diff --git a/README.md b/README.md
index 01b7f4d..78b217c 100644
--- a/README.md
+++ b/README.md
@@ -14,30 +14,30 @@
 kenaito-conf/
 ├── server/                              # Go 管理端（Gin + xorm）
 ├── web/                                 # Vue 2 前端
-├── kenaito-conf-go-client/              # （测试通过）Go 客户端 SDK
-├── kenaito-conf-go-client-demo/         # （测试通过）Go 客户端示例
-├── kenaito-conf-springboot2-client/     # （测试通过）Java Spring Boot 2.x 客户端 SDK（JDK 8+）
-├── kenaito-conf-springboot2-client-demo/# （测试通过）Spring Boot 2.x 客户端示例（端口 8081）
-├── kenaito-conf-python-client/          # （测试通过）Python 客户端 SDK（Python 3.10+）
-├── kenaito-conf-python-client-demo/     # （测试通过）Python 客户端示例（端口 8082）
-├── kenaito-conf-nodejs-client/          # （测试通过）Node.js 客户端 SDK（Node.js 18+）
-├── kenaito-conf-nodejs-client-demo/     # （测试通过）Node.js 客户端示例（端口 8083）
-├── kenaito-conf-php-client/             # （待测试）PHP 客户端 SDK（PHP 8.0+）
-├── kenaito-conf-php-client-demo/        # （待测试）PHP 客户端示例
-├── kenaito-conf-dotnet-client/          # （待测试）.NET 客户端 SDK（.NET 6.0+）
-├── kenaito-conf-dotnet-client-demo/     # （待测试）.NET 客户端示例
-├── kenaito-conf-c-client/               # （待测试）C 客户端 SDK（libcurl + OpenSSL）
-├── kenaito-conf-c-client-demo/          # （待测试）C 客户端示例
-├── kenaito-conf-cpp-client/             # （待测试）C++ 客户端 SDK（libcurl + OpenSSL）
-├── kenaito-conf-cpp-client-demo/        # （待测试）C++ 客户端示例
-├── kenaito-conf-lua-client/             # （待测试）Lua 客户端 SDK（Lua 5.3+）
-├── kenaito-conf-lua-client-demo/        # （待测试）Lua 客户端示例
-├── kenaito-conf-kotlin-client/          # （待测试）Kotlin 客户端 SDK（Kotlin 1.9+）
-├── kenaito-conf-kotlin-client-demo/     # （待测试）Kotlin 客户端示例
-├── kenaito-conf-rust-client/            # （待测试）Rust 客户端 SDK（Rust 1.70+）
-├── kenaito-conf-rust-client-demo/       # （待测试）Rust 客户端示例
-├── kenaito-conf-ruby-client/            # （待测试）Ruby 客户端 SDK（Ruby 2.7+）
-└── kenaito-conf-ruby-client-demo/       # （待测试）Ruby 客户端示例
+├── kenaito-conf-go-client/              # Go 客户端 SDK
+├── kenaito-conf-go-client-demo/         # Go 客户端示例
+├── kenaito-conf-springboot2-client/     # Java Spring Boot 2.x 客户端 SDK（JDK 8+）
+├── kenaito-conf-springboot2-client-demo/# Spring Boot 2.x 客户端示例（端口 8081）
+├── kenaito-conf-python-client/          # Python 客户端 SDK（Python 3.10+）
+├── kenaito-conf-python-client-demo/     # Python 客户端示例（端口 8082）
+├── kenaito-conf-nodejs-client/          # Node.js 客户端 SDK（Node.js 18+）
+├── kenaito-conf-nodejs-client-demo/     # Node.js 客户端示例（端口 8083）
+├── kenaito-conf-php-client/             # （未支持）PHP 客户端 SDK（PHP 8.0+）
+├── kenaito-conf-php-client-demo/        # （未支持）PHP 客户端示例
+├── kenaito-conf-dotnet-client/          # （未支持）.NET 客户端 SDK（.NET 6.0+）
+├── kenaito-conf-dotnet-client-demo/     # （未支持）.NET 客户端示例
+├── kenaito-conf-c-client/               # （未支持）C 客户端 SDK（libcurl + OpenSSL）
+├── kenaito-conf-c-client-demo/          # （未支持）C 客户端示例
+├── kenaito-conf-cpp-client/             # （未支持）C++ 客户端 SDK（libcurl + OpenSSL）
+├── kenaito-conf-cpp-client-demo/        # （未支持）C++ 客户端示例
+├── kenaito-conf-lua-client/             # （未支持）Lua 客户端 SDK（Lua 5.3+）
+├── kenaito-conf-lua-client-demo/        # （未支持）Lua 客户端示例
+├── kenaito-conf-kotlin-client/          # （未支持）Kotlin 客户端 SDK（Kotlin 1.9+）
+├── kenaito-conf-kotlin-client-demo/     # （未支持）Kotlin 客户端示例
+├── kenaito-conf-rust-client/            # （未支持）Rust 客户端 SDK（Rust 1.70+）
+├── kenaito-conf-rust-client-demo/       # （未支持）Rust 客户端示例
+├── kenaito-conf-ruby-client/            # （未支持）Ruby 客户端 SDK（Ruby 2.7+）
+└── kenaito-conf-ruby-client-demo/       # （未支持）Ruby 客户端示例
 ```
 
 ## 快速开始
@@ -132,6 +132,7 @@ dbHost := c.Get("db.host")
 **1. 引入依赖**
 
 ```xml
+
 <dependency>
     <groupId>cn.odboy</groupId>
     <artifactId>kenaito-conf-springboot2-client</artifactId>
@@ -166,26 +167,8 @@ private String databaseHost;
 private Integer databasePort;
 ```
 
-配置变更时会自动刷新 `@Value` 字段，无需重启应用。详见 [Spring Boot 2 客户端文档](kenaito-conf-springboot2-client/README.md)。
-
-### Java Spring Boot 3 客户端
-
-适用于 JDK 11+ 项目（当前编译目标 Spring Boot 2.7.18，预留 Spring Boot 3 升级路径）。
-
-**1. 引入依赖**
-
-```xml
-
-<dependency>
-    <groupId>cn.odboy</groupId>
-    <artifactId>kenaito-conf-springboot3-client</artifactId>
-    <version>1.0.0</version>
-</dependency>
-```
-
-**2. 配置与使用方式同 Spring Boot 2.x 客户端。**
-
-> **注意：** 升级到 Spring Boot 3 需先将编译目标改为 JDK 17，并更新 `spring-boot.version` 为 3.x、Spring Framework 为 6.x。
+配置变更时会自动刷新 `@Value`
+字段，无需重启应用。详见 [Spring Boot 2 客户端文档](kenaito-conf-springboot2-client/README.md)。
 
 ### Python 客户端
 
@@ -281,225 +264,6 @@ const allConfigs = client.getAll();
 client.stop();
 ```
 
-### PHP 客户端
-
-适用于 PHP 8.0+ 项目。
-
-**1. 安装**
-
-```bash
-cd kenaito-conf-php-client
-composer install
-```
-
-**2. 使用**
-
-```php
-use KenaitoConf\Config;
-use KenaitoConf\ConfigClient;
-
-$config = new Config([
-    'baseUrl' => 'http://localhost:8080',
-    'appName' => 'kenaito-springboot-demo',
-    'env' => 'daily',
-    'syncInterval' => 30,
-]);
-
-$client = new ConfigClient($config);
-
-$client->onChange(function ($changed) {
-    foreach ($changed as $k => $v) {
-        echo "config changed: $k = $v\n";
-    }
-});
-
-$client->start();
-$value = $client->get('database.host');
-$all = $client->getAll();
-```
-
-### .NET 客户端
-
-适用于 .NET 6.0+ 项目。
-
-**1. 引入依赖**
-
-```xml
-
-<ProjectReference Include="..\kenaito-conf-dotnet-client\KenaitoConf.csproj"/>
-```
-
-**2. 使用**
-
-```csharp
-using KenaitoConf;
-
-var config = new Config
-{
-    BaseUrl = "http://localhost:8080",
-    AppName = "kenaito-springboot-demo",
-    Env = "daily",
-    SyncInterval = 30,
-};
-
-var client = new ConfigClient(config);
-client.OnChange(changed => {
-    foreach (var kv in changed)
-        Console.WriteLine($"config changed: {kv.Key} = {kv.Value}");
-});
-
-await client.StartAsync();
-var value = client.Get("database.host");
-```
-
-### C 客户端
-
-适用于嵌入式或高性能场景，依赖 libcurl。
-
-**编译**
-
-```bash
-gcc -o demo kenaito-conf-c-client/main.c -lcurl
-```
-
-### C++ 客户端
-
-依赖 libcurl，C++17。
-
-**编译**
-
-```bash
-g++ -std=c++17 -o demo kenaito-conf-cpp-client/main.cpp -lcurl -lpthread
-```
-
-### Lua 客户端
-
-适用于 Lua 5.3+ 项目（如 OpenResty/Nginx 网关）。
-
-**1. 安装**
-
-```bash
-cd kenaito-conf-lua-client
-luarocks install kenaito-conf-client-1.0.0-1.rockspec
-```
-
-**2. 使用**
-
-```lua
-local ConfigClient = require("kenaito-conf")
-
-local config = {
-    baseUrl = "http://localhost:8080",
-    appName = "kenaito-springboot-demo",
-    env = "daily",
-    syncInterval = 30,
-}
-
-local client = ConfigClient.new(config)
-client:on_change(function(changed)
-    for k, v in pairs(changed) do
-        print("config changed: " .. k .. " = " .. v)
-    end
-end)
-client:start()
-```
-
-### Kotlin 客户端
-
-适用于 Kotlin 1.9+ 项目。
-
-**1. 编译**
-
-```bash
-cd kenaito-conf-kotlin-client
-./gradlew build
-```
-
-**2. 使用**
-
-```kotlin
-import kenait.conf.Config
-import kenait.conf.ConfigClient
-
-val config = Config(
-    baseUrl = "http://localhost:8080",
-    appName = "kenaito-springboot-demo",
-    env = "daily",
-    syncInterval = 30,
-)
-
-val client = ConfigClient(config)
-client.onChange { changed ->
-    changed.forEach { (k, v) -> println("config changed: $k = $v") }
-}
-client.start()
-val value = client.get("database.host")
-```
-
-### Rust 客户端
-
-适用于 Rust 1.70+ 项目。
-
-**1. 在 Cargo.toml 中添加**
-
-```toml
-[dependencies]
-kenaito-conf = { path = "../kenaito-conf-rust-client" }
-```
-
-**2. 使用**
-
-```rust
-use kenaito_conf::{Config, ConfigClient};
-
-let config = Config {
-    base_url: "http://localhost:8080".to_string(),
-    app_name: "kenaito-springboot-demo".to_string(),
-    env: "daily".to_string(),
-    sync_interval: 30,
-    ..Default::default()
-};
-
-let client = ConfigClient::new(config);
-client.on_change(|changed| {
-    for (k, v) in changed { println!("config changed: {} = {}", k, v); }
-});
-client.start().await.unwrap();
-let value = client.get("database.host");
-```
-
-### Ruby 客户端
-
-适用于 Ruby 2.7+ 项目。
-
-**1. 安装**
-
-```bash
-cd kenaito-conf-ruby-client
-gem build kenaito-conf.gemspec
-gem install kenaito-conf-1.0.0.gem
-```
-
-**2. 使用**
-
-```ruby
-require 'kenaito_conf'
-
-config = KenaitoConf::Config.new(
-  base_url: 'http://localhost:8080',
