diff --git a/src/main/java/pw/kaboom/extras/Main.java b/src/main/java/pw/kaboom/extras/Main.java
index 710a01f..48479de 100644
--- a/src/main/java/pw/kaboom/extras/Main.java
+++ b/src/main/java/pw/kaboom/extras/Main.java
@@ -330,6 +330,7 @@ public class Main extends JavaPlugin {
 			"tellraw",
 
 			"minecraft:clear",
+			"minecraft:data",
 			"minecraft:datapack",
 			"minecraft:effect",
 			"minecraft:execute",
@@ -337,6 +338,7 @@ public class Main extends JavaPlugin {
 			"minecraft:gamerule",
 			"minecraft:me",
 			"minecraft:msg",
+			"minecraft:replaceitem",
 			"minecraft:say",
 			"minecraft:spreadplayers",
 			"minecraft:tell",
@@ -345,6 +347,7 @@ public class Main extends JavaPlugin {
 			"minecraft:tp",
 			"minecraft:worldborder",
 			"clear",
+			"data",
 			"datapack",
 			"effect",
 			"execute",
@@ -352,6 +355,7 @@ public class Main extends JavaPlugin {
 			"gamerule",
 			"me",
 			"msg",
+			"replaceitem",
 			"say",
 			"spreadplayers",
 			"tell",
diff --git a/src/main/java/pw/kaboom/extras/commands/CommandJumpscare.java b/src/main/java/pw/kaboom/extras/commands/CommandJumpscare.java
index 01eaed1..a783958 100644
--- a/src/main/java/pw/kaboom/extras/commands/CommandJumpscare.java
+++ b/src/main/java/pw/kaboom/extras/commands/CommandJumpscare.java
@@ -14,7 +14,7 @@ import org.bukkit.entity.Player;
 class CommandJumpscare implements CommandExecutor {
 	private void createJumpscare(Player player) {
 		player.spawnParticle(Particle.MOB_APPEARANCE, player.getLocation(), 4);
-		for (int i = 0; i < 10; ++i) {
+		for (int i = 0; i < 10; i++) {
 			player.playSound(player.getLocation(), Sound.ENTITY_ENDERMAN_SCREAM, 1, 0);
 		}
 	}
diff --git a/src/main/java/pw/kaboom/extras/modules/block/BlockCheck.java b/src/main/java/pw/kaboom/extras/modules/block/BlockCheck.java
index 5cc7224..4250ec8 100644
--- a/src/main/java/pw/kaboom/extras/modules/block/BlockCheck.java
+++ b/src/main/java/pw/kaboom/extras/modules/block/BlockCheck.java
@@ -1,11 +1,16 @@
 package pw.kaboom.extras;
 
+import org.bukkit.block.BlockState;
+import org.bukkit.block.CommandBlock;
+
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
 
 import org.bukkit.event.block.BlockPlaceEvent;
 import org.bukkit.event.block.SignChangeEvent;
 
+import org.bukkit.event.world.ChunkLoadEvent;
+
 class BlockCheck implements Listener {
 	@EventHandler
 	void onBlockPlace(BlockPlaceEvent event) {
@@ -19,6 +24,24 @@ class BlockCheck implements Listener {
 			event.setCancelled(true);
 		}
 	}
+	
+	@EventHandler
+	void onChunkLoad(ChunkLoadEvent event) {
+		if (!event.isNewChunk()) {
+			try {
+				for (BlockState block : event.getChunk().getTileEntities()) {
+					if (block instanceof CommandBlock) {
+						block.update();
+					}
+				}
+			} catch (Exception exception) {
+				event.getChunk().getWorld().regenerateChunk(
+					event.getChunk().getX(),
+					event.getChunk().getZ()
+				);
+			}
+		}
+	}
 
 	@EventHandler
 	void onSignChange(SignChangeEvent event) {
diff --git a/src/main/java/pw/kaboom/extras/modules/block/BlockPhysics.java b/src/main/java/pw/kaboom/extras/modules/block/BlockPhysics.java
index dc939da..06b4b51 100644
--- a/src/main/java/pw/kaboom/extras/modules/block/BlockPhysics.java
+++ b/src/main/java/pw/kaboom/extras/modules/block/BlockPhysics.java
@@ -73,12 +73,12 @@ class BlockPhysics implements Listener {
 		}
 	}
 
