diff --git a/pom.xml b/pom.xml
index 2b79a19..7e5641e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
 
     <artifactId>MiaoChat</artifactId>
-    <version>1.8.8</version>
+    <version>1.8.9</version>
 
     <parent>
         <groupId>pw.yumc</groupId>
@@ -13,8 +13,10 @@
     </parent>
 
     <properties>
-        <update.description>§a正式版本 §bv1.8.7 §a兼容 Spigot 1.13.2</update.description>
+        <update.description>§a正式版本 §bv1.8.9 §a兼容 Spigot 1.13.2</update.description>
         <update.changes>
+            §619-05-31 §a增强: 跨服聊天压缩数据 增加可传输内容大小;
+            §619-05-29 §c修复: 1.7.10不兼容的问题;
             §619-02-23 §c修复: BungeeCord 兼容性问题;
         </update.changes>
         <update.changelog>
diff --git a/src/main/java/pw/yumc/MiaoChat/MiaoChat.java b/src/main/java/pw/yumc/MiaoChat/MiaoChat.java
index 3c51916..8ab9071 100644
--- a/src/main/java/pw/yumc/MiaoChat/MiaoChat.java
+++ b/src/main/java/pw/yumc/MiaoChat/MiaoChat.java
@@ -15,7 +15,6 @@ import org.bukkit.plugin.messaging.PluginMessageListener;
 import com.google.common.io.ByteArrayDataInput;
 import com.google.common.io.ByteArrayDataOutput;
 import com.google.common.io.ByteStreams;
-
 import me.clip.placeholderapi.PlaceholderAPI;
 import me.clip.placeholderapi.PlaceholderHook;
 import pw.yumc.MiaoChat.config.ChatConfig;
@@ -74,8 +73,8 @@ public class MiaoChat extends JavaPlugin implements Executor, PluginMessageListe
             Bukkit.getPluginManager().registerEvents(this, this);
             Bukkit.getMessenger().registerIncomingPluginChannel(this, MiaoMessage.CHANNEL, this);
             Bukkit.getMessenger().registerOutgoingPluginChannel(this, MiaoMessage.CHANNEL);
-            Bukkit.getMessenger().registerIncomingPluginChannel(this, MiaoMessage.NORMALCHANNEL, this);
-            Bukkit.getMessenger().registerOutgoingPluginChannel(this, MiaoMessage.NORMALCHANNEL);
+            Bukkit.getMessenger().registerIncomingPluginChannel(this, MiaoMessage.NORMAL_CHANNEL, this);
+            Bukkit.getMessenger().registerOutgoingPluginChannel(this, MiaoMessage.NORMAL_CHANNEL);
         }
     }
 
@@ -88,6 +87,7 @@ public class MiaoChat extends JavaPlugin implements Executor, PluginMessageListe
                     return getChatConfig().getServername();
                 case "bserver":
                     return ServerName;
+                    default:
                 }
                 return "未知的参数";
             }
@@ -134,7 +134,7 @@ public class MiaoChat extends JavaPlugin implements Executor, PluginMessageListe
     public void onPluginMessageReceived(String channel, Player player, byte[] message) {
         if (MiaoMessage.CHANNEL.equals(channel)) {
             send(message);
-        } else if (MiaoMessage.NORMALCHANNEL.equals(channel)) {
+        } else if (MiaoMessage.NORMAL_CHANNEL.equals(channel)) {
             for (Player p : C.Player.getOnlinePlayers()) {
                 p.sendMessage(MiaoMessage.decode(message).getJson());
             }
diff --git a/src/main/java/pw/yumc/MiaoChat/MiaoChatBungee.java b/src/main/java/pw/yumc/MiaoChat/MiaoChatBungee.java
index 488e8a3..f9cbf2d 100644
--- a/src/main/java/pw/yumc/MiaoChat/MiaoChatBungee.java
+++ b/src/main/java/pw/yumc/MiaoChat/MiaoChatBungee.java
@@ -1,7 +1,6 @@
 package pw.yumc.MiaoChat;
 
 import java.net.InetSocketAddress;
-import java.util.Collection;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Map;
@@ -18,13 +17,16 @@ import net.md_5.bungee.event.EventHandler;
 import pw.yumc.MiaoChat.bungee.FileConfig;
 import pw.yumc.MiaoChat.bungee.Log;
 