-  app_name: 'kenaito-springboot-demo',
-  env: 'daily',
-  sync_interval: 30
-)
-
-client = KenaitoConf::ConfigClient.new(config)
-client.on_change do |changed|
-  changed.each { |k, v| puts "config changed: #{k} = #{v}" }
-end
-client.start
-value = client.get('database.host')
-```
-
 ## API 概览
 
 ### 管理端 API（需 JWT 认证）
diff --git a/kenaito-conf-cpp-client-demo/main.cpp b/kenaito-conf-cpp-client-demo/main.cpp
deleted file mode 100644
index bcd6005..0000000
--- a/kenaito-conf-cpp-client-demo/main.cpp
+++ /dev/null
@@ -1,8 +0,0 @@
-#include <iostream>
-
-int main() {
-    std::cout << "Kenaito Config Center C++ Client Demo" << std::endl;
-    std::cout << "AppName: kenaito-springboot-demo, Env: daily" << std::endl;
-    std::cout << "See ../kenaito-conf-cpp-client/main.cpp for full implementation" << std::endl;
-    return 0;
-}
diff --git a/kenaito-conf-cpp-client/README.md b/kenaito-conf-cpp-client/README.md
deleted file mode 100644
index cea9383..0000000
--- a/kenaito-conf-cpp-client/README.md
+++ /dev/null
@@ -1,48 +0,0 @@
-# Kenaito Config Center C++ Client
-
-C++ 语言的配置中心客户端 SDK，使用 libcurl。
-
-## 依赖
-
-- libcurl
-- C++17
-
-### macOS
-
-```bash
-brew install curl
-```
-
-### Ubuntu/Debian
-
-```bash
-apt-get install libcurl4-openssl-dev
-```
-
-## 编译
-
-```bash
-cd kenaito-conf-cpp-client-demo
-g++ -std=c++17 -o demo ../kenaito-conf-cpp-client/main.cpp -lcurl -lpthread
-./demo
-```
-
-## 功能
-
-- HTTP POST 拉取配置
-- 定时同步
-- 变更回调
-- 线程安全
-
-## 配置参数
-
-| 参数 | 说明 | 默认值 |
-|------|------|--------|
-| `baseUrl` | 配置中心地址 | 必填 |
-| `appName` | 应用名称 | 必填 |
-| `env` | 环境 | `dev` |
-| `version` | 配置版本 | `latest` |
-| `token` | 认证令牌 | 空 |
-| `syncInterval` | 同步间隔（秒） | `60` |
-| `ignoreGlobal` | 是否忽略全局配置 | `false` |
-| `cacheDir` | 本地缓存目录 | `.` |
diff --git a/kenaito-conf-cpp-client/main.cpp b/kenaito-conf-cpp-client/main.cpp
deleted file mode 100644
index 1d1cccd..0000000
--- a/kenaito-conf-cpp-client/main.cpp
+++ /dev/null
@@ -1,106 +0,0 @@
-#include <iostream>
-#include <string>
-#include <map>
-#include <vector>
-#include <functional>
-#include <thread>
-#include <mutex>
-#include <atomic>
-#include <chrono>
-#include <fstream>
-#include <sstream>
-#include <cstring>
-#include <curl/curl.h>
-
-namespace kenaito_conf {
-
-struct Config {
-    std::string baseUrl;
-    std::string appName;
-    std::string env = "dev";
-    std::string version = "latest";
-    std::string token;
-    int syncInterval = 60;
-    bool ignoreGlobal = false;
-    std::string cacheDir = ".";
-};
-
-class ConfigClient {
-public:
-    ConfigClient(const Config &config) : config_(config) {}
-
-    void onChange(std::function<void(const std::map<std::string, std::string> &)> handler) {
-        handlers_.push_back(handler);
-    }
-
-    std::string get(const std::string &key) {
-        std::lock_guard<std::mutex> lock(mutex_);
-        auto it = configs_.find(key);
-        return it != configs_.end() ? it->second : "";
-    }
-
-    std::map<std::string, std::string> getAll() {
-        std::lock_guard<std::mutex> lock(mutex_);
-        return configs_;
-    }
-
-    void start() {
-        if (started_) return;
-        started_ = true;
-        fetchAll();
-        running_ = true;
-        syncThread_ = std::thread([this]() {
-            while (running_) {
-                std::this_thread::sleep_for(std::chrono::seconds(config_.syncInterval));
-                if (!running_) break;
-                try { fetchChanged(); } catch (...) {}
-            }
-        });
-    }
-
-    void stop() {
-        running_ = false;
-        if (syncThread_.joinable()) syncThread_.join();
-    }
-
-private:
-    Config config_;
-    std::map<std::string, std::string> configs_;
-    long lastTime_ = 0;
-    bool started_ = false;
-    std::atomic<bool> running_{false};
-    std::mutex mutex_;
-    std::thread syncThread_;
-    std::vector<std::function<void(const std::map<std::string, std::string> &)>> handlers_;
-
-    void fetchAll() { /* HTTP POST to /api/fetchAllConfigs */ }
-    void fetchChanged() { /* HTTP POST to /api/fetchChangedConfigs */ }
-};
-
-} // namespace kenaito_conf
-
-int main() {
-    std::cout << "Kenaito Config Center C++ Client Demo" << std::endl;
-
-    kenaito_conf::Config config;
-    config.baseUrl = "http://localhost:8080";
-    config.appName = "kenaito-springboot-demo";
-    config.env = "daily";
-    config.version = "latest";
-    config.syncInterval = 30;
-
-    kenaito_conf::ConfigClient client(config);
-
-    client.onChange([](const std::map<std::string, std::string> &changed) {
-        for (auto &[k, v] : changed)
-            std::cout << "config changed: " << k << " = " << v << std::endl;
-    });
-
-    client.start();
-    std::cout << "database.host = " << client.get("database.host") << std::endl;
-    std::cout << "Listening for changes... (press Ctrl+C to stop)" << std::endl;
-
-    std::cin.get();
-    client.stop();
-    return 0;
-}
diff --git a/kenaito-conf-dotnet-client-demo/KenaitoConfDemo.csproj b/kenaito-conf-dotnet-client-demo/KenaitoConfDemo.csproj
deleted file mode 100644
index 9ad37e4..0000000
--- a/kenaito-conf-dotnet-client-demo/KenaitoConfDemo.csproj
+++ /dev/null
@@ -1,9 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-  <PropertyGroup>
-    <OutputType>Exe</OutputType>
-    <TargetFramework>net6.0</TargetFramework>
-  </PropertyGroup>
-  <ItemGroup>
-    <ProjectReference Include="..\kenaito-conf-dotnet-client\KenaitoConf.csproj" />
-  </ItemGroup>
-</Project>
diff --git a/kenaito-conf-dotnet-client-demo/Program.cs b/kenaito-conf-dotnet-client-demo/Program.cs
deleted file mode 100644
index 828008e..0000000
--- a/kenaito-conf-dotnet-client-demo/Program.cs
+++ /dev/null
@@ -1,65 +0,0 @@
-using System;
-using System.Collections.Generic;
-using KenaitoConf;
-
-var configValues = new Dictionary<string, string>
-{
-    { "database.host", Environment.GetEnvironmentVariable("DATABASE_HOST") ?? "192.168.1.1" },
-    { "database.port", Environment.GetEnvironmentVariable("DATABASE_PORT") ?? "8888" },
-    { "database.name", Environment.GetEnvironmentVariable("DATABASE_NAME") ?? "xxxx" },
-    { "database.user", Environment.GetEnvironmentVariable("DATABASE_USER") ?? "xxxx" },
-    { "database.password", Environment.GetEnvironmentVariable("DATABASE_PASSWORD") ?? "xxxxxxxx" },
-};
-
-var config = new Config
-{
-    BaseUrl = Environment.GetEnvironmentVariable("KENAITO_BASE_URL") ?? "http://localhost:8080",
-    AppName = Environment.GetEnvironmentVariable("KENAITO_APP_NAME") ?? "kenaito-springboot-demo",
-    Env = Environment.GetEnvironmentVariable("KENAITO_PROFILE") ?? "daily",
-    Version = Environment.GetEnvironmentVariable("KENAITO_VERSION") ?? "latest",
-    Token = Environment.GetEnvironmentVariable("KENAITO_TOKEN") ?? "",
-    SyncInterval = int.Parse(Environment.GetEnvironmentVariable("KENAITO_SYNC_INTERVAL") ?? "10"),
-    CacheDir = Environment.GetEnvironmentVariable("KENAITO_CACHE_DIR") ?? ".",
-};
-
-var client = new ConfigClient(config);
-
-client.OnChange(changed =>
-{
-    foreach (var kv in changed)
-    {
-        if (configValues.ContainsKey(kv.Key))
-        {
-            configValues[kv.Key] = kv.Value;
-            Console.Error.WriteLine($"config updated: {kv.Key} = {kv.Value}");
-        }
-    }
-});
-
-try
-{
-    await client.StartAsync();
-    var remote = client.GetAll();
-    foreach (var key in new List<string>(configValues.Keys))
-    {
-        if (remote.ContainsKey(key))
-            configValues[key] = remote[key];
-    }
-    Console.Error.WriteLine($"loaded {remote.Count} configs from remote");
-}
-catch (Exception e)
-{
-    Console.Error.WriteLine($"failed to init config client: {e.Message}");
-}
-
-Console.WriteLine("Current configs:");
-foreach (var kv in configValues)
-    Console.WriteLine($"  {kv.Key} = {kv.Value}");
-
-Console.WriteLine("\nListening for config changes... (press Ctrl+C to stop)");
-var cts = new System.Threading.CancellationTokenSource();
-Console.CancelKeyPress += (_, e) => { e.Cancel = true; cts.Cancel(); };
-try { await System.Threading.Tasks.Task.Delay(System.Threading.Timeout.Infinite, cts.Token); }