-	/*@EventHandler
+	@EventHandler
 	void onBlockPhysics(BlockPhysicsEvent event) {
 		if (event.getSourceBlock().getState() instanceof CommandBlock) {
 			event.getSourceBlock().getState().update();
 		}
-	}*/
+	}
 
 	@EventHandler
 	void onBlockRedstone(BlockRedstoneEvent event) {
diff --git a/src/main/java/pw/kaboom/extras/modules/player/PlayerConnection.java b/src/main/java/pw/kaboom/extras/modules/player/PlayerConnection.java
index 4dd293f..019fc1e 100644
--- a/src/main/java/pw/kaboom/extras/modules/player/PlayerConnection.java
+++ b/src/main/java/pw/kaboom/extras/modules/player/PlayerConnection.java
@@ -16,6 +16,8 @@ import org.bukkit.event.Event;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
 
+import org.bukkit.event.inventory.InventoryCloseEvent;
+
 import org.bukkit.event.player.AsyncPlayerPreLoginEvent;
 import org.bukkit.event.player.PlayerJoinEvent;
 import org.bukkit.event.player.PlayerKickEvent;
@@ -29,8 +31,6 @@ import org.bukkit.inventory.meta.BannerMeta;
 
 import org.bukkit.plugin.java.JavaPlugin;
 
-import com.destroystokyo.paper.event.player.PlayerConnectionCloseEvent;
-
 class PlayerConnection implements Listener {
 	@EventHandler
 	void onAsyncPlayerPreLogin(AsyncPlayerPreLoginEvent event) {
@@ -41,10 +41,14 @@ class PlayerConnection implements Listener {
 	}
 
 	@EventHandler
-	void onPlayerConnectionClose(final PlayerConnectionCloseEvent event) {
-		PlayerCommand.commandMillisList.remove(event.getPlayerUniqueId());
-		PlayerInteract.interactMillisList.remove(event.getPlayerUniqueId());
-		Main.skinInProgress.remove(event.getPlayerUniqueId());
+	void onInventoryClose(InventoryCloseEvent event) {
+		for (int i = 0; i < 64; i++) {
+		//for (ItemStack item : event.getInventory().getContents()) {
+			System.out.println(event.getInventory().getItem(i));
+			if (EntitySpawn.isIllegalItem(event.getInventory().getItem(i))) {
+				event.getInventory().clear();
+			}
+		}
 	}
 
 	@EventHandler
@@ -107,13 +111,9 @@ class PlayerConnection implements Listener {
 
 	@EventHandler
 	void onPlayerQuit(PlayerQuitEvent event) {
-		final Inventory inventory = event.getPlayer().getInventory();
-
-		for (ItemStack item : inventory.getContents()) {
-			if (EntitySpawn.isIllegalItem(item)) {
-				inventory.clear();
-			}
-		}
+		PlayerCommand.commandMillisList.remove(event.getPlayer().getUniqueId());
+		PlayerInteract.interactMillisList.remove(event.getPlayer().getUniqueId());
+		Main.skinInProgress.remove(event.getPlayer().getUniqueId());
 
 		final World world = event.getPlayer().getWorld();
 
diff --git a/src/main/java/pw/kaboom/extras/modules/server/ServerPing.java b/src/main/java/pw/kaboom/extras/modules/server/ServerPing.java
index 643f23f..9949f24 100644
--- a/src/main/java/pw/kaboom/extras/modules/server/ServerPing.java
+++ b/src/main/java/pw/kaboom/extras/modules/server/ServerPing.java
@@ -9,10 +9,10 @@ class ServerPing implements Listener {
 	@EventHandler
 	void onServerListPing(PaperServerListPingEvent event) {
 		if (event.getClient().getProtocolVersion() == -1) {
-			event.setProtocolVersion(498);
+			event.setProtocolVersion(573);
 		} else {
 			event.setProtocolVersion(event.getClient().getProtocolVersion());
 		}
-		event.setVersion("1.14.4");
+		event.setVersion("1.15");
 	}
 }