diff --git a/src/main/java/org/aohe/core/swing/MainWindow.java b/src/main/java/org/aohe/core/swing/MainWindow.java
index f15393e..bb09e75 100644
--- a/src/main/java/org/aohe/core/swing/MainWindow.java
+++ b/src/main/java/org/aohe/core/swing/MainWindow.java
@@ -1,10 +1,12 @@
 package org.aohe.core.swing;
 
 import lombok.extern.slf4j.Slf4j;
+import org.aohe.core.utils.CommandUtils;
 import org.aohe.core.web.SocketFactory;
 
 import javax.swing.*;
 import java.awt.*;
+import java.util.List;
 
 @Slf4j
 public class MainWindow extends JFrame {
@@ -55,6 +57,7 @@ public class MainWindow extends JFrame {
         startButton.addActionListener(e -> {
             startButton.setEnabled(false);
             stopButton.setEnabled(true);
+            CommandUtils.killUsedPort("8997");
             initSocket();
             setView("服务已打开...");
             serviceStatus = true;
@@ -125,6 +128,11 @@ public class MainWindow extends JFrame {
         }
     }
 
+    public boolean checkPort(String port){
+        List<CommandUtils.LsofInfo> lsofInfos = CommandUtils.findPort(port);
+        return !lsofInfos.isEmpty();
+    }
+
     public static void setView(String msg){
         if(logTextArea != null){
             logTextArea.append(msg +"\n");
diff --git a/src/main/java/org/aohe/core/utils/CommandUtils.java b/src/main/java/org/aohe/core/utils/CommandUtils.java
index 5a3766c..955a6e5 100644
--- a/src/main/java/org/aohe/core/utils/CommandUtils.java
+++ b/src/main/java/org/aohe/core/utils/CommandUtils.java
@@ -2,6 +2,8 @@ package org.aohe.core.utils;
 
 import cn.hutool.core.util.RuntimeUtil;
 import cn.hutool.core.util.StrUtil;
+import lombok.Data;
+import lombok.ToString;
 import lombok.extern.slf4j.Slf4j;
 
 import java.nio.charset.StandardCharsets;
@@ -59,4 +61,57 @@ public class CommandUtils {
         return result;
     }
 
+    public static void killUsedPort(String port){
+        List<LsofInfo> lsofInfos = findPort(port);
+        for(LsofInfo lsofInfo : lsofInfos){
+            destroy(lsofInfo.getPid());
+        }
+    }
+
+    public static List<LsofInfo> findPort(String port){
+        String exec = StrUtil.format("lsof -i:{}",port);
+        String s = execForStrUtf8Sudo(exec);
+        return parseCommandOutput(s);
+    }
+
+    public static void destroy(String pid){
+        String exec = StrUtil.format("kill -9 {}",pid);
+        execForStrUtf8Sudo(exec);
+    }
+
+    /**
+     * lsof 格式化
+     * @param output s
+     * @return list
+     */
+    public static List<LsofInfo> parseCommandOutput(String output) {
+        List<LsofInfo> processInfos = new ArrayList<>();
+        String[] lines = output.split("\n");
+        if(lines.length <= 1){
+            return new ArrayList<>();
+        }
+
+        for (int i = 1 ; i < lines.length ; i ++) {
+            //从第一行开始
+            String[] parts = lines[i].trim().split("\\s+");
+            if (parts.length < 6) {
+                return new ArrayList<>();
+            }
+            LsofInfo processInfo = new LsofInfo();
+            processInfo.setPid(parts[1]);
+            processInfo.setType(parts[4]);
+
+            processInfos.add(processInfo);
+        }
+
+        return processInfos;
+    }
+
+    @Data
+    @ToString
+    public static class LsofInfo {
+        private String pid;
+        private String type;
+    }
+
 }
diff --git a/src/main/java/org/aohe/core/utils/SystemUtils.java b/src/main/java/org/aohe/core/utils/SystemUtils.java
index a24a5c9..07ced75 100644
--- a/src/main/java/org/aohe/core/utils/SystemUtils.java
+++ b/src/main/java/org/aohe/core/utils/SystemUtils.java
@@ -1,18 +1,11 @@
 package org.aohe.core.utils;
 
-import cn.hutool.core.net.Ipv4Util;
 import cn.hutool.core.net.NetUtil;
-import org.aohe.core.sane.utils.SaneSessionUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import java.net.*;
 import java.util.Enumeration;
-import java.util.List;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.LinkedBlockingQueue;
-import java.util.concurrent.ThreadPoolExecutor;
-import java.util.concurrent.TimeUnit;
 
 public class SystemUtils {