-catch (System.Threading.Tasks.TaskCanceledException) { }
-client.Stop();
-Console.WriteLine("Shutting down...");
diff --git a/kenaito-conf-dotnet-client/KenaitoConf.cs b/kenaito-conf-dotnet-client/KenaitoConf.cs
deleted file mode 100644
index 971528d..0000000
--- a/kenaito-conf-dotnet-client/KenaitoConf.cs
+++ /dev/null
@@ -1,219 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Net.Http;
-using System.Text;
-using System.Text.Json;
-using System.Threading;
-using System.Threading.Tasks;
-
-namespace KenaitoConf
-{
-    public class Config
-    {
-        public string BaseUrl { get; set; } = "";
-        public string AppName { get; set; } = "";
-        public string Env { get; set; } = "dev";
-        public string Version { get; set; } = "latest";
-        public string Token { get; set; } = "";
-        public int SyncInterval { get; set; } = 60;
-        public bool IgnoreGlobal { get; set; } = false;
-        public string CacheDir { get; set; } = ".";
-    }
-
-    public class Cache
-    {
-        private readonly string _cacheDir;
-        private const string CacheFile = "config-cache.json";
-
-        public Cache(string cacheDir = ".")
-        {
-            _cacheDir = cacheDir;
-        }
-
-        public void Write(Dictionary<string, object> data)
-        {
-            string path = Path.Combine(_cacheDir, CacheFile);
-            File.WriteAllText(path, JsonSerializer.Serialize(data, new JsonSerializerOptions { WriteIndented = true }));
-        }
-
-        public Dictionary<string, object> Read()
-        {
-            string path = Path.Combine(_cacheDir, CacheFile);
-            if (!File.Exists(path)) return null;
-            string content = File.ReadAllText(path);
-            return JsonSerializer.Deserialize<Dictionary<string, object>>(content);
-        }
-    }
-
-    public class ConfigClient
-    {
-        private readonly Config _config;
-        private readonly Cache _cache;
-        private readonly HttpClient _http = new();
-        private readonly Dictionary<string, string> _configs = new();
-        private long _lastTime = 0;
-        private bool _started = false;
-        private CancellationTokenSource _cts;
-        private readonly List<Action<Dictionary<string, string>>> _handlers = new();
-
-        public ConfigClient(Config config)
-        {
-            _config = config;
-            _cache = new Cache(config.CacheDir);
-            _http.Timeout = TimeSpan.FromSeconds(10);
-        }
-
-        public void OnChange(Action<Dictionary<string, string>> handler)
-        {
-            _handlers.Add(handler);
-        }
-
-        public string Get(string key)
-        {
-            return _configs.TryGetValue(key, out var value) ? value : null;
-        }
-
-        public Dictionary<string, string> GetAll()
-        {
-            return new Dictionary<string, string>(_configs);
-        }
-
-        public async Task StartAsync()
-        {
-            if (_started) return;
-            _started = true;
-
-            try
-            {
-                await FetchAllAsync();
-            }
-            catch (Exception e)
-            {
-                Console.Error.WriteLine($"[ConfigClient] fetch all configs error: {e.Message}, trying cache");
-                var cached = _cache.Read();
-                if (cached != null)
-                {
-                    ApplyConfigs(cached);
-                    Console.Error.WriteLine($"[ConfigClient] loaded {_configs.Count} configs from cache");
-                }
-                else
-                {
-                    throw new Exception($"fetch configs failed and no cache: {e.Message}");
-                }
-            }
-
-            _cts = new CancellationTokenSource();
-            _ = SyncLoopAsync(_cts.Token);
-        }
-
-        public void Stop()
-        {
-            _cts?.Cancel();
-        }
-
-        private async Task SyncLoopAsync(CancellationToken ct)
-        {
-            while (!ct.IsCancellationRequested)
-            {
-                await Task.Delay(_config.SyncInterval * 1000, ct);
-                try
-                {
-                    await FetchChangedAsync();
-                }
-                catch (Exception e)
-                {
-                    Console.Error.WriteLine($"[ConfigClient] sync error: {e.Message}");
-                }
-            }
-        }
-
-        private async Task FetchAllAsync()
-        {
-            string url = $"{_config.BaseUrl}/api/fetchAllConfigs";
-            var payload = new
-            {
-                appName = _config.AppName,
-                env = _config.Env,
-                version = _config.Version,
-                ignoreGlobal = _config.IgnoreGlobal,
-                token = _config.Token
-            };
-            var content = new StringContent(JsonSerializer.Serialize(payload), Encoding.UTF8, "application/json");
-            var resp = await _http.PostAsync(url, content);
-            resp.EnsureSuccessStatusCode();
-            string body = await resp.Content.ReadAsStringAsync();
-            var data = JsonSerializer.Deserialize<Dictionary<string, object>>(body);
-
-            if (data.ContainsKey("code"))
-            {
-                var code = Convert.ToInt32(data["code"]);
-                if (code != 0)
-                    throw new Exception($"server error: {(data.ContainsKey("msg") ? data["msg"] : "unknown")}");
-            }
-
-            if (data.TryGetValue("latest.fetch.timestamp", out var ts))
-                _lastTime = Convert.ToInt64(ts);
-
-            _cache.Write(data);
-            ApplyConfigs(data);
-            Console.Error.WriteLine($"[ConfigClient] fetched {_configs.Count} configs");
-        }
-
-        private async Task FetchChangedAsync()
-        {
-            string url = $"{_config.BaseUrl}/api/fetchChangedConfigs";
-            var payload = new
-            {
-                appName = _config.AppName,
-                env = _config.Env,
-                version = _config.Version,
-                lastTime = _lastTime,
-                ignoreGlobal = _config.IgnoreGlobal,
-                token = _config.Token
-            };
-            var content = new StringContent(JsonSerializer.Serialize(payload), Encoding.UTF8, "application/json");
-            var resp = await _http.PostAsync(url, content);
-            resp.EnsureSuccessStatusCode();
-            string body = await resp.Content.ReadAsStringAsync();
-            var result = JsonSerializer.Deserialize<Dictionary<string, object>>(body);
-
-            if (!result.ContainsKey("code") || Convert.ToInt32(result["code"]) != 0)
-                throw new Exception("server error");
-
-            var changedData = JsonSerializer.Deserialize<Dictionary<string, object>>(result["data"].ToString());
-            if (changedData.TryGetValue("latest.fetch.timestamp", out var ts))
-            {
-                _lastTime = Convert.ToInt64(ts);
-                changedData.Remove("latest.fetch.timestamp");
-            }
-
-            var changed = new Dictionary<string, string>();
-            foreach (var kv in changedData)
-            {
-                changed[kv.Key] = kv.Value?.ToString() ?? "";
-            }
-
-            foreach (var kv in changed)
-                _configs[kv.Key] = kv.Value;
-
-            foreach (var handler in _handlers)
-            {
-                try { handler(changed); }
-                catch (Exception e) { Console.Error.WriteLine($"[ConfigClient] handler error: {e.Message}"); }
-            }
-        }
-
-        private void ApplyConfigs(Dictionary<string, object> data)
-        {
-            foreach (var kv in data)
-            {
-                if (kv.Key.StartsWith("kenaito.") || kv.Key == "latest.fetch.timestamp")
-                    continue;
-                if (kv.Value is JsonElement)
-                    continue;
-                _configs[kv.Key] = kv.Value?.ToString() ?? "";
-            }
-        }
-    }
-}
diff --git a/kenaito-conf-dotnet-client/KenaitoConf.csproj b/kenaito-conf-dotnet-client/KenaitoConf.csproj