+/**
+ * @author MiaoWoo
+ */
 public class MiaoChatBungee extends Plugin implements Listener {
     private Map<InetSocketAddress, Set<ServerInfo>> groups;
     private FileConfig config;
 
     @EventHandler
     public void handle(final PluginMessageEvent event) {
-        if (event.getTag().equals(MiaoMessage.CHANNEL) || event.getTag().equals(MiaoMessage.NORMALCHANNEL)) {
+        if (event.getTag().equals(MiaoMessage.CHANNEL) || event.getTag().equals(MiaoMessage.NORMAL_CHANNEL)) {
             InetSocketAddress origin = event.getSender().getAddress();
             if (groups.containsKey(origin)) {
                 groups.get(origin).forEach(server -> {
@@ -45,43 +47,40 @@ public class MiaoChatBungee extends Plugin implements Listener {
     public void loadGroup() {
         groups = new HashMap<>();
         Map<String, ServerInfo> temp = getProxy().getServers();
-        Set<ServerInfo> unused = new HashSet<>();
+        Set<ServerInfo> unused = new HashSet<>(temp.values());
         Configuration groupSel = config.getSection("Groups");
-        Collection<String> groupname = groupSel.getKeys();
-        groupname.forEach(gname -> {
-            Set<String> servers = new HashSet<>(groupSel.getStringList(gname));
-            Set<ServerInfo> sers = new HashSet<>();
-            servers.forEach(sname -> sers.add(temp.get(sname)));
-            sers.remove(null);
-            servers.forEach(sname -> {
-                ServerInfo isadd = temp.get(sname);
-                if (isadd != null) {
-                    unused.remove(isadd);
-                    groups.put(isadd.getAddress(), sers);
+        groupSel.getKeys().forEach(groupName -> {
+            Set<String> servers = new HashSet<>(groupSel.getStringList(groupName));
+            Set<ServerInfo> serverInfos = new HashSet<>();
+            servers.forEach(s -> {
+                if (temp.containsKey(s)) {
+                    ServerInfo serverInfo = temp.get(s);
+                    unused.remove(serverInfo);
+                    groups.put(serverInfo.getAddress(), serverInfos);
                 }
             });
         });
-        unused.forEach(unser -> groups.put(unser.getAddress(), unused));
+        unused.forEach(serverInfo -> groups.put(serverInfo.getAddress(), unused));
     }
 
     @Override
     public void onEnable() {
         loadGroup();
         getProxy().registerChannel(MiaoMessage.CHANNEL);
-        getProxy().registerChannel(MiaoMessage.NORMALCHANNEL);
+        getProxy().registerChannel(MiaoMessage.NORMAL_CHANNEL);
         getProxy().getPluginManager().registerListener(this, this);
         getProxy().getPluginManager().registerCommand(this, new Command("MiaoChat", "MiaoChat.admin", "mct") {
             @Override
             public void execute(CommandSender commandSender, String[] args) {
                 if (args.length > 0) {
                     switch (args[0].toLowerCase()) {
-                    case "reload":
-                        config.reload();
-                        loadGroup();
-                        commandSender.sendMessage("§a配置文件已重载!");
-                        return;
-                    case "version":
-                    default:
+                        case "reload":
+                            config.reload();
+                            loadGroup();
+                            commandSender.sendMessage("§a配置文件已重载!");
+                            return;
+                        case "version":
+                        default:
                     }
                 }
                 commandSender.sendMessage("§6插件版本: §av" + getDescription().getVersion());
diff --git a/src/main/java/pw/yumc/MiaoChat/MiaoMessage.java b/src/main/java/pw/yumc/MiaoChat/MiaoMessage.java
index fc2d65e..20d7c7c 100644
--- a/src/main/java/pw/yumc/MiaoChat/MiaoMessage.java
+++ b/src/main/java/pw/yumc/MiaoChat/MiaoMessage.java
@@ -1,16 +1,24 @@
 package pw.yumc.MiaoChat;
 
-import com.google.common.io.ByteArrayDataInput;
-import com.google.common.io.ByteArrayDataOutput;
-import com.google.common.io.ByteStreams;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.nio.charset.StandardCharsets;
+import java.util.zip.GZIPInputStream;
+import java.util.zip.GZIPOutputStream;
+
+import lombok.SneakyThrows;
 
