diff --git a/sharding-core/src/main/java/io/shardingsphere/core/metadata/table/ShardingTableMetaData.java b/sharding-core/src/main/java/io/shardingsphere/core/metadata/table/ShardingTableMetaData.java
index 2190b49381880..a9141be2c7266 100644
--- a/sharding-core/src/main/java/io/shardingsphere/core/metadata/table/ShardingTableMetaData.java
+++ b/sharding-core/src/main/java/io/shardingsphere/core/metadata/table/ShardingTableMetaData.java
@@ -30,7 +30,7 @@
  * @author zhangliang
  */
 @RequiredArgsConstructor
-public class ShardingTableMetaData {
+public final class ShardingTableMetaData {
     
     private final Map<String, TableMetaData> tableMetaDataMap;
     
diff --git a/sharding-jdbc/src/test/java/io/shardingsphere/core/jdbc/core/connection/ShardingConnectionTest.java b/sharding-jdbc/src/test/java/io/shardingsphere/core/jdbc/core/connection/ShardingConnectionTest.java
index 2b24a6bda4604..5f8354f98d45c 100644
--- a/sharding-jdbc/src/test/java/io/shardingsphere/core/jdbc/core/connection/ShardingConnectionTest.java
+++ b/sharding-jdbc/src/test/java/io/shardingsphere/core/jdbc/core/connection/ShardingConnectionTest.java
@@ -25,6 +25,7 @@
 import io.shardingsphere.core.jdbc.core.ShardingContext;
 import io.shardingsphere.core.jdbc.core.datasource.MasterSlaveDataSource;
 import io.shardingsphere.core.metadata.table.ShardingTableMetaData;
+import io.shardingsphere.core.metadata.table.TableMetaData;
 import io.shardingsphere.core.rule.ShardingRule;
 import org.junit.After;
 import org.junit.Before;
@@ -41,7 +42,6 @@
 
 import static org.junit.Assert.assertNotSame;
 import static org.junit.Assert.assertSame;
-import static org.mockito.Mockito.mock;
 
 public final class ShardingConnectionTest {
     
@@ -72,8 +72,7 @@ public void setUp() {
         Map<String, DataSource> dataSourceMap = new HashMap<>(1, 1);
         dataSourceMap.put(DS_NAME, masterSlaveDataSource);
         ShardingRule shardingRule = new ShardingRule(shardingRuleConfig, dataSourceMap.keySet());
-        ShardingTableMetaData shardingTableMetaData = mock(ShardingTableMetaData.class);
-        ShardingContext shardingContext = new ShardingContext(dataSourceMap, shardingRule, DatabaseType.H2, null, shardingTableMetaData, false);
+        ShardingContext shardingContext = new ShardingContext(dataSourceMap, shardingRule, DatabaseType.H2, null, new ShardingTableMetaData(Collections.<String, TableMetaData>emptyMap()), false);
         connection = new ShardingConnection(shardingContext);
     }