deleted file mode 100644
index 997bbec..0000000
--- a/kenaito-conf-dotnet-client/KenaitoConf.csproj
+++ /dev/null
@@ -1,7 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-  <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
-    <RootNamespace>KenaitoConf</RootNamespace>
-    <AssemblyName>KenaitoConf</AssemblyName>
-  </PropertyGroup>
-</Project>
diff --git a/kenaito-conf-dotnet-client/README.md b/kenaito-conf-dotnet-client/README.md
deleted file mode 100644
index 44c9ab0..0000000
--- a/kenaito-conf-dotnet-client/README.md
+++ /dev/null
@@ -1,76 +0,0 @@
-# Kenaito Config Center .NET Client
-
-.NET 语言的配置中心客户端 SDK，支持 .NET 6.0+。
-
-## 依赖
-
-- .NET 6.0+
-- System.Text.Json（内置）
-
-## 安装
-
-### 项目引用
-
-在 `.csproj` 中添加：
-
-```xml
-<ItemGroup>
-  <ProjectReference Include="..\kenaito-conf-dotnet-client\KenaitoConf.csproj" />
-</ItemGroup>
-```
-
-### NuGet 包（待发布）
-
-```bash
-dotnet add package KenaitoConf
-```
-
-## 使用
-
-```csharp
-using KenaitoConf;
-
-var config = new Config
-{
-    BaseUrl = "http://localhost:8080",
-    AppName = "kenaito-springboot-demo",
-    Env = "daily",
-    Version = "latest",
-    SyncInterval = 30,
-};
-
-var client = new ConfigClient(config);
-
-client.OnChange(changed =>
-{
-    foreach (var kv in changed)
-        Console.WriteLine($"config changed: {kv.Key} = {kv.Value}");
-});
-
-await client.StartAsync();
-
-var value = client.Get("database.host");
-var all = client.GetAll();
-
-client.Stop();
-```
-
-## 配置参数
-
-| 参数 | 说明 | 默认值 |
-|------|------|--------|
-| `BaseUrl` | 配置中心地址 | 必填 |
-| `AppName` | 应用名称 | 必填 |
-| `Env` | 环境 | `dev` |
-| `Version` | 配置版本 | `latest` |
-| `Token` | 认证令牌 | 空 |
-| `SyncInterval` | 同步间隔（秒） | `60` |
-| `IgnoreGlobal` | 是否忽略全局配置 | `false` |
-| `CacheDir` | 本地缓存目录 | `.` |
-
-## Demo
-
-```bash
-cd kenaito-conf-dotnet-client-demo
-dotnet run
-```
diff --git a/kenaito-conf-kotlin-client-demo/build.gradle.kts b/kenaito-conf-kotlin-client-demo/build.gradle.kts
deleted file mode 100644
index 1fa000d..0000000
--- a/kenaito-conf-kotlin-client-demo/build.gradle.kts
+++ /dev/null
@@ -1,14 +0,0 @@
-plugins {
-    kotlin("jvm") version "1.9.0"
-    application
-}
-
-repositories { mavenCentral() }
-
-dependencies {
-    implementation(files("../kenaito-conf-kotlin-client/build/libs/kenaito-conf-kotlin-client-1.0.0.jar"))
-    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.7.3")
-    implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.6.0")
-}
-
-application { mainClass.set("demo.AppKt") }
diff --git a/kenaito-conf-kotlin-client-demo/settings.gradle.kts b/kenaito-conf-kotlin-client-demo/settings.gradle.kts
deleted file mode 100644
index b3199d5..0000000
--- a/kenaito-conf-kotlin-client-demo/settings.gradle.kts
+++ /dev/null
@@ -1 +0,0 @@
-rootProject.name = "kenaito-conf-kotlin-client-demo"
diff --git a/kenaito-conf-kotlin-client-demo/src/main/kotlin/demo/App.kt b/kenaito-conf-kotlin-client-demo/src/main/kotlin/demo/App.kt
deleted file mode 100644
index fb6f25b..0000000
--- a/kenaito-conf-kotlin-client-demo/src/main/kotlin/demo/App.kt
+++ /dev/null
@@ -1,49 +0,0 @@
-import kenait.conf.Config
-import kenait.conf.ConfigClient
-
-fun main() {
-    val configValues = mutableMapOf(
-        "database.host" to (System.getenv("DATABASE_HOST") ?: "192.168.1.1"),
-        "database.port" to (System.getenv("DATABASE_PORT") ?: "8888"),
-        "database.name" to (System.getenv("DATABASE_NAME") ?: "xxxx"),
-        "database.user" to (System.getenv("DATABASE_USER") ?: "xxxx"),
-        "database.password" to (System.getenv("DATABASE_PASSWORD") ?: "xxxxxxxx"),
-    )
-
-    val config = Config(
-        baseUrl = System.getenv("KENAITO_BASE_URL") ?: "http://localhost:8080",
-        appName = System.getenv("KENAITO_APP_NAME") ?: "kenaito-springboot-demo",
-        env = System.getenv("KENAITO_PROFILE") ?: "daily",
-        version = System.getenv("KENAITO_VERSION") ?: "latest",
-        token = System.getenv("KENAITO_TOKEN") ?: "",
-        syncInterval = (System.getenv("KENAITO_SYNC_INTERVAL") ?: "10").toInt(),
-        cacheDir = System.getenv("KENAITO_CACHE_DIR") ?: ".",
-    )
-
-    val client = ConfigClient(config)
-
-    client.onChange { changed ->
-        changed.forEach { (k, v) ->
-            if (configValues.containsKey(k)) {
-                configValues[k] = v
-                System.err.println("config updated: $k = $v")
-            }
-        }
-    }
-
-    try {
-        client.start()
-        val remote = client.getAll()
-        configValues.keys.forEach { k ->
-            remote[k]?.let { configValues[k] = it }
-        }
-        System.err.println("loaded ${remote.size} configs from remote")
-    } catch (e: Exception) {
-        System.err.println("failed to init config client: ${e.message}")
-    }
-
-    println("Current configs:")
-    configValues.forEach { (k, v) -> println("  $k = $v") }
-    println("\nListening for config changes... (press Ctrl+C to stop)")
-    Thread.currentThread().join()
-}
diff --git a/kenaito-conf-kotlin-client/README.md b/kenaito-conf-kotlin-client/README.md
deleted file mode 100644
index 8c26093..0000000
--- a/kenaito-conf-kotlin-client/README.md
+++ /dev/null
@@ -1,66 +0,0 @@
-# Kenaito Config Center Kotlin Client
-
-Kotlin 语言的配置中心客户端 SDK。
-
-## 依赖
-
-- Kotlin 1.9+
-- kotlinx-coroutines
-- kotlinx-serialization
-
-## 编译
-
-```bash
-cd kenaito-conf-kotlin-client
-./gradlew build
-```
-
-## 使用
-
-```kotlin
-import kenait.conf.Config
-import kenait.conf.ConfigClient
-
-val config = Config(
-    baseUrl = "http://localhost:8080",
-    appName = "kenaito-springboot-demo",
-    env = "daily",
-    version = "latest",
-    syncInterval = 30,
-)
-
-val client = ConfigClient(config)
-
-client.onChange { changed ->
-    changed.forEach { (k, v) ->
-        println("config changed: $k = $v")
-    }
-}
-
-client.start()
-
-val value = client.get("database.host")
-val all = client.getAll()
-
-client.stop()
-```
-
-## 配置参数
-
-| 参数 | 说明 | 默认值 |
-|------|------|--------|
-| `baseUrl` | 配置中心地址 | 必填 |
-| `appName` | 应用名称 | 必填 |
-| `env` | 环境 | `dev` |
-| `version` | 配置版本 | `latest` |
-| `token` | 认证令牌 | 空 |
-| `syncInterval` | 同步间隔（秒） | `60` |
-| `ignoreGlobal` | 是否忽略全局配置 | `false` |
-| `cacheDir` | 本地缓存目录 | `.` |
-
-## Demo
-
-```bash
-cd kenaito-conf-kotlin-client-demo
-./gradlew run
-```
diff --git a/kenaito-conf-kotlin-client/build.gradle.kts b/kenaito-conf-kotlin-client/build.gradle.kts
deleted file mode 100644
index 34be1fa..0000000
--- a/kenaito-conf-kotlin-client/build.gradle.kts
+++ /dev/null
@@ -1,14 +0,0 @@
-plugins {
-    kotlin("jvm") version "1.9.0"
-    kotlin("plugin.serialization") version "1.9.0"
-}
-
-group = "cn.odboy"
-version = "1.0.0"
-
-repositories { mavenCentral() }
-
-dependencies {
-    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.7.3")
-    implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.6.0")
-}
diff --git a/kenaito-conf-kotlin-client/settings.gradle.kts b/kenaito-conf-kotlin-client/settings.gradle.kts
deleted file mode 100644
index cd8c89d..0000000
--- a/kenaito-conf-kotlin-client/settings.gradle.kts
+++ /dev/null
@@ -1 +0,0 @@
-rootProject.name = "kenaito-conf-kotlin-client"
diff --git a/kenaito-conf-kotlin-client/src/main/kotlin/kenaito/conf/ConfigClient.kt b/kenaito-conf-kotlin-client/src/main/kotlin/kenaito/conf/ConfigClient.kt
deleted file mode 100644
index 3f354a1..0000000
--- a/kenaito-conf-kotlin-client/src/main/kotlin/kenaito/conf/ConfigClient.kt
+++ /dev/null
@@ -1,107 +0,0 @@
-package kenaito.conf
-
-import kotlinx.coroutines.*
-import kotlinx.serialization.*
-import kotlinx.serialization.json.*
-import java.io.File
-import java.net.URI
-import java.net.http.HttpClient
-import java.net.http.HttpRequest
-import java.net.http.HttpResponse
-import java.time.Duration
-import java.util.concurrent.ConcurrentHashMap
-
-@Serializable
-data class Config(
-    val baseUrl: String = "",
-    val appName: String = "",
-    val env: String = "dev",
-    val version: String = "latest",
-    val token: String = "",
-    val syncInterval: Int = 60,
-    val ignoreGlobal: Boolean = false,
-    val cacheDir: String = "."
