyKey.getKeyNames().stream()
                 .map(each -> new LocalDataQueryResultRow(each.toLowerCase(), getStringResult(metaData.getTemporaryProps().getValue(TemporaryConfigurationPropertyKey.valueOf(each)))))