diff --git a/README.md b/README.md
index 063cd41..5705c9e 100644
--- a/README.md
+++ b/README.md
@@ -11,20 +11,23 @@ your custom virtual inventories with ease.
 FakeInventory inventory = new FakeInventory(InventoryType.CHEST, "Custom inventory");
 
 inventory.setDefaultItemHandler((item, event) -> {
-    event.setCancelled(true);
+    event.setCancelled();
 
     Player target = event.getTransaction().getSource();
-    target.sendMessage("is default item handler");
+    target.sendMessage("This is default item handler");
 });
 
 inventory.setItem(5, Item.get(Item.DIAMOND), (item, event) -> {
-    event.setCancelled(true);
+    event.setCancelled();
 
     Player target = event.getTransaction().getSource();
-    target.sendMessage("is custom item handler");
+    target.sendMessage("This is custom item handler");
     target.removeWindow(inventory);
 });
 
+inventory.setOpenHandler(player -> player.sendMessage("You opened inventory"));
+inventory.setCloseHandler(player -> player.sendMessage("You closed inventory"));
+
 player.addWindow(inventory);
 ```
 
@@ -45,7 +48,7 @@ Adding dependency:
 <dependency>
     <groupId>com.luminiadev.fakeinventories</groupId>
     <artifactId>fakeinventories</artifactId>
-    <version>1.2.0</version>
+    <version>1.2.1</version>
 </dependency>
 ```
 
@@ -60,5 +63,5 @@ maven {
 
 Adding dependency:
 ```kts
-compileOnly("com.luminiadev.fakeinventories:fakeinventories:1.2.0")
+compileOnly("com.luminiadev.fakeinventories:fakeinventories:1.2.1")
 ```
\ No newline at end of file
diff --git a/build.gradle.kts b/build.gradle.kts
index d8b2963..27c4936 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -4,7 +4,7 @@ plugins {
 }
 
 group = "com.luminiadev.fakeinventories"
-version = "1.2.0"
+version = "1.2.1"
 
 java {
     toolchain {
diff --git a/src/main/java/me/iwareq/fakeinventories/FakeInventory.java b/src/main/java/me/iwareq/fakeinventories/FakeInventory.java
index e72062a..22870fc 100644
--- a/src/main/java/me/iwareq/fakeinventories/FakeInventory.java
+++ b/src/main/java/me/iwareq/fakeinventories/FakeInventory.java
@@ -13,19 +13,23 @@
 import lombok.Setter;
 import me.iwareq.fakeinventories.block.FakeBlock;
 import me.iwareq.fakeinventories.util.ItemHandler;
+import me.iwareq.fakeinventories.util.SimplePlayerHandler;
 
 import java.util.HashMap;
-import java.util.List;
 import java.util.Map;
+import java.util.Optional;
 
+@Setter
 public class FakeInventory extends BaseInventory {
 
     @Getter
     @Setter
     private String title;
 
-    @Setter
     private ItemHandler defaultItemHandler;
+    private SimplePlayerHandler openHandler;
+    private SimplePlayerHandler closeHandler;
+
     private final Map<Integer, ItemHandler> handlers = new HashMap<>();
 
     private final FakeBlock fakeBlock;
@@ -49,21 +53,24 @@ public void onOpen(Player player) {
             packet.windowId = player.getWindowId(this);
             packet.type = this.getType().getNetworkType();
 
-            List<Vector3> positions = this.fakeBlock.getPlacePositions(player);
-            if (positions.isEmpty()) {
-                return;
+            Optional<Vector3> first = this.fakeBlock.getLastPositions(player).stream().findFirst();
+            if (first.isPresent()) {
+                Vector3 position = first.get();
+                packet.x = position.getFloorX();
+                packet.y = position.getFloorY();
+                packet.z = position.getFloorZ();
+                player.dataPacket(packet);
+
+                super.onOpen(player);
+                this.sendContents(player);
+            } else {
+                this.fakeBlock.remove(player);
             }
-
-            Vector3 position = positions.get(0);
-            packet.x = position.getFloorX();
-            packet.y = position.getFloorY();
-            packet.z = position.getFloorZ();
-            player.dataPacket(packet);
-
-            super.onOpen(player);
-
-            this.sendContents(player);
         }, 2);
+
+        if (this.openHandler != null) {
+            this.openHandler.handle(player);
+        }
     }
 
     @Override
@@ -75,6 +82,10 @@ public void onClose(Player player) {
 
         super.onClose(player);
         this.fakeBlock.remove(player);
+
+        if (this.closeHandler != null) {
+            this.closeHandler.handle(player);
+        }
     }
 
     public void setItem(int index, Item item, ItemHandler handler) {
@@ -83,6 +94,10 @@ public void setItem(int index, Item item, ItemHandler handler) {
         }
     }
 
+    public void setItemHandler(int index, ItemHandler handler) {
+        this.handlers.put(index, handler);
+    }
+
     public void handle(int index, Item item, InventoryTransactionEvent event) {
         ItemHandler handler = this.handlers.getOrDefault(index, this.defaultItemHandler);
         if (handler == null) {
diff --git a/src/main/java/me/iwareq/fakeinventories/util/SimplePlayerHandler.java b/src/main/java/me/iwareq/fakeinventories/util/SimplePlayerHandler.java
new file mode 100644
index 0000000..4fd0c90
--- /dev/null
+++ b/src/main/java/me/iwareq/fakeinventories/util/SimplePlayerHandler.java
@@ -0,0 +1,8 @@
+package me.iwareq.fakeinventories.util;
+
+import cn.nukkit.Player;
+
+@FunctionalInterface
+public interface SimplePlayerHandler {
+    void handle(Player player);
+}