-)
-
-class Cache(private val cacheDir: String) {
-    private val cacheFile = File(cacheDir, "config-cache.json")
-    fun write(data: String) { cacheFile.writeText(data) }
-    fun read(): String? = if (cacheFile.exists()) cacheFile.readText() else null
-}
-
-class ConfigClient(private val config: Config) {
-    private val httpClient = HttpClient.newBuilder().connectTimeout(Duration.ofSeconds(10)).build()
-    private val configs = ConcurrentHashMap<String, String>()
-    private var lastTime = 0L
-    private var started = false
-    private val handlers = mutableListOf<(Map<String, String>) -> Unit>()
-    private val json = Json { ignoreUnknownKeys = true }
-
-    fun onChange(handler: (Map<String, String>) -> Unit) { handlers.add(handler) }
-    fun get(key: String): String? = configs[key]
-    fun getAll(): Map<String, String> = HashMap(configs)
-
-    fun start() {
-        if (started) return
-        started = true
-        try { fetchAll() } catch (e: Exception) {
-            System.err.println("[ConfigClient] fetch all configs error: ${e.message}, trying cache")
-            val cached = Cache(config.cacheDir).read()
-            if (cached != null) {
-                applyConfigs(cached)
-                System.err.println("[ConfigClient] loaded ${configs.size} configs from cache")
-            } else throw RuntimeException("fetch configs failed and no cache: ${e.message}")
-        }
-        CoroutineScope(Dispatchers.IO).launch {
-            while (true) {
-                delay(config.syncInterval * 1000L)
-                try { fetchChanged() } catch (e: Exception) {
-                    System.err.println("[ConfigClient] sync error: ${e.message}")
-                }
-            }
-        }
-    }
-
-    fun stop() { started = false }
-
-    private fun fetchAll() {
-        val url = "${config.baseUrl}/api/fetchAllConfigs"
-        val body = """{"appName":"${config.appName}","env":"${config.env}","version":"${config.version}","ignoreGlobal":${config.ignoreGlobal},"token":"${config.token}"}"""
-        val req = HttpRequest.newBuilder().uri(URI.create(url)).POST(HttpRequest.BodyPublishers.ofString(body))
-            .header("Content-Type", "application/json").timeout(Duration.ofSeconds(10)).build()
-        val resp = httpClient.send(req, HttpResponse.BodyHandlers.ofString())
-        if (resp.statusCode() != 200) throw RuntimeException("HTTP ${resp.statusCode()}")
-        val data = json.parseToJsonElement(resp.body()).jsonObject
-        if (data.containsKey("code") && data["code"]!!.jsonPrimitive.int != 0)
-            throw RuntimeException("server error: ${data["code"]}")
-        data["latest.fetch.timestamp"]?.let { lastTime = it.jsonPrimitive.content.toLong() }
-        Cache(config.cacheDir).write(resp.body())
-        applyConfigs(resp.body())
-        System.err.println("[ConfigClient] fetched ${configs.size} configs")
-    }
-
-    private fun fetchChanged() {
-        val url = "${config.baseUrl}/api/fetchChangedConfigs"
-        val body = """{"appName":"${config.appName}","env":"${config.env}","version":"${config.version}","lastTime":$lastTime,"ignoreGlobal":${config.ignoreGlobal},"token":"${config.token}"}"""
-        val req = HttpRequest.newBuilder().uri(URI.create(url)).POST(HttpRequest.BodyPublishers.ofString(body))
-            .header("Content-Type", "application/json").timeout(Duration.ofSeconds(10)).build()
-        val resp = httpClient.send(req, HttpResponse.BodyHandlers.ofString())
-        val result = json.parseToJsonElement(resp.body()).jsonObject
-        if (!result.containsKey("code") || result["code"]!!.jsonPrimitive.int != 0)
-            throw RuntimeException("server error")
-        val changedData = result["data"]!!.jsonObject.toMutableMap()
-        changedData.remove("latest.fetch.timestamp")?.let { lastTime = it.jsonPrimitive.content.toLong() }
-        val changed = mutableMapOf<String, String>()
-        changedData.forEach { (k, v) -> changed[k] = v.jsonPrimitive.content }
-        configs.putAll(changed)
-        handlers.forEach { try { it(changed) } catch (e: Exception) { System.err.println("[ConfigClient] handler error: ${e.message}") } }
-    }
-
-    private fun applyConfigs(jsonStr: String) {
-        val data = json.parseToJsonElement(jsonStr).jsonObject
-        data.forEach { (k, v) ->
-            if (!k.startsWith("kenaito.") && k != "latest.fetch.timestamp")
-                configs[k] = v.jsonPrimitive.content
-        }
-    }
-}
diff --git a/kenaito-conf-lua-client-demo/app.lua b/kenaito-conf-lua-client-demo/app.lua
deleted file mode 100644
index 9e1ec12..0000000
--- a/kenaito-conf-lua-client-demo/app.lua
+++ /dev/null
@@ -1,49 +0,0 @@
-local ConfigClient = require("kenaito-conf")
-
-local config_values = {
-    ["database.host"] = os.getenv("DATABASE_HOST") or "192.168.1.1",
-    ["database.port"] = os.getenv("DATABASE_PORT") or "8888",
-    ["database.name"] = os.getenv("DATABASE_NAME") or "xxxx",
-    ["database.user"] = os.getenv("DATABASE_USER") or "xxxx",
-    ["database.password"] = os.getenv("DATABASE_PASSWORD") or "xxxxxxxx",
-}
-
-local config = {
-    baseUrl = os.getenv("KENAITO_BASE_URL") or "http://localhost:8080",
-    appName = os.getenv("KENAITO_APP_NAME") or "kenaito-springboot-demo",
-    env = os.getenv("KENAITO_PROFILE") or "daily",
-    version = os.getenv("KENAITO_VERSION") or "latest",
-    token = os.getenv("KENAITO_TOKEN") or "",
-    syncInterval = tonumber(os.getenv("KENAITO_SYNC_INTERVAL") or "10"),
-    cacheDir = os.getenv("KENAITO_CACHE_DIR") or ".",
-}
-
-local client = ConfigClient.new(config)
-
-client:on_change(function(changed)
-    for k, v in pairs(changed) do
-        if config_values[k] then
-            config_values[k] = v
-            print("config updated: " .. k .. " = " .. v)
-        end
-    end
-end)
-
-client:start()
-
-local remote = client:get_all()
-for k, v in pairs(remote) do
-    if config_values[k] then
-        config_values[k] = v
-    end
-end
-
-print("Current configs:")
-for k, v in pairs(config_values) do
-    print("  " .. k .. " = " .. v)
-end
-
-print("\nListening for config changes... (press Ctrl+C to stop)")
-while true do
-    os.execute("sleep 1")
-end
diff --git a/kenaito-conf-lua-client/README.md b/kenaito-conf-lua-client/README.md
deleted file mode 100644
index c3c552a..0000000
--- a/kenaito-conf-lua-client/README.md
+++ /dev/null
@@ -1,73 +0,0 @@
-# Kenaito Config Center Lua Client
-
-Lua 语言的配置中心客户端 SDK。
-
-## 依赖
-
-- Lua 5.3+
-- LuaSocket
-- lua-cjson
-- lua-openssl
-
-## 安装
-
-```bash
-luarocks install kenaito-conf-client-1.0.0-1.rockspec
-```
-
-或手动安装依赖：
-
-```bash
-luarocks install luasocket
-luarocks install lua-cjson
-luarocks install lua-openssl
-```
-
-## 使用
-
-```lua
-local ConfigClient = require("kenaito-conf")
-
-local config = {
-    baseUrl = "http://localhost:8080",
-    appName = "kenaito-springboot-demo",
-    env = "daily",
-    version = "latest",
-    syncInterval = 30,
-}
-
-local client = ConfigClient.new(config)
-
-client:on_change(function(changed)
-    for k, v in pairs(changed) do
-        print("config changed: " .. k .. " = " .. v)
-    end
-end)
-
-client:start()
-
-local value = client:get("database.host")
-local all = client:get_all()
-
-client:stop()
-```
-
-## 配置参数
-
-| 参数 | 说明 | 默认值 |
-|------|------|--------|
-| `baseUrl` | 配置中心地址 | 必填 |
-| `appName` | 应用名称 | 必填 |
-| `env` | 环境 | `dev` |
-| `version` | 配置版本 | `latest` |
-| `token` | 认证令牌 | 空 |
-| `syncInterval` | 同步间隔（秒） | `60` |
-| `ignoreGlobal` | 是否忽略全局配置 | `false` |
-| `cacheDir` | 本地缓存目录 | `.` |
-
-## Demo
-
-```bash
-cd kenaito-conf-lua-client-demo
-lua app.lua
-```
diff --git a/kenaito-conf-lua-client/client.lua b/kenaito-conf-lua-client/client.lua
deleted file mode 100644
index 9488b2e..0000000
--- a/kenaito-conf-lua-client/client.lua
+++ /dev/null
@@ -1,84 +0,0 @@
-local http = require("socket.http")
-local ltn12 = require("ltn12")
-local cjson = require("cjson")
-
-local ConfigClient = {}
-ConfigClient.__index = ConfigClient
-
-function ConfigClient.new(config)
-    local self = setmetatable({}, ConfigClient)
-    self.config = config or {}
-    self.config.baseUrl = self.config.baseUrl or ""
-    self.config.appName = self.config.appName or ""
-    self.config.env = self.config.env or "dev"
-    self.config.version = self.config.version or "latest"
-    self.config.token = self.config.token or ""
-    self.config.syncInterval = self.config.syncInterval or 60
-    self.config.ignoreGlobal = self.config.ignoreGlobal or false
-    self.config.cacheDir = self.config.cacheDir or "."
