diff --git a/agent/plugins/metrics/type/prometheus/src/main/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/PrometheusWrapperFactory.java b/agent/plugins/metrics/type/prometheus/src/main/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/PrometheusWrapperFactory.java
index dd79127f856d9..fc5fed23f7cee 100644
--- a/agent/plugins/metrics/type/prometheus/src/main/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/PrometheusWrapperFactory.java
+++ b/agent/plugins/metrics/type/prometheus/src/main/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/PrometheusWrapperFactory.java
@@ -24,6 +24,10 @@
 import io.prometheus.client.Summary;
 import org.apache.shardingsphere.agent.metrics.core.MetricsWrapper;
 import org.apache.shardingsphere.agent.metrics.core.MetricsWrapperFactory;
+import org.apache.shardingsphere.agent.metrics.prometheus.wrapper.type.CounterWrapper;
+import org.apache.shardingsphere.agent.metrics.prometheus.wrapper.type.GaugeWrapper;
+import org.apache.shardingsphere.agent.metrics.prometheus.wrapper.type.HistogramWrapper;
+import org.apache.shardingsphere.agent.metrics.prometheus.wrapper.type.SummaryWrapper;
 import org.yaml.snakeyaml.Yaml;
 
 import java.io.InputStream;
@@ -35,7 +39,7 @@
 /**
  * Prometheus metrics wrapper factory.
  */
-public class PrometheusWrapperFactory implements MetricsWrapperFactory {
+public final class PrometheusWrapperFactory implements MetricsWrapperFactory {
     
     private static List<Map<String, Object>> metrics;
     
diff --git a/agent/plugins/metrics/type/prometheus/src/main/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/CounterWrapper.java b/agent/plugins/metrics/type/prometheus/src/main/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/type/CounterWrapper.java
similarity index 99%
rename from agent/plugins/metrics/type/prometheus/src/main/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/CounterWrapper.java
rename to agent/plugins/metrics/type/prometheus/src/main/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/type/CounterWrapper.java
index 4fa074780399b..f9914ed878c25 100644
--- a/agent/plugins/metrics/type/prometheus/src/main/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/CounterWrapper.java
+++ b/agent/plugins/metrics/type/prometheus/src/main/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/type/CounterWrapper.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.agent.metrics.prometheus.wrapper;
+package org.apache.shardingsphere.agent.metrics.prometheus.wrapper.type;
 
 import io.prometheus.client.Counter;
 import lombok.RequiredArgsConstructor;
diff --git a/agent/plugins/metrics/type/prometheus/src/main/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/GaugeWrapper.java b/agent/plugins/metrics/type/prometheus/src/main/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/type/GaugeWrapper.java
similarity index 99%
rename from agent/plugins/metrics/type/prometheus/src/main/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/GaugeWrapper.java
rename to agent/plugins/metrics/type/prometheus/src/main/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/type/GaugeWrapper.java
index d0e5eb2f580ba..187753829ab0d 100644
--- a/agent/plugins/metrics/type/prometheus/src/main/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/GaugeWrapper.java
+++ b/agent/plugins/metrics/type/prometheus/src/main/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/type/GaugeWrapper.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.agent.metrics.prometheus.wrapper;
+package org.apache.shardingsphere.agent.metrics.prometheus.wrapper.type;
 
 import io.prometheus.client.Gauge;
 import lombok.RequiredArgsConstructor;
diff --git a/agent/plugins/metrics/type/prometheus/src/main/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/HistogramWrapper.java b/agent/plugins/metrics/type/prometheus/src/main/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/type/HistogramWrapper.java
similarity index 99%
rename from agent/plugins/metrics/type/prometheus/src/main/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/HistogramWrapper.java
rename to agent/plugins/metrics/type/prometheus/src/main/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/type/HistogramWrapper.java
index ae391067749a7..90f2175b8d59c 100644
--- a/agent/plugins/metrics/type/prometheus/src/main/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/HistogramWrapper.java
+++ b/agent/plugins/metrics/type/prometheus/src/main/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/type/HistogramWrapper.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.agent.metrics.prometheus.wrapper;
+package org.apache.shardingsphere.agent.metrics.prometheus.wrapper.type;
 