 /**
  * Created on 16-9-8.
+ * @author MiaoWoo
  */
 public class MiaoMessage {
 
-    public static final String CHANNEL = "MiaoChat:MiaoChat".toLowerCase();
-    public static final String NORMALCHANNEL = "MiaoChat:MiaoChatNM".toLowerCase();
+    public static final String CHANNEL = "MiaoChat:Default".toLowerCase();
+    public static final String NORMAL_CHANNEL = "MiaoChat:Normal".toLowerCase();
+    private static final int MAX_MESSAGE_LENGTH = 32000;
     private String json;
 
     private MiaoMessage(String json) {
@@ -21,19 +29,33 @@ public class MiaoMessage {
         return new MiaoMessage(in).encode();
     }
 
+    @SneakyThrows
     public static MiaoMessage decode(byte[] in) {
-        final ByteArrayDataInput input = ByteStreams.newDataInput(in);
-        return new MiaoMessage(input.readUTF());
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        copy(new GZIPInputStream(new ByteArrayInputStream(in)), baos);
+        return new MiaoMessage(baos.toString("UTF-8"));
     }
 
     public String getJson() {
         return json;
     }
 
+    @SneakyThrows
     public byte[] encode() {
-        if (json.getBytes().length > 32000) { return null; }
-        final ByteArrayDataOutput out = ByteStreams.newDataOutput();
-        out.writeUTF(json);
-        return out.toByteArray();
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        copy(new ByteArrayInputStream(json.getBytes(StandardCharsets.UTF_8)), new GZIPOutputStream(baos));
+        if (baos.size() > MAX_MESSAGE_LENGTH) { return null; }
+        return baos.toByteArray();
+    }
+
+    @SneakyThrows
+    private static void copy(InputStream input, OutputStream output) {
+        byte[] buffer = new byte[1024];
+        int n;
+        while ((n = input.read(buffer)) != -1) {
+            output.write(buffer, 0, n);
+        }
+        input.close();
+        output.close();
     }
 }
\ No newline at end of file
diff --git a/src/main/java/pw/yumc/MiaoChat/listeners/ChatListener.java b/src/main/java/pw/yumc/MiaoChat/listeners/ChatListener.java
index a71d3a8..4cbdde8 100644
--- a/src/main/java/pw/yumc/MiaoChat/listeners/ChatListener.java
+++ b/src/main/java/pw/yumc/MiaoChat/listeners/ChatListener.java
@@ -28,6 +28,9 @@ import pw.yumc.YumCore.statistic.Statistics;
 import pw.yumc.YumCore.tellraw.Tellraw;
 import pw.yumc.YumCore.update.SubscribeTask;
 
+/**
+ * @author MiaoWoo
+ */
 public class ChatListener implements Listener {
     public static Set<Player> offList = new HashSet<>();
     private static Pattern ITEM_PATTERN = Pattern.compile("%([i1-9]?)");
@@ -111,7 +114,7 @@ public class ChatListener implements Listener {
                 byte[] mm = MiaoMessage.encode(tr.toJsonString());
                 // 数据流等于NULL代表数据超长
                 if (mm == null) {
-                    p.sendPluginMessage(P.instance, MiaoMessage.NORMALCHANNEL, MiaoMessage.encode(tr.toOldMessageFormat()));
+                    p.sendPluginMessage(P.instance, MiaoMessage.NORMAL_CHANNEL, MiaoMessage.encode(tr.toOldMessageFormat()));
                 } else {
                     p.sendPluginMessage(P.instance, MiaoMessage.CHANNEL, mm);
                 }
diff --git a/src/main/resources/group.yml b/src/main/resources/group.yml
index 95982d5..0745489 100644
--- a/src/main/resources/group.yml
+++ b/src/main/resources/group.yml
@@ -7,9 +7,9 @@ Version: 1.0
 Groups:
   #普通分组
   normal:
-  - 'sc1'
-  - 'sc2'
+  #  - 'sc1'
+  #  - 'sc2'
   #游戏分组
   games:
-  - 'bw1'
-  - 'sg1'
\ No newline at end of file
+#  - 'bw1'
+#  - 'sg1'
\ No newline at end of file