diff --git a/src/main/java/cc/baka9/catseedlogin/bukkit/Communication.java b/src/main/java/cc/baka9/catseedlogin/bukkit/Communication.java
index e1e60a5..5d226be 100644
--- a/src/main/java/cc/baka9/catseedlogin/bukkit/Communication.java
+++ b/src/main/java/cc/baka9/catseedlogin/bukkit/Communication.java
@@ -1,22 +1,22 @@
 package cc.baka9.catseedlogin.bukkit;
 
-import java.net.Socket;
+import java.io.BufferedReader;
 import java.io.IOException;
+import java.io.InputStreamReader;
 import java.net.InetAddress;
 import java.net.ServerSocket;
-import java.io.BufferedReader;
-import java.io.InputStreamReader;
+import java.net.Socket;
 import java.net.UnknownHostException;
-import java.util.concurrent.Executors;
 import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
 
 import org.bukkit.Bukkit;
 import org.bukkit.entity.Player;
 
 import cc.baka9.catseedlogin.bukkit.database.Cache;
-import cc.baka9.catseedlogin.util.CommunicationAuth;
 import cc.baka9.catseedlogin.bukkit.object.LoginPlayer;
 import cc.baka9.catseedlogin.bukkit.object.LoginPlayerHelper;
+import cc.baka9.catseedlogin.util.CommunicationAuth;
 
 public class Communication {
     private static ServerSocket serverSocket;
@@ -62,8 +62,9 @@ private static void acceptConnections(ServerSocket serverSocket) {
 
 
 private static void handleRequest(Socket socket) {
-    try (BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(socket.getInputStream()));
-         Socket autoCloseSocket = socket) {
+    BufferedReader bufferedReader = null;
+    try {
+        bufferedReader = new BufferedReader(new InputStreamReader(socket.getInputStream()));
         String requestType = bufferedReader.readLine();
         if (requestType == null) {
             return;
@@ -71,7 +72,7 @@ private static void handleRequest(Socket socket) {
         String playerName = bufferedReader.readLine();
         switch (requestType) {
             case "Connect":
-                handleConnectRequest(autoCloseSocket, playerName);
+                handleConnectRequest(socket, playerName);
                 break;
             case "KeepLoggedIn":
                 String time = bufferedReader.readLine();
diff --git a/src/main/java/cc/baka9/catseedlogin/bungee/Communication.java b/src/main/java/cc/baka9/catseedlogin/bungee/Communication.java
index 32d3cd2..d00579c 100644
--- a/src/main/java/cc/baka9/catseedlogin/bungee/Communication.java
+++ b/src/main/java/cc/baka9/catseedlogin/bungee/Communication.java
@@ -1,12 +1,12 @@
 package cc.baka9.catseedlogin.bungee;
 
-import java.io.BufferedWriter;
+import java.net.Socket;
 import java.io.IOException;
+import java.io.BufferedWriter;
 import java.io.OutputStreamWriter;
-import java.net.Socket;
 
-import cc.baka9.catseedlogin.util.CommunicationAuth;
 import net.md_5.bungee.api.ProxyServer;
+import cc.baka9.catseedlogin.util.CommunicationAuth;
 
 /**
  * bc 与 bukkit 的通讯交流
@@ -16,7 +16,11 @@ public class Communication {
     private static final int PORT = Config.Port;
 
     public static int sendConnectRequest(String playerName) {
-        try (Socket socket = getSocket(); BufferedWriter writer = getSocketBufferedWriter(socket)) {
+        Socket socket = null;
+        BufferedWriter writer = null;
+        try {
+            socket = getSocket();
+            writer = getSocketBufferedWriter(socket);
             writeMessage(writer, "Connect", playerName);
             return socket.getInputStream().read();
         } catch (IOException e) {
@@ -26,7 +30,11 @@ public static int sendConnectRequest(String playerName) {
     }
 
     public static void sendKeepLoggedInRequest(String playerName) {
-        try (Socket socket = getSocket(); BufferedWriter writer = getSocketBufferedWriter(socket)) {
+        Socket socket = null;
+        BufferedWriter writer = null;
+        try {
+            socket = getSocket();
+            writer = getSocketBufferedWriter(socket);
             long currentTime = System.currentTimeMillis();
             String time = String.valueOf(currentTime);
             String sign = CommunicationAuth.encryption(playerName, time, Config.AuthKey);