From 0b19a75d7b714b2c7d9a89fa488cf1dba2ebda2a Mon Sep 17 00:00:00 2001
From: chuzhongzai <njy1822574439@outlook.com>
Date: Sun, 31 Aug 2025 14:10:49 +0800
Subject: [PATCH] =?UTF-8?q?=E7=9B=91=E5=90=AC=E5=94=A4=E9=86=92=E7=AB=AF?=
 =?UTF-8?q?=E5=8F=A3=E5=85=81=E8=AE=B8=E6=BC=82=E7=A7=BB=EF=BC=8C=E9=98=B2?=
 =?UTF-8?q?=E6=AD=A2=E5=94=A4=E9=86=92=E7=AB=AF=E5=8F=A3=E8=A2=AB=E5=85=B6?=
 =?UTF-8?q?=E4=BB=96=E7=A8=8B=E5=BA=8F=E5=8D=A0=E7=94=A8=E6=97=B6=E6=97=A0?=
 =?UTF-8?q?=E6=B3=95=E5=AE=9E=E7=8E=B0=E5=94=A4=E9=86=92?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .gitignore                         |  3 ++-
 src/main/java/lion/CustomUtil.java | 13 +++++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index 5ff6309..ba492f6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -35,4 +35,5 @@ build/
 .vscode/
 
 ### Mac OS ###
-.DS_Store
\ No newline at end of file
+.DS_Store
+/.idea/encodings.xml
diff --git a/src/main/java/lion/CustomUtil.java b/src/main/java/lion/CustomUtil.java
index a10b556..07b71ee 100644
--- a/src/main/java/lion/CustomUtil.java
+++ b/src/main/java/lion/CustomUtil.java
@@ -5,6 +5,8 @@ import cn.hutool.http.HttpResponse;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.Data;
 
+import java.io.IOException;
+import java.net.ServerSocket;
 import java.util.concurrent.atomic.AtomicInteger;
 
 
@@ -25,4 +27,15 @@ public class CustomUtil {
             }
         }
     }
+
+    public static int _findIdlePort(int port) {
+        for(int i=port; i<65535; i++){
+            try(ServerSocket ignored = new ServerSocket(i)){
+                ignored.close();
+                return  i;
+            }catch (IOException ignored) {
+            }
+        }
+        return -1;
+    }
 }