diff --git a/src/main/java/com/alipay/oceanbase/hbase/metrics/OHMetricsTracker.java b/src/main/java/com/alipay/oceanbase/hbase/metrics/OHMetricsTracker.java
index 5c97da0c..6b095bb7 100644
--- a/src/main/java/com/alipay/oceanbase/hbase/metrics/OHMetricsTracker.java
+++ b/src/main/java/com/alipay/oceanbase/hbase/metrics/OHMetricsTracker.java
@@ -32,105 +32,13 @@ public class OHMetricsTracker {
 
     public OHMetricsTracker(MetricsRegistry registry, String metricsName, OHOperationType opType) {
         this.opType = opType;
-        // 使用通用占位类作为 type，表名作为 name，操作类型和指标名组合作为 scope
-        // 这样在 JMX 中路径会是：表名 -> 操作类型 -> 指标名
-        // newTimer(Class, name, scope) - name 是表名，scope 是 "操作类型.指标名"
-        // 生成的路径是: <class>.<表名>.<操作类型>.<指标名>
-        Class<?> metricsClass = getMetricsClassForOperation(opType);
         String opTypeName = opType.name();
         this.latencyHistogram = registry.newTimer(OHMetrics.class, opTypeName + ".latencyHistogram", metricsName);
-        // newMeter(Class, name, scope, TimeUnit) - name 是表名，scope 是 "操作类型.指标名"
-        this.failedOpCounter = registry.newMeter(OHMetrics.class, opTypeName + ".failedOpCounter", metricsName, "failedOpCounter", TimeUnit.MILLISECONDS);
-        // newCounter(Class, name, scope) - name 是表名，scope 是 "操作类型.指标名"
-        this.totalSingleOpCount = registry.newCounter(OHMetrics.class, opTypeName + ".totalSingleOpCount", metricsName);
+        this.failedOpCounter = registry.newMeter(OHMetrics.class,
+                opTypeName + ".failedOpCounter", metricsName, "failedOpCounter", TimeUnit.MILLISECONDS);
+        this.totalSingleOpCount = registry.newCounter(OHMetrics.class, opTypeName + ".totalSingleOpCount",  metricsName);
         this.totalRuntime = registry.newCounter(OHMetrics.class, opTypeName + ".totalRuntime", metricsName);
     }
-    
-    
-    /**
-     * 为每个操作类型创建对应的内部类
-     * 这些类用于 JMX 注册，使路径为 com.alipay.oceanbase.hbase.metrics.<OPERATION_TYPE>
-     */
-    public static class PUT {}
-    public static class DELETE {}
-    public static class GET {}
-    public static class GET_LIST {}
-    public static class SCAN {}
-    public static class APPEND {}
-    public static class INCREMENT {}
-    public static class INCREMENT_COLUMN_VALUE {}
-    public static class BATCH {}
-    public static class BATCH_CALLBACK {}
-    public static class PUT_LIST {}
-    public static class DELETE_LIST {}
-    public static class CHECK_AND_PUT {}
-    public static class CHECK_AND_DELETE {}
-    public static class CHECK_AND_MUTATE {}
-    public static class EXISTS {}
-    public static class EXISTS_LIST {}
-    public static class MUTATE_ROW {}
-    
-    /**
-     * 通用占位类 - 用于未知的操作类型
-     */
-    public static class OperationMetricsPlaceholder {}
-    
-    /**
-     * 获取操作类型对应的类名（用于测试和调试）
-     * @param opType 操作类型
-     * @return 类名
-     */
-    public static String getClassNameForOperation(OHOperationType opType) {
-        Class<?> clazz = getMetricsClassForOperation(opType);
-        return clazz.getName();
-    }
-    
-    /**
-     * 获取操作类型对应的类（静态方法，供外部调用）
-     */
-    private static Class<?> getMetricsClassForOperation(OHOperationType opType) {
-        switch (opType) {
-            case PUT:
-                return PUT.class;
-            case DELETE:
-                return DELETE.class;
-            case GET:
-                return GET.class;
-            case GET_LIST:
-                return GET_LIST.class;
-            case SCAN:
-                return SCAN.class;
-            case APPEND:
-                return APPEND.class;
-            case INCREMENT:
-                return INCREMENT.class;
-            case INCREMENT_COLUMN_VALUE:
-                return INCREMENT_COLUMN_VALUE.class;
-            case BATCH:
-                return BATCH.class;
-            case BATCH_CALLBACK:
-                return BATCH_CALLBACK.class;
-            case PUT_LIST:
-                return PUT_LIST.class;
-            case DELETE_LIST:
-                return DELETE_LIST.class;
-            case CHECK_AND_PUT:
-                return CHECK_AND_PUT.class;
-            case CHECK_AND_DELETE:
-                return CHECK_AND_DELETE.class;
-            case CHECK_AND_MUTATE:
-                return CHECK_AND_MUTATE.class;
-            case EXISTS:
-                return EXISTS.class;
-            case EXISTS_LIST:
-                return EXISTS_LIST.class;
-            case MUTATE_ROW:
-                return MUTATE_ROW.class;
-            default:
-                // 对于未知的操作类型，使用通用占位类
-                return OperationMetricsPlaceholder.class;
-        }
-    }
 
     public OHOperationType getOpType() {
         return this.opType;
diff --git a/src/test/java/com/alipay/oceanbase/hbase/ObTableWeakReadTest.java b/src/test/java/com/alipay/oceanbase/hbase/ObTableWeakReadTest.java
index ede4d618..89d3e313 100644
--- a/src/test/java/com/alipay/oceanbase/hbase/ObTableWeakReadTest.java
+++ b/src/test/java/com/alipay/oceanbase/hbase/ObTableWeakReadTest.java
@@ -2903,7 +2903,7 @@ public void testGlobalConfigScan() throws Exception {
         setZoneIdc(ZONE3, IDC3);
         // 3. Scan不设置READ_CONSISTENCY属性，使用全局配置
         Scan scan = new Scan();
-        scan.withStartRow(rowkey.getBytes());
+        scan.setStartRow(rowkey.getBytes());
         // 不设置 READ_CONSISTENCY 属性
         scan.addColumn(FAMILY_NAME.getBytes(), "c2".getBytes());
         ResultScanner resultScanner = table.getScanner(scan);