diff --git a/GeoLite2-City/GeoLite2-City.mmdb b/GeoLite2-City/GeoLite2-City.mmdb
deleted file mode 100644
index 247a5d57..00000000
Binary files a/GeoLite2-City/GeoLite2-City.mmdb and /dev/null differ
diff --git a/pom.xml b/pom.xml
index ab51fa87..321cfa1c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -50,10 +50,20 @@
         </pluginRepository>
     </pluginRepositories>
     <dependencies>
+
+        <dependency>
+            <groupId>org.lionsoul</groupId>
+            <artifactId>ip2region</artifactId>
+            <version>2.7.0</version>
+        </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-quartz</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-websocket</artifactId>
+        </dependency>
 
         <dependency>
             <groupId>com.aliyun.oss</groupId>
diff --git a/src/main/java/cn/lihongjie/coal/ip/IpQueryService.java b/src/main/java/cn/lihongjie/coal/ip/IpQueryService.java
index 39c57a27..83660bb6 100644
--- a/src/main/java/cn/lihongjie/coal/ip/IpQueryService.java
+++ b/src/main/java/cn/lihongjie/coal/ip/IpQueryService.java
@@ -1,29 +1,22 @@
 package cn.lihongjie.coal.ip;
 
 import com.maxmind.geoip2.DatabaseReader;
-import com.maxmind.geoip2.model.CityResponse;
 
 import jakarta.annotation.PostConstruct;
 
 import lombok.SneakyThrows;
 import lombok.extern.slf4j.Slf4j;
 
-import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
-import org.apache.commons.compress.archivers.tar.TarArchiveInputStream;
-import org.apache.commons.compress.compressors.gzip.GzipCompressorInputStream;
-import org.apache.commons.io.FileUtils;
-import org.apache.commons.lang3.StringUtils;
+import org.lionsoul.ip2region.xdb.Searcher;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.core.env.Environment;
+import org.springframework.core.io.Resource;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
 import java.io.*;
 import java.net.InetAddress;
-import java.net.URL;
-import java.nio.file.Files;
-import java.nio.file.Path;
 
 @Service
 @Slf4j
@@ -37,84 +30,38 @@ class IpQueryService {
     private String geolite2DownloadUrl;
 
     private DatabaseReader reader;
+    @Value("classpath:ip/ip2region.xdb")
+    Resource dbFile;
+    private Searcher searcher;
+
+    private static boolean isPrivateAddress(InetAddress inetAddress) {
+        byte[] addressBytes = inetAddress.getAddress();
+        int byte1 = addressBytes[0] & 0xff;
+        int byte2 = addressBytes[1] & 0xff;
+
+        return (byte1 == 10) ||
+               (byte1 == 172 && (byte2 >= 16 && byte2 <= 31)) ||
+               (byte1 == 192 && byte2  == 168);
+    }
+
+    @SneakyThrows
+    public static void main(String[] args){
+        System.out.println(isPrivateAddress(InetAddress.getByName("192.168.0.1")));
+    }
 
     @SneakyThrows
     @PostConstruct
     public void init() {
 
-        log.info("开始初始化GeoLite2-City本地数据库");
 
-        Path dbPath = Path.of("./GeoLite2-City/GeoLite2-City.mmdb");
-
-        Path dbDir = dbPath.getParent();
-        if (Files.notExists(dbDir)) {
-
-            Files.createDirectories(dbDir);
+        // 2、使用上述的 cBuff 创建一个完全基于内存的查询对象。
+        try {
+            searcher = Searcher.newWithBuffer(dbFile.getContentAsByteArray());
+        } catch (Exception e) {
+            log.warn("failed to new searcher with buffer", e);
+            return;
         }
-
-        if (Files.exists(dbPath)) {
-
-            log.info("发现默认数据库文件: {}", dbPath);
-
-        } else if (StringUtils.isNotEmpty(environment.getProperty("geolite2.city.path"))) {
-
-            dbPath = Path.of(environment.getProperty("geolite2.city.path"));
-
-            log.info("发现环境变量数据库文件: {}", dbPath);
-
-        } else {
-
-            log.info("没有找到数据库文件, 下载数据库文件");
-
-            File downloadPath = dbPath.getParent().resolve("GeoLite2-City.tar.gz").toFile();
-            FileUtils.copyURLToFile(
-                    new URL(geolite2DownloadUrl), downloadPath, 10 * 1000, 30 * 1000);
-
-            TarArchiveInputStream tarIn =
-                    new TarArchiveInputStream(
-                            new GzipCompressorInputStream(
-                                    new BufferedInputStream(new FileInputStream(downloadPath))));
-
-            TarArchiveEntry tarEntry = tarIn.getNextTarEntry();
-            Path newDbFile = null;
-            // tarIn is a TarArchiveInputStream
-            while (tarEntry != null) { // create a file with the same name as the tarEntry
-                File destPath = dbDir.resolve(tarEntry.getName()).toFile();
-                log.info(destPath.toString());
-
-                if (tarEntry.isDirectory()) {
-                    destPath.mkdirs();
-                } else {
-                    destPath.createNewFile();
-                    if (destPath.getName().endsWith("mmdb")) {
-                        newDbFile = destPath.toPath();
-                    }
-                    // byte [] btoRead = new byte[(int)tarEntry.getSize()];
-                    byte[] btoRead = new byte[1024];
-                    // FileInputStream fin
-                    //  = new FileInputStream(destPath.getCanonicalPath());
-                    BufferedOutputStream bout =
-                            new BufferedOutputStream(new FileOutputStream(destPath));
-                    int len = 0;
-
-                    while ((len = tarIn.read(btoRead)) != -1) {
-                        bout.write(btoRead, 0, len);
-                    }
-
-                    bout.close();
-                    btoRead = null;
-                }
-                tarEntry = tarIn.getNextTarEntry();
-            }
-            tarIn.close();
-
-            if (newDbFile != null) {
-
-                Files.move(newDbFile, dbPath);
-            }
-        }
-
-        reader = new DatabaseReader.Builder(dbPath.toFile()).build();
+        log.info("加载 ip2region.db 成功");
     }
 
     @SneakyThrows
@@ -122,14 +69,21 @@ class IpQueryService {
 
         if (reader != null) {
             InetAddress ipAddress = InetAddress.getByName(ipaddr);
-            boolean siteLocalAddress = ipAddress.isSiteLocalAddress();
-            if (siteLocalAddress) {
+            if (ipAddress.isAnyLocalAddress()) {
+                return "服务器本机地址";
+            }
+            if (ipAddress.isLoopbackAddress()) {
+                return "本地回环地址";
+            }
+            if (isPrivateAddress(ipAddress)) {
                 return "内网地址";
             }
+
+
             try {
 
-            CityResponse city = reader.city(ipAddress);
-            return city.getCountry().getName() + city.getCity().getName();
+                String search = searcher.search(ipaddr);
+                return search.replace("|0|", "").replace("|", "");
             } catch (Exception e) {
                 return "";
             }
diff --git a/src/main/resources/ip/ip2region.xdb b/src/main/resources/ip/ip2region.xdb
new file mode 100644
index 00000000..c78b7928
Binary files /dev/null and b/src/main/resources/ip/ip2region.xdb differ