diff --git a/src/main/java/cc/baka9/catseedlogin/bungee/Communication.java b/src/main/java/cc/baka9/catseedlogin/bungee/Communication.java
index 65c89da..32d3cd2 100644
--- a/src/main/java/cc/baka9/catseedlogin/bungee/Communication.java
+++ b/src/main/java/cc/baka9/catseedlogin/bungee/Communication.java
@@ -1,13 +1,13 @@
 package cc.baka9.catseedlogin.bungee;
 
-import cc.baka9.catseedlogin.util.CommunicationAuth;
-import net.md_5.bungee.api.ProxyServer;
-
 import java.io.BufferedWriter;
 import java.io.IOException;
 import java.io.OutputStreamWriter;
 import java.net.Socket;
 
+import cc.baka9.catseedlogin.util.CommunicationAuth;
+import net.md_5.bungee.api.ProxyServer;
+
 /**
  * bc 与 bukkit 的通讯交流
  */
@@ -16,33 +16,21 @@ public class Communication {
     private static final int PORT = Config.Port;
 
     public static int sendConnectRequest(String playerName) {
-        try (Socket socket = getSocket(); BufferedWriter bufferedWriter = getSocketBufferedWriter(socket)) {
-            bufferedWriter.write("Connect");
-            bufferedWriter.newLine();
-            bufferedWriter.write(playerName);
-            bufferedWriter.newLine();
-            bufferedWriter.flush();
+        try (Socket socket = getSocket(); BufferedWriter writer = getSocketBufferedWriter(socket)) {
+            writeMessage(writer, "Connect", playerName);
             return socket.getInputStream().read();
         } catch (IOException e) {
             handleIOException(e);
+            return 0;
         }
-        return 0;
     }
 
     public static void sendKeepLoggedInRequest(String playerName) {
-        try (Socket socket = getSocket(); BufferedWriter bufferedWriter = getSocketBufferedWriter(socket)) {
-            bufferedWriter.write("KeepLoggedIn");
-            bufferedWriter.newLine();
-            bufferedWriter.write(playerName);
-            bufferedWriter.newLine();
+        try (Socket socket = getSocket(); BufferedWriter writer = getSocketBufferedWriter(socket)) {
             long currentTime = System.currentTimeMillis();
             String time = String.valueOf(currentTime);
-            bufferedWriter.write(time);
-            bufferedWriter.newLine();
             String sign = CommunicationAuth.encryption(playerName, time, Config.AuthKey);
-            bufferedWriter.write(sign);
-            bufferedWriter.newLine();
-            bufferedWriter.flush();
+            writeMessage(writer, "KeepLoggedIn", playerName, time, sign);
         } catch (IOException e) {
             handleIOException(e);
         }
@@ -53,7 +41,7 @@ private static Socket getSocket() throws IOException {
             return new Socket(HOST, PORT);
         } catch (IOException e) {
             ProxyServer.getInstance().getLogger().warning("§c请检查装载登录插件的子服是否在 bungeecord.yml 中开启了bungeecord功能，以及Host和Port是否与bc端的配置相同");
-            throw new IOException(e);
+            throw e;
         }
     }
 
@@ -61,7 +49,15 @@ private static BufferedWriter getSocketBufferedWriter(Socket socket) throws IOEx
         return new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
     }
 
+    private static void writeMessage(BufferedWriter writer, String... messages) throws IOException {
+        for (String message : messages) {
+            writer.write(message);
+            writer.newLine();
+        }
+        writer.flush();
+    }
+
     private static void handleIOException(IOException e) {
         ProxyServer.getInstance().getLogger().severe("发生 I/O 异常: " + e.getMessage());
     }
-}
\ No newline at end of file
+}