diff --git a/pom.xml b/pom.xml
index 4561c33..1373253 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>pw.yumc</groupId>
     <artifactId>MiaoChat</artifactId>
-    <version>1.8.1</version>
+    <version>1.8.2</version>
     <build>
         <finalName>${project.name}</finalName>
         <resources>
@@ -70,8 +70,9 @@
         <url>http://ci.yumc.pw/job/${project.artifactId}/</url>
     </ciManagement>
     <properties>
-        <update.description>§a正式版本 §b${project.version} §a版本</update.description>
+        <update.description>§a正式版本 §bv${project.version}</update.description>
         <update.changes>
+            §617-05-21 §c修复: BungeeCord未分配分组时报错;
             §617-04-07 §c修复: 控制台重复输出聊天信息;
         </update.changes>
         <update.changelog>
diff --git a/src/main/java/pw/yumc/MiaoChat/MiaoChatBungee.java b/src/main/java/pw/yumc/MiaoChat/MiaoChatBungee.java
index 02b80ec..488e8a3 100644
--- a/src/main/java/pw/yumc/MiaoChat/MiaoChatBungee.java
+++ b/src/main/java/pw/yumc/MiaoChat/MiaoChatBungee.java
@@ -26,11 +26,13 @@ public class MiaoChatBungee extends Plugin implements Listener {
     public void handle(final PluginMessageEvent event) {
         if (event.getTag().equals(MiaoMessage.CHANNEL) || event.getTag().equals(MiaoMessage.NORMALCHANNEL)) {
             InetSocketAddress origin = event.getSender().getAddress();
-            groups.get(origin).forEach(server -> {
-                if (!server.getAddress().equals(origin) && server.getPlayers().size() > 0) {
-                    server.sendData(event.getTag(), event.getData());
-                }
-            });
+            if (groups.containsKey(origin)) {
+                groups.get(origin).forEach(server -> {
+                    if (!server.getAddress().equals(origin) && server.getPlayers().size() > 0) {
+                        server.sendData(event.getTag(), event.getData());
+                    }
+                });
+            }
         }
     }