diff --git a/orm/src/main/java/com/zfoo/orm/lpmap/ConcurrentFileChannelMap.java b/orm/src/main/java/com/zfoo/orm/lpmap/ConcurrentFileChannelMap.java
new file mode 100644
index 00000000..bc0bdf87
--- /dev/null
+++ b/orm/src/main/java/com/zfoo/orm/lpmap/ConcurrentFileChannelMap.java
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2020 The zfoo Authors
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed
+ * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and limitations under the License.
+ */
+
+package com.zfoo.orm.lpmap;
+
+import com.zfoo.protocol.IPacket;
+
+import java.util.function.BiConsumer;
+
+/**
+ * @author jaysunxiao
+ * @version 3.0
+ */
+public class ConcurrentFileChannelMap<V extends IPacket> implements LpMap<V> {
+
+
+    private FileChannelMap<V> fileChannelMap;
+
+    public ConcurrentFileChannelMap(String dbPath, Class<V> clazz) {
+        fileChannelMap = new FileChannelMap<>(dbPath, clazz);
+    }
+
+    @Override
+    public synchronized V put(long key, V value) {
+        return fileChannelMap.put(key, value);
+    }
+
+    @Override
+    public synchronized V putIfAbsent(long key, V packet) {
+        return fileChannelMap.put(key, packet);
+    }
+
+    @Override
+    public synchronized V delete(long key) {
+        return fileChannelMap.delete(key);
+    }
+
+    @Override
+    public synchronized V get(long key) {
+        return fileChannelMap.get(key);
+    }
+
+    @Override
+    public synchronized long getMaxIndex() {
+        return fileChannelMap.getMaxIndex();
+    }
+
+    @Override
+    public synchronized long getIncrementIndex() {
+        return fileChannelMap.getIncrementIndex();
+    }
+
+    @Override
+    public synchronized void clear() {
+        fileChannelMap.clear();
+    }
+
+    @Override
+    public synchronized void forEach(BiConsumer<Long, V> biConsumer) {
+        fileChannelMap.forEach(biConsumer);
+    }
+}
diff --git a/orm/src/main/java/com/zfoo/orm/lpmap/FileChannelMap.java b/orm/src/main/java/com/zfoo/orm/lpmap/FileChannelMap.java
index 11a23ba9..9ccd7773 100644
--- a/orm/src/main/java/com/zfoo/orm/lpmap/FileChannelMap.java
+++ b/orm/src/main/java/com/zfoo/orm/lpmap/FileChannelMap.java
@@ -28,6 +28,7 @@ import java.io.File;
 import java.io.IOException;
 import java.io.RandomAccessFile;
 import java.nio.channels.FileChannel;
+import java.util.function.BiConsumer;
 
 /**
  * @author jaysunxiao
@@ -156,6 +157,16 @@ public class FileChannelMap<V extends IPacket> implements LpMap<V>, Closeable {
         return maxIndex;
     }
 
+    @Override
+    public void forEach(BiConsumer<Long, V> biConsumer) {
+        for (var i = 1L; i < getMaxIndex(); i++) {
+            var value = get(i);
+            if (value != null) {
+                biConsumer.accept(i, value);
+            }
+        }
+    }
+
     @Override
     public void clear() {
         try {
diff --git a/orm/src/main/java/com/zfoo/orm/lpmap/FileHeapMap.java b/orm/src/main/java/com/zfoo/orm/lpmap/FileHeapMap.java
index 1f2222dd..135a9b9e 100644
--- a/orm/src/main/java/com/zfoo/orm/lpmap/FileHeapMap.java
+++ b/orm/src/main/java/com/zfoo/orm/lpmap/FileHeapMap.java
@@ -29,6 +29,7 @@ import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.nio.channels.FileChannel;
+import java.util.function.BiConsumer;
 
 /**
  * @author jaysunxiao
@@ -82,6 +83,11 @@ public class FileHeapMap<V extends IPacket> implements LpMap<V> {
         return heapMap.getIncrementIndex();
     }
 
+    @Override
+    public void forEach(BiConsumer<Long, V> biConsumer) {
+        heapMap.forEach(biConsumer);
+    }
+
     @Override
     public void clear() {
         heapMap.clear();