diff --git a/iclibs/Nukkit-MOT-SNAPSHOT.jar b/iclibs/Nukkit-MOT-SNAPSHOT.jar
index 4a5ac685..7090abfa 100644
Binary files a/iclibs/Nukkit-MOT-SNAPSHOT.jar and b/iclibs/Nukkit-MOT-SNAPSHOT.jar differ
diff --git a/src/main/java/com/reider745/InnerCoreServer.java b/src/main/java/com/reider745/InnerCoreServer.java
index d5d6653a..71f10df3 100644
--- a/src/main/java/com/reider745/InnerCoreServer.java
+++ b/src/main/java/com/reider745/InnerCoreServer.java
@@ -4,6 +4,7 @@ import cn.nukkit.Server;
 import cn.nukkit.plugin.PluginDescription;
 
 import cn.nukkit.plugin.PluginManager;
+import cn.nukkit.utils.MainLogger;
 import com.reider745.api.CallbackHelper;
 import com.reider745.block.CustomBlock;
 import com.reider745.commands.CommandsHelper;
@@ -203,7 +204,7 @@ public class InnerCoreServer {
         PATH = server.getDataPath();
         InnerCoreServer.server = server;
         InnerCoreServer.ic_server = this;
-        com.zhekasmirnov.horizon.runtime.logger.Logger.server = server;
+        Logger.server = server;
 
         CallbackHelper.init();
         NukkitIdConvertor.init();
diff --git a/src/main/java/com/reider745/item/CustomItemClass.java b/src/main/java/com/reider745/item/CustomItemClass.java
index e47dadfa..1cb86f03 100644
--- a/src/main/java/com/reider745/item/CustomItemClass.java
+++ b/src/main/java/com/reider745/item/CustomItemClass.java
@@ -40,7 +40,7 @@ public class CustomItemClass extends Item {
         this.slot = parameters.get(PropertiesNames.Armors.SLOT, -1);
         this.defense = parameters.get(PropertiesNames.Armors.DEFENSE, 0);
         this.knockbackResist = parameters.get(PropertiesNames.Armors.KNOCKBACK_RESIST, 0f);
-        this.ARMOR_DAMAGEABLE = parameters.get(PropertiesNames.ARMOR_DAMAGEABLE, false);
+        this.ARMOR_DAMAGEABLE = !parameters.get(PropertiesNames.ARMOR_DAMAGEABLE, true);
 
         CompoundTag tag = getOrCreateNamedTag();
         CompoundTag components = tag.getCompound("components");
diff --git a/src/main/java/com/zhekasmirnov/apparatus/api/player/NetworkPlayerRegistry.java b/src/main/java/com/zhekasmirnov/apparatus/api/player/NetworkPlayerRegistry.java
index 5a67ff50..0fb61d40 100644
--- a/src/main/java/com/zhekasmirnov/apparatus/api/player/NetworkPlayerRegistry.java
+++ b/src/main/java/com/zhekasmirnov/apparatus/api/player/NetworkPlayerRegistry.java
@@ -3,6 +3,7 @@ package com.zhekasmirnov.apparatus.api.player;
 import com.zhekasmirnov.apparatus.multiplayer.Network;
 import com.zhekasmirnov.apparatus.multiplayer.server.ConnectedClient;
 import com.zhekasmirnov.innercore.api.NativeAPI;
+import com.zhekasmirnov.innercore.api.runtime.Callback;
 //import com.zhekasmirnov.innercore.api.runtime.Callback;
 
 import java.util.HashMap;
@@ -42,7 +43,7 @@ public class NetworkPlayerRegistry {
         synchronized (handlerMap) {
             NetworkPlayerHandler handler = handlerMap.remove(client.getPlayerUid());
             if (handler != null) {
-                //Network.getSingleton().getServerThreadJobExecutor().add(() -> Callback.invokeAPICallback("ServerPlayerLeft", handler.getActor().getUid()));
+                Network.getSingleton().getServerThreadJobExecutor().add(() -> Callback.invokeAPICallback("ServerPlayerLeft", handler.getActor().getUid()));
             }
         }
     }
diff --git a/src/main/java/com/zhekasmirnov/apparatus/multiplayer/server/ConnectedClient.java b/src/main/java/com/zhekasmirnov/apparatus/multiplayer/server/ConnectedClient.java
index 7d58cfbb..35fd369b 100644
--- a/src/main/java/com/zhekasmirnov/apparatus/multiplayer/server/ConnectedClient.java
+++ b/src/main/java/com/zhekasmirnov/apparatus/multiplayer/server/ConnectedClient.java
@@ -198,6 +198,8 @@ public class ConnectedClient extends Thread implements ChannelInterface.OnPacket
         try{
             if(!channel.isClosed())
                 channel.send(name, data);
+            else
+                ICLog.i("Network", "error send packet, socket close");
         }catch (Throwable e){
             ICLog.e("Network", "error send "+playerUid, e);
 
@@ -213,6 +215,8 @@ public class ConnectedClient extends Thread implements ChannelInterface.OnPacket
         try{
             if(!channel.isClosed())
                 channel.send(name, data, dataType);
+            else
+                ICLog.i("Network", "error send packet, socket close");
         }catch (Throwable e){
             ICLog.e("Network", "error send "+playerUid, e);
 
diff --git a/src/main/java/com/zhekasmirnov/horizon/runtime/logger/Logger.java b/src/main/java/com/zhekasmirnov/horizon/runtime/logger/Logger.java
index 0aa713b9..a99e8b30 100644
--- a/src/main/java/com/zhekasmirnov/horizon/runtime/logger/Logger.java
+++ b/src/main/java/com/zhekasmirnov/horizon/runtime/logger/Logger.java
@@ -3,9 +3,9 @@ package com.zhekasmirnov.horizon.runtime.logger;
 import java.io.PrintWriter;
 import java.io.StringWriter;
 
+import cn.nukkit.Server;
 import org.mozilla.javascript.RhinoException;
 
-import cn.nukkit.Server;
 
 public class Logger {
     public static Server server;
diff --git a/src/main/java/com/zhekasmirnov/innercore/api/NativeCallback.java b/src/main/java/com/zhekasmirnov/innercore/api/NativeCallback.java
index 14d0af78..1764685a 100644
--- a/src/main/java/com/zhekasmirnov/innercore/api/NativeCallback.java
+++ b/src/main/java/com/zhekasmirnov/innercore/api/NativeCallback.java
@@ -39,6 +39,7 @@ import com.zhekasmirnov.innercore.api.mod.recipes.workbench.WorkbenchRecipeRegis
 import com.zhekasmirnov.innercore.api.mod.ui.window.WindowProvider;
 import com.zhekasmirnov.innercore.api.mod.util.InventorySource;
 import com.zhekasmirnov.innercore.api.runtime.*;
+import com.zhekasmirnov.innercore.api.runtime.other.ArmorRegistry;
 import com.zhekasmirnov.innercore.api.runtime.other.NameTranslation;
 import com.zhekasmirnov.innercore.api.runtime.other.WorldGen;
 import com.zhekasmirnov.innercore.api.runtime.saver.world.WorldDataSaverHandler;