diff --git a/src/main/java/net/krlite/knowledges/KnowledgesCommon.java b/src/main/java/net/krlite/knowledges/KnowledgesCommon.java
index 69073b7..c33bda2 100644
--- a/src/main/java/net/krlite/knowledges/KnowledgesCommon.java
+++ b/src/main/java/net/krlite/knowledges/KnowledgesCommon.java
@@ -11,6 +11,6 @@ public class KnowledgesCommon implements ModInitializer {
 
     @Override
     public void onInitialize() {
-        KnowledgesNetworking.register();
+        KnowledgesNetworking.registerServer();
     }
 }
diff --git a/src/main/java/net/krlite/knowledges/impl/representable/KnowledgesBlockRepresentable.java b/src/main/java/net/krlite/knowledges/impl/representable/KnowledgesBlockRepresentable.java
index 5824534..7f015e8 100644
--- a/src/main/java/net/krlite/knowledges/impl/representable/KnowledgesBlockRepresentable.java
+++ b/src/main/java/net/krlite/knowledges/impl/representable/KnowledgesBlockRepresentable.java
@@ -77,6 +77,7 @@ public static void onRequest(PacketByteBuf buf, ServerPlayerEntity player, Consu
         });
     }
 
+    @Override
     public void writeToBuf(PacketByteBuf buf) {
         buf.writeBlockHitResult(hitResult());
         buf.writeVarInt(Block.getRawIdFromState(blockState()));
diff --git a/src/main/java/net/krlite/knowledges/impl/representable/KnowledgesEntityRepresentable.java b/src/main/java/net/krlite/knowledges/impl/representable/KnowledgesEntityRepresentable.java
index 9ed8051..d36cdf6 100644
--- a/src/main/java/net/krlite/knowledges/impl/representable/KnowledgesEntityRepresentable.java
+++ b/src/main/java/net/krlite/knowledges/impl/representable/KnowledgesEntityRepresentable.java
@@ -41,8 +41,9 @@ public static void onRequest(PacketByteBuf buf, ServerPlayerEntity player, Consu
             responseSender.accept(compound);
         });
     }
-    
-    public void writeToPacket(PacketByteBuf buf) {
+
+    @Override
+    public void writeToBuf(PacketByteBuf buf) {
         buf.writeVarInt(entity().getId());
         
         Vec3d hitPos = hitResult().getPos();
diff --git a/src/main/java/net/krlite/knowledges/networking/KnowledgesNetworking.java b/src/main/java/net/krlite/knowledges/networking/KnowledgesNetworking.java
index 12468b7..a7b943c 100644
--- a/src/main/java/net/krlite/knowledges/networking/KnowledgesNetworking.java
+++ b/src/main/java/net/krlite/knowledges/networking/KnowledgesNetworking.java
@@ -1,10 +1,15 @@
 package net.krlite.knowledges.networking;
 
+import net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents;
+import net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking;
 import net.fabricmc.fabric.api.networking.v1.PacketByteBufs;
+import net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents;
 import net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking;
+import net.krlite.knowledges.KnowledgesClient;
 import net.krlite.knowledges.KnowledgesCommon;
 import net.krlite.knowledges.impl.representable.KnowledgesBlockRepresentable;
 import net.krlite.knowledges.impl.representable.KnowledgesEntityRepresentable;
+import net.minecraft.nbt.NbtCompound;
 import net.minecraft.network.PacketByteBuf;
 import net.minecraft.util.Identifier;
 
@@ -12,12 +17,13 @@ public class KnowledgesNetworking {
     public static final Identifier PACKET_PEEK_BLOCK = identifier("packet_peek_block");
     public static final Identifier PACKET_PEEK_ENTITY = identifier("packet_peek_entity");
     public static final Identifier PACKET_RECEIVE_DATA = identifier("packet_receive_data");
+    public static final Identifier PACKET_SERVER_PING = identifier("packet_server_ping");
 
     public static Identifier identifier(String path) {
         return new Identifier(KnowledgesCommon.ID + "_networking", path);
     }
 
-    public static void register() {
+    public static void registerServer() {
         ServerPlayNetworking.registerGlobalReceiver(PACKET_PEEK_BLOCK, (server, player, handler, buf, responseSender) -> {
             KnowledgesBlockRepresentable.onRequest(buf, player, server::execute, compound -> {
                 PacketByteBuf data = PacketByteBufs.create();
@@ -32,5 +38,17 @@ public static void register() {
                 responseSender.sendPacket(PACKET_RECEIVE_DATA, data);
             });
         });
+        ServerPlayConnectionEvents.JOIN.register((handler, sender, server) -> ServerPlayNetworking.send(handler.getPlayer(), PACKET_SERVER_PING, PacketByteBufs.create()));
+    }
+
+    public static void registerClient() {
+        ClientPlayConnectionEvents.DISCONNECT.register((handler, client) -> KnowledgesClient.HUD.setConnectionStatus(false));
+        ClientPlayNetworking.registerGlobalReceiver(KnowledgesNetworking.PACKET_RECEIVE_DATA, (client, handler, buf, responseSender) -> {
+            NbtCompound compound = buf.readNbt();
+            client.execute(() -> KnowledgesClient.HUD.onReceiveData(compound));
+        });
+        ClientPlayNetworking.registerGlobalReceiver(KnowledgesNetworking.PACKET_SERVER_PING, (client, handler, buf, responseSender) ->
+                client.execute(() -> KnowledgesClient.HUD.setConnectionStatus(true))
+        );
     }
 }