 import io.prometheus.client.Histogram;
 import lombok.RequiredArgsConstructor;
diff --git a/agent/plugins/metrics/type/prometheus/src/main/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/SummaryWrapper.java b/agent/plugins/metrics/type/prometheus/src/main/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/type/SummaryWrapper.java
similarity index 99%
rename from agent/plugins/metrics/type/prometheus/src/main/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/SummaryWrapper.java
rename to agent/plugins/metrics/type/prometheus/src/main/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/type/SummaryWrapper.java
index 524e2ec372910..95867c8876522 100644
--- a/agent/plugins/metrics/type/prometheus/src/main/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/SummaryWrapper.java
+++ b/agent/plugins/metrics/type/prometheus/src/main/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/type/SummaryWrapper.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.agent.metrics.prometheus.wrapper;
+package org.apache.shardingsphere.agent.metrics.prometheus.wrapper.type;
 
 import io.prometheus.client.Summary;
 import lombok.RequiredArgsConstructor;
diff --git a/agent/plugins/metrics/type/prometheus/src/test/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/CounterWrapperTest.java b/agent/plugins/metrics/type/prometheus/src/test/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/type/CounterWrapperTest.java
similarity index 99%
rename from agent/plugins/metrics/type/prometheus/src/test/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/CounterWrapperTest.java
rename to agent/plugins/metrics/type/prometheus/src/test/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/type/CounterWrapperTest.java
index 0d851d2f733eb..18c10f7a327b7 100644
--- a/agent/plugins/metrics/type/prometheus/src/test/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/CounterWrapperTest.java
+++ b/agent/plugins/metrics/type/prometheus/src/test/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/type/CounterWrapperTest.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.agent.metrics.prometheus.wrapper;
+package org.apache.shardingsphere.agent.metrics.prometheus.wrapper.type;
 
 import io.prometheus.client.Counter;
 import org.apache.shardingsphere.infra.util.reflect.ReflectiveUtil;
diff --git a/agent/plugins/metrics/type/prometheus/src/test/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/GaugeWrapperTest.java b/agent/plugins/metrics/type/prometheus/src/test/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/type/GaugeWrapperTest.java
similarity index 99%
rename from agent/plugins/metrics/type/prometheus/src/test/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/GaugeWrapperTest.java
rename to agent/plugins/metrics/type/prometheus/src/test/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/type/GaugeWrapperTest.java
index 54d3a45c0d8dc..294475af9f0a0 100644
--- a/agent/plugins/metrics/type/prometheus/src/test/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/GaugeWrapperTest.java
+++ b/agent/plugins/metrics/type/prometheus/src/test/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/type/GaugeWrapperTest.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.agent.metrics.prometheus.wrapper;
+package org.apache.shardingsphere.agent.metrics.prometheus.wrapper.type;
 
 import io.prometheus.client.Gauge;
 import org.apache.shardingsphere.infra.util.reflect.ReflectiveUtil;
diff --git a/agent/plugins/metrics/type/prometheus/src/test/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/HistogramWrapperTest.java b/agent/plugins/metrics/type/prometheus/src/test/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/type/HistogramWrapperTest.java
similarity index 99%
rename from agent/plugins/metrics/type/prometheus/src/test/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/HistogramWrapperTest.java
rename to agent/plugins/metrics/type/prometheus/src/test/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/type/HistogramWrapperTest.java
index e7f3e0e5af50b..8252c3b10e8cb 100644
--- a/agent/plugins/metrics/type/prometheus/src/test/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/HistogramWrapperTest.java
+++ b/agent/plugins/metrics/type/prometheus/src/test/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/type/HistogramWrapperTest.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.agent.metrics.prometheus.wrapper;
+package org.apache.shardingsphere.agent.metrics.prometheus.wrapper.type;
 
 import io.prometheus.client.Histogram;
 import org.apache.shardingsphere.infra.util.reflect.ReflectiveUtil;
diff --git a/agent/plugins/metrics/type/prometheus/src/test/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/SummaryWrapperTest.java b/agent/plugins/metrics/type/prometheus/src/test/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/type/SummaryWrapperTest.java
similarity index 99%
rename from agent/plugins/metrics/type/prometheus/src/test/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/SummaryWrapperTest.java
rename to agent/plugins/metrics/type/prometheus/src/test/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/type/SummaryWrapperTest.java
index 97d7c779705bc..1dfeabace678d 100644
--- a/agent/plugins/metrics/type/prometheus/src/test/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/SummaryWrapperTest.java
+++ b/agent/plugins/metrics/type/prometheus/src/test/java/org/apache/shardingsphere/agent/metrics/prometheus/wrapper/type/SummaryWrapperTest.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.shardingsphere.agent.metrics.prometheus.wrapper;
+package org.apache.shardingsphere.agent.metrics.prometheus.wrapper.type;
 
 import io.prometheus.client.Summary;
 import org.apache.shardingsphere.infra.util.reflect.ReflectiveUtil;