-
-    self.configs = {}
-    self.lastTime = 0
-    self.handlers = {}
-    return self
-end
-
-function ConfigClient:on_change(handler)
-    table.insert(self.handlers, handler)
-end
-
-function ConfigClient:get(key)
-    return self.configs[key]
-end
-
-function ConfigClient:get_all()
-    return self.configs
-end
-
-function ConfigClient:start()
-    -- Fetch all configs
-    local url = self.config.baseUrl .. "/api/fetchAllConfigs"
-    local payload = cjson.encode({
-        appName = self.config.appName,
-        env = self.config.env,
-        version = self.config.version,
-        ignoreGlobal = self.config.ignoreGlobal,
-        token = self.config.token
-    })
-    
-    local response_body = {}
-    local res, code, response_headers = http.request{
-        url = url,
-        method = "POST",
-        headers = {
-            ["Content-Type"] = "application/json",
-            ["Content-Length"] = #payload
-        },
-        source = ltn12.source.string(payload),
-        sink = ltn12.sink.table(response_body)
-    }
-    
-    if code == 200 then
-        local data = cjson.decode(table.concat(response_body))
-
-        if data["latest.fetch.timestamp"] then
-            self.lastTime = tonumber(data["latest.fetch.timestamp"])
-        end
-
-        for k, v in pairs(data) do
-            if not string.match(k, "^kenaito%.") and k ~= "latest.fetch.timestamp" then
-                if type(v) == "string" then
-                    self.configs[k] = v
-                end
-            end
-        end
-
-        print("[ConfigClient] fetched " .. #self.configs .. " configs")
-    end
-end
-
-function ConfigClient:stop()
-    -- Cleanup
-end
-
-return ConfigClient
diff --git a/kenaito-conf-lua-client/kenaito-conf-client-1.0.0-1.rockspec b/kenaito-conf-lua-client/kenaito-conf-client-1.0.0-1.rockspec
deleted file mode 100644
index 49909bd..0000000
--- a/kenaito-conf-lua-client/kenaito-conf-client-1.0.0-1.rockspec
+++ /dev/null
@@ -1,22 +0,0 @@
-package = "kenaito-conf-client"
-version = "1.0.0-1"
-source = {
-    url = "git+https://gitea.odboy.cn/odboy/kenaito-conf.git"
-}
-description = {
-    summary = "Kenaito Config Center Lua Client",
-    homepage = "https://gitea.odboy.cn/odboy/kenaito-conf",
-    license = "MIT"
-}
-dependencies = {
-    "lua >= 5.3",
-    "luasocket",
-    "lua-cjson",
-    "lua-openssl"
-}
-build = {
-    type = "builtin",
-    modules = {
-        ["kenaito-conf"] = "client.lua"
-    }
-}
diff --git a/kenaito-conf-php-client-demo/app.php b/kenaito-conf-php-client-demo/app.php
deleted file mode 100644
index 47178eb..0000000
--- a/kenaito-conf-php-client-demo/app.php
+++ /dev/null
@@ -1,61 +0,0 @@
-<?php
-
-require_once __DIR__ . '/../kenaito-conf-php-client/autoload.php';
-
-use KenaitoConf\Config;
-use KenaitoConf\ConfigClient;
-
-$configValues = [
-    'database.host' => getenv('DATABASE_HOST') ?: '192.168.1.1',
-    'database.port' => getenv('DATABASE_PORT') ?: '8888',
-    'database.name' => getenv('DATABASE_NAME') ?: 'xxxx',
-    'database.user' => getenv('DATABASE_USER') ?: 'xxxx',
-    'database.password' => getenv('DATABASE_PASSWORD') ?: 'xxxxxxxx',
-];
-
-$config = new Config([
-    'baseUrl' => getenv('KENAITO_BASE_URL') ?: 'http://localhost:8080',
-    'appName' => getenv('KENAITO_APP_NAME') ?: 'kenaito-springboot-demo',
-    'env' => getenv('KENAITO_PROFILE') ?: 'daily',
-    'version' => getenv('KENAITO_VERSION') ?: 'latest',
-    'token' => getenv('KENAITO_TOKEN') ?: '',
-    'syncInterval' => (int)(getenv('KENAITO_SYNC_INTERVAL') ?: 10),
-    'cacheDir' => getenv('KENAITO_CACHE_DIR') ?: '.',
-]);
-
-$client = new ConfigClient($config);
-
-$client->onChange(function ($changed) use (&$configValues) {
-    foreach ($changed as $k => $v) {
-        if (isset($configValues[$k])) {
-            $configValues[$k] = $v;
-            error_log("config updated: {$k} = {$v}");
-        }
-    }
-});
-
-try {
-    $client->start();
-    $remote = $client->getAll();
-    foreach ($configValues as $k => &$v) {
-        if (isset($remote[$k])) {
-            $v = $remote[$k];
-        }
-    }
-    error_log("loaded " . count($remote) . " configs from remote");
-} catch (Exception $e) {
-    error_log("failed to init config client: " . $e->getMessage());
-}
-
-$port = (int)(getenv('SERVER_PORT') ?: 8084);
-
-echo "Server started on port {$port}\n";
-echo "Current configs:\n";
-foreach ($configValues as $k => $v) {
-    echo "  {$k} = {$v}\n";
-}
-
-while (true) {
-    pcntl_signal_dispatch();
-    usleep(100000);
-}
diff --git a/kenaito-conf-php-client/README.md b/kenaito-conf-php-client/README.md
deleted file mode 100644
index 248aeaf..0000000
--- a/kenaito-conf-php-client/README.md
+++ /dev/null
@@ -1,91 +0,0 @@
-# Kenaito Config Center PHP Client
-
-PHP 语言的配置中心客户端 SDK。
-
-## 依赖
-
-- PHP 8.0+
-- ext-curl
-- ext-openssl
-- ext-pcntl
-
-## 安装
-
-### Composer
-
-```bash
-cd kenaito-conf-php-client
-composer install
-```
-
-或在项目中引用：
-
-```json
-{
-  "require": {
-    "kenaito/conf-client": "*"
-  },
-  "repositories": [
-    {
-      "type": "path",
-      "url": "../kenaito-conf-php-client"
-    }
-  ]
-}
-```
-
-### 手动引入
-
-```php
-require_once 'kenaito-conf-php-client/autoload.php';
-```
-
-## 使用
-
-```php
-use KenaitoConf\Config;
-use KenaitoConf\ConfigClient;
-
-$config = new Config([
-    'baseUrl' => 'http://localhost:8080',
-    'appName' => 'kenaito-springboot-demo',
-    'env' => 'daily',
-    'version' => 'latest',
-    'syncInterval' => 30,
-]);
-
-$client = new ConfigClient($config);
-
-$client->onChange(function ($changed) {
-    foreach ($changed as $k => $v) {
-        echo "config changed: $k = $v\n";
-    }
-});
-
-$client->start();
-
-$value = $client->get('database.host');
-$all = $client->getAll();
-
-$client->stop();
-```
-
-## 配置参数
-
-| 参数 | 说明 | 默认值 |
-|------|------|--------|
-| `baseUrl` | 配置中心地址 | 必填 |
-| `appName` | 应用名称 | 必填 |
-| `env` | 环境 | `dev` |
-| `version` | 配置版本 | `latest` |
-| `token` | 认证令牌 | 空 |
-| `syncInterval` | 同步间隔（秒） | `60` |
-| `ignoreGlobal` | 是否忽略全局配置 | `false` |
-| `cacheDir` | 本地缓存目录 | `.` |
-
-## Demo
-
-```bash
-cd kenaito-conf-php-client-demo
-php app.php
-```
diff --git a/kenaito-conf-php-client/autoload.php b/kenaito-conf-php-client/autoload.php
deleted file mode 100644
index c34178c..0000000
--- a/kenaito-conf-php-client/autoload.php
+++ /dev/null
@@ -1,6 +0,0 @@
-<?php
-
-require_once __DIR__ . '/src/Config.php';
-require_once __DIR__ . '/src/Crypto.php';
-require_once __DIR__ . '/src/Cache.php';
-require_once __DIR__ . '/src/ConfigClient.php';
diff --git a/kenaito-conf-php-client/composer.json b/kenaito-conf-php-client/composer.json
deleted file mode 100644
index 53b796a..0000000
--- a/kenaito-conf-php-client/composer.json
+++ /dev/null
@@ -1,16 +0,0 @@
-{
-    "name": "kenaito/conf-client",
-    "description": "Kenaito Config Center PHP Client",
-    "type": "library",
-    "require": {
-        "php": ">=8.0",
-        "ext-curl": "*",
-        "ext-openssl": "*",
-        "ext-pcntl": "*"
-    },
-    "autoload": {
-        "psr-4": {
-            "KenaitoConf\\": "src/"
-        }
-    }
-}
diff --git a/kenaito-conf-php-client/src/Cache.php b/kenaito-conf-php-client/src/Cache.php
deleted file mode 100644
index 58cc31f..0000000
--- a/kenaito-conf-php-client/src/Cache.php
+++ /dev/null
@@ -1,30 +0,0 @@
-<?php
-
-namespace KenaitoConf;
-
-class Cache
-{
-    private string $cacheDir;
-    private const CACHE_FILE = 'config-cache.json';
-
-    public function __construct(string $cacheDir = '.')
-    {
-        $this->cacheDir = $cacheDir;
-    }
-
-    public function write(array $data): void
-    {
-        $path = $this->cacheDir . DIRECTORY_SEPARATOR . self::CACHE_FILE;
-        file_put_contents($path, json_encode($data, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE));
-    }
-
-    public function read(): ?array
-    {
-        $path = $this->cacheDir . DIRECTORY_SEPARATOR . self::CACHE_FILE;
-        if (!file_exists($path)) {
-            return null;
-        }
-        $content = file_get_contents($path);
-        return json_decode($content, true);
-    }
-}
diff --git a/kenaito-conf-php-client/src/Config.php b/kenaito-conf-php-client/src/Config.php
deleted file mode 100644
index 1b4c65a..0000000
--- a/kenaito-conf-php-client/src/Config.php
+++ /dev/null
@@ -1,24 +0,0 @@
-<?php
-
-namespace KenaitoConf;
-
-class Config
-{
-    public string $baseUrl = '';
-    public string $appName = '';
-    public string $env = 'dev';
-    public string $version = 'latest';
-    public string $token = '';
-    public int $syncInterval = 60;
-    public bool $ignoreGlobal = false;
-    public string $cacheDir = '.';
-
-    public function __construct(array $options = [])
-    {
-        foreach ($options as $key => $value) {
-            if (property_exists($this, $key)) {
-                $this->$key = $value;
-            }
-        }
-    }
-}
diff --git a/kenaito-conf-php-client/src/ConfigClient.php b/kenaito-conf-php-client/src/ConfigClient.php
deleted file mode 100644
index 7f88dcb..0000000
--- a/kenaito-conf-php-client/src/ConfigClient.php
+++ /dev/null
@@ -1,179 +0,0 @@
-<?php
-
-namespace KenaitoConf;
-
-class ConfigClient
-{
-    private Config $config;
-    private Cache $cache;
-    private array $configs = [];
-    private int $lastTime = 0;
-    private bool $started = false;
-    private array $handlers = [];
-    private $timer = null;
-
-    public function __construct(Config $config)
-    {
-        $this->config = $config;
-        $this->cache = new Cache($config->cacheDir);
-    }
-
-    public function onChange(callable $handler): void
-    {
-        $this->handlers[] = $handler;
-    }
-
-    public function get(string $key): ?string
-    {
-        return $this->configs[$key] ?? null;
-    }
-
-    public function getAll(): array
-    {
-        return $this->configs;
-    }
-
-    public function start(): void
-    {
-        if ($this->started) {
-            return;
-        }
-        $this->started = true;
-
-        try {
-            $this->fetchAll();
-        } catch (\Exception $e) {
-            error_log("[ConfigClient] fetch all configs error: {$e->getMessage()}, trying cache");
-            $cached = $this->cache->read();
-            if ($cached !== null) {
-                $this->applyConfigs($cached);
-                error_log("[ConfigClient] loaded " . count($this->configs) . " configs from cache");
-            } else {
-                throw new \RuntimeException("fetch configs failed and no cache: {$e->getMessage()}");
-            }
-        }
-
-        $this->timer = pcntl_alarm(0);
-        pcntl_signal(SIGALRM, [$this, 'syncTick']);
-        pcntl_alarm($this->config->syncInterval);
-    }
-
-    public function syncTick(): void
-    {
-        try {
-            $this->fetchChanged();
-        } catch (\Exception $e) {
-            error_log("[ConfigClient] sync error: {$e->getMessage()}");
-        }
-        pcntl_alarm($this->config->syncInterval);
-    }
-
-    public function stop(): void
-    {
-        if ($this->timer !== null) {
-            pcntl_alarm(0);
-        }
-    }
-
-    private function fetchAll(): void
-    {
-        $url = $this->config->baseUrl . '/api/fetchAllConfigs';
-        $payload = [
-            'appName' => $this->config->appName,
-            'env' => $this->config->env,
-            'version' => $this->config->version,
-            'ignoreGlobal' => $this->config->ignoreGlobal,
-            'token' => $this->config->token,
-        ];
-
-        $ch = curl_init($url);
-        curl_setopt($ch, CURLOPT_POST, true);
-        curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($payload));
-        curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/json']);
-        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
-        curl_setopt($ch, CURLOPT_TIMEOUT, 10);
-        $response = curl_exec($ch);
-        $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
-        curl_close($ch);
-
-        if ($httpCode !== 200) {
-            throw new \RuntimeException("HTTP {$httpCode}");
-        }
-
-        $data = json_decode($response, true);
-        if (isset($data['code']) && $data['code'] !== 0) {
-            throw new \RuntimeException("server error: " . ($data['msg'] ?? 'unknown'));
-        }
-
-        if (isset($data['latest.fetch.timestamp'])) {
-            $this->lastTime = (int)$data['latest.fetch.timestamp'];
-        }
-
-        $this->cache->write($data);
-        $this->applyConfigs($data);
-        error_log("[ConfigClient] fetched " . count($this->configs) . " configs");
-    }
-
-    private function fetchChanged(): void
-    {
-        $url = $this->config->baseUrl . '/api/fetchChangedConfigs';
-        $payload = [
-            'appName' => $this->config->appName,
-            'env' => $this->config->env,
-            'version' => $this->config->version,
-            'lastTime' => $this->lastTime,
-            'ignoreGlobal' => $this->config->ignoreGlobal,
-            'token' => $this->config->token,
-        ];
-
-        $ch = curl_init($url);
-        curl_setopt($ch, CURLOPT_POST, true);
-        curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($payload));
-        curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/json']);
-        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
-        curl_setopt($ch, CURLOPT_TIMEOUT, 10);
-        $response = curl_exec($ch);
-        curl_close($ch);
-
-        $result = json_decode($response, true);
-        if (!isset($result['code']) || $result['code'] !== 0) {
-            throw new \RuntimeException("server error code: " . ($result['code'] ?? 'unknown'));
-        }
-
-        $changedData = $result['data'] ?? [];
-        if (isset($changedData['latest.fetch.timestamp'])) {
-            $this->lastTime = (int)$changedData['latest.fetch.timestamp'];
-            unset($changedData['latest.fetch.timestamp']);
-        }
-
-        $changed = [];
-        foreach ($changedData as $k => $v) {
-            $changed[$k] = $v;
-        }
-
-        $this->configs = array_merge($this->configs, $changed);
-
-        foreach ($this->handlers as $handler) {
-            try {
-                $handler($changed);
-            } catch (\Exception $e) {
-                error_log("[ConfigClient] change handler error: {$e->getMessage()}");
-            }
-        }
-
-        error_log("[ConfigClient] " . count($changed) . " configs changed");
-    }
-
-    private function applyConfigs(array $data): void
-    {
-        foreach ($data as $k => $v) {
-            if (str_starts_with($k, 'kenaito.') || $k === 'latest.fetch.timestamp') {
-                continue;
-            }
-            if (!is_string($v)) {
-                continue;
-            }
-            $this->configs[$k] = $v;
-        }
-    }
-}
diff --git a/kenaito-conf-ruby-client-demo/app.rb b/kenaito-conf-ruby-client-demo/app.rb
deleted file mode 100644
index fced87f..0000000
--- a/kenaito-conf-ruby-client-demo/app.rb
+++ /dev/null
@@ -1,51 +0,0 @@
-# frozen_string_literal: true
-
-require_relative '../kenaito-conf-ruby-client/lib/kenaito_conf'
-
-config_values = {
-  'database.host' => ENV['DATABASE_HOST'] || '192.168.1.1',
-  'database.port' => ENV['DATABASE_PORT'] || '8888',
-  'database.name' => ENV['DATABASE_NAME'] || 'xxxx',
-  'database.user' => ENV['DATABASE_USER'] || 'xxxx',
-  'database.password' => ENV['DATABASE_PASSWORD'] || 'xxxxxxxx'
-}
-
-config = KenaitoConf::Config.new(
-  base_url: ENV['KENAITO_BASE_URL'] || 'http://localhost:8080',
-  app_name: ENV['KENAITO_APP_NAME'] || 'kenaito-springboot-demo',
-  env: ENV['KENAITO_PROFILE'] || 'daily',
-  version: ENV['KENAITO_VERSION'] || 'latest',
-  token: ENV['KENAITO_TOKEN'] || '',
-  sync_interval: (ENV['KENAITO_SYNC_INTERVAL'] || '30').to_i,
-  cache_dir: ENV['KENAITO_CACHE_DIR'] || '.'
-)
-
-client = KenaitoConf::ConfigClient.new(config)
-
-client.on_change do |changed|
-  changed.each do |k, v|
-    if config_values.key?(k)
-      config_values[k] = v
-      warn "config updated: #{k} = #{v}"
-    end
-  end
-end
-
-begin
-  client.start
-  remote = client.get_all
-  config_values.each_key do |k|
-    config_values[k] = remote[k] if remote[k]
-  end
-  warn "loaded #{remote.size} configs from remote"
-rescue StandardError => e
-  warn "failed to init config client: #{e.message}"
-end
-
-puts 'Current configs:'
-config_values.each do |k, v|
-  puts "  #{k} = #{v}"
-end
-
-puts "\nListening for config changes... (press Ctrl+C to stop)"
-sleep
diff --git a/kenaito-conf-ruby-client/README.md b/kenaito-conf-ruby-client/README.md
deleted file mode 100644
index be69aaa..0000000
--- a/kenaito-conf-ruby-client/README.md
+++ /dev/null
@@ -1,70 +0,0 @@
-# Kenaito Config Center Ruby Client
-
-Ruby 语言的配置中心客户端 SDK。
-
-## 依赖
-
-- Ruby 2.7+
-- 标准库（net/http, json, openssl, base64）
-
-## 安装
-
-```bash
-gem build kenaito-conf.gemspec
-gem install kenaito-conf-1.0.0.gem
-```
-
-或在 Gemfile 中添加：
-
-```ruby
-gem 'kenaito-conf', path: '../kenaito-conf-ruby-client'
-```
-
-## 使用
-
-```ruby
-require 'kenaito_conf'
-
-config = KenaitoConf::Config.new(
-  base_url: 'http://localhost:8080',
-  app_name: 'kenaito-springboot-demo',
-  env: 'daily',
-  version: 'latest',
-  sync_interval: 30
-)
-
-client = KenaitoConf::ConfigClient.new(config)
-
-client.on_change do |changed|
-  changed.each do |k, v|
-    puts "config changed: #{k} = #{v}"
-  end
-end
-
-client.start
-
-value = client.get('database.host')
-all = client.get_all
-
-client.stop
-```
-
-## 配置参数
-
-| 参数 | 说明 | 默认值 |
-|------|------|--------|
-| `base_url` | 配置中心地址 | 必填 |
-| `app_name` | 应用名称 | 必填 |
-| `env` | 环境 | `dev` |
-| `version` | 配置版本 | `latest` |
-| `token` | 认证令牌 | 空 |
-| `sync_interval` | 同步间隔（秒） | `60` |
-| `ignore_global` | 是否忽略全局配置 | `false` |
-| `cache_dir` | 本地缓存目录 | `.` |
-
-## Demo
-
-```bash
-cd kenaito-conf-ruby-client-demo
-ruby app.rb
-```
diff --git a/kenaito-conf-ruby-client/kenaito-conf.gemspec b/kenaito-conf-ruby-client/kenaito-conf.gemspec
deleted file mode 100644
index 3ffcede..0000000
--- a/kenaito-conf-ruby-client/kenaito-conf.gemspec
+++ /dev/null
@@ -1,18 +0,0 @@
-# frozen_string_literal: true
-
-Gem::Specification.new do |spec|
-  spec.name          = 'kenaito-conf'
-  spec.version       = '1.0.0'
-  spec.authors       = ['odboy']
-  spec.email         = ['tianjun@odboy.cn']
-
-  spec.summary       = 'Kenaito Config Center Ruby Client'
-  spec.description   = 'Ruby client for Kenaito Config Center'
-  spec.homepage      = 'https://gitea.odboy.cn/odboy/kenaito-conf'
-  spec.license       = 'MIT'
-
-  spec.required_ruby_version = '>= 2.7.0'
-
-  spec.files         = Dir['lib/**/*']
-  spec.require_paths = ['lib']
-end
diff --git a/kenaito-conf-ruby-client/lib/kenaito_conf.rb b/kenaito-conf-ruby-client/lib/kenaito_conf.rb
deleted file mode 100644
index 7cdde37..0000000
--- a/kenaito-conf-ruby-client/lib/kenaito_conf.rb
+++ /dev/null
@@ -1,165 +0,0 @@
-# frozen_string_literal: true
-
-require 'net/http'
-require 'json'
-
-module KenaitoConf
-  class Config
-    attr_accessor :base_url, :app_name, :env, :version, :token, :sync_interval, :ignore_global, :cache_dir
-
-    def initialize(options = {})
-      @base_url = options[:base_url] || ''
-      @app_name = options[:app_name] || ''
-      @env = options[:env] || 'dev'
-      @version = options[:version] || 'latest'
-      @token = options[:token] || ''
-      @sync_interval = options[:sync_interval] || 60
-      @ignore_global = options[:ignore_global] || false
-      @cache_dir = options[:cache_dir] || '.'
-    end
-  end
-
-  class Cache
-    CACHE_FILE = 'config-cache.json'
-
-    def initialize(cache_dir = '.')
-      @cache_dir = cache_dir
-    end
-
-    def write(data)
-      File.write(File.join(@cache_dir, CACHE_FILE), JSON.pretty_generate(data))
-    end
-
-    def read
-      path = File.join(@cache_dir, CACHE_FILE)
-      return nil unless File.exist?(path)
-      JSON.parse(File.read(path))
-    rescue StandardError
-      nil
-    end
-  end
-
-  class ConfigClient
-    def initialize(config)
-      @config = config
-      @cache = Cache.new(config.cache_dir)
-      @configs = {}
-      @last_time = 0
-      @handlers = []
-      @started = false
-    end
-
-    def on_change(&handler)
-      @handlers << handler
-    end
-
-    def get(key)
-      @configs[key]
-    end
-
-    def get_all
-      @configs.dup
-    end
-
-    def start
-      return if @started
-      @started = true
-
-      begin
-        fetch_all
-      rescue StandardError => e
-        warn "[ConfigClient] fetch all configs error: #{e.message}, trying cache"
-        cached = @cache.read
-        if cached
-          apply_configs(cached)
-          warn "[ConfigClient] loaded #{@configs.size} configs from cache"
-        else
-          raise "fetch configs failed and no cache: #{e.message}"
-        end
-      end
-
-      Thread.new do
-        loop do
-          sleep @config.sync_interval
-          begin
-            fetch_changed
-          rescue StandardError => e
-            warn "[ConfigClient] sync error: #{e.message}"
-          end
-        end
-      end
-    end
-
-    def stop
-      @started = false
-    end
-
-    private
-
-    def fetch_all
-      uri = URI("#{@config.base_url}/api/fetchAllConfigs")
-      http = Net::HTTP.new(uri.host, uri.port)
-      http.read_timeout = 10
-
-      request = Net::HTTP::Post.new(uri.path, 'Content-Type' => 'application/json')
-      request.body = JSON.generate({
-        appName: @config.app_name,
-        env: @config.env,
-        version: @config.version,
-        ignoreGlobal: @config.ignore_global,
-        token: @config.token
-      })
-
-      response = http.request(request)
-      raise "HTTP #{response.code}" unless response.code == '200'
-
-      data = JSON.parse(response.body)
-      raise "server error: #{data['msg']}" if data['code'] && data['code'] != 0
-
-      @last_time = data['latest.fetch.timestamp'].to_i if data['latest.fetch.timestamp']
-
-      @cache.write(data)
-      apply_configs(data)
-      warn "[ConfigClient] fetched #{@configs.size} configs"
-    end
-
-    def fetch_changed
-      uri = URI("#{@config.base_url}/api/fetchChangedConfigs")
-      http = Net::HTTP.new(uri.host, uri.port)
-      http.read_timeout = 10
-
-      request = Net::HTTP::Post.new(uri.path, 'Content-Type' => 'application/json')
-      request.body = JSON.generate({
-        appName: @config.app_name,
-        env: @config.env,
-        version: @config.version,
-        lastTime: @last_time,
-        ignoreGlobal: @config.ignore_global,
-        token: @config.token
-      })
-
-      response = http.request(request)
-      result = JSON.parse(response.body)
-      raise "server error" if !result['code'] || result['code'] != 0
-
-      changed_data = result['data'] || {}
-      @last_time = changed_data.delete('latest.fetch.timestamp').to_i if changed_data['latest.fetch.timestamp']
-
-      changed = {}
-      changed_data.each do |k, v|
-        changed[k] = v
-      end
-
-      @configs.merge!(changed)
-      @handlers.each { |h| h.call(changed) rescue warn "[ConfigClient] handler error: #{$!.message}" }
-    end
-
-    def apply_configs(data)
-      data.each do |k, v|
-        next if k.start_with?('kenaito.') || k == 'latest.fetch.timestamp'
-        next unless v.is_a?(String)
-        @configs[k] = v
-      end
-    end
-  end
-end
diff --git a/kenaito-conf-rust-client-demo/Cargo.toml b/kenaito-conf-rust-client-demo/Cargo.toml
deleted file mode 100644
index a74599f..0000000
--- a/kenaito-conf-rust-client-demo/Cargo.toml
+++ /dev/null
@@ -1,8 +0,0 @@
-[package]
-name = "kenaito-conf-demo"
-version = "1.0.0"
-edition = "2021"
-
-[dependencies]
-kenaito-conf = { path = "../kenaito-conf-rust-client" }
-tokio = { version = "1", features = ["full"] }
diff --git a/kenaito-conf-rust-client-demo/src/main.rs b/kenaito-conf-rust-client-demo/src/main.rs
deleted file mode 100644
index 798db0e..0000000
--- a/kenaito-conf-rust-client-demo/src/main.rs
+++ /dev/null
@@ -1,52 +0,0 @@
-use kenaito_conf::{Config, ConfigClient};
-use std::collections::HashMap;
-
-#[tokio::main]
-async fn main() -> Result<(), Box<dyn std::error::Error>> {
-    let mut config_values: HashMap<String, String> = HashMap::new();
-    config_values.insert("database.host".to_string(), std::env::var("DATABASE_HOST").unwrap_or_else(|_| "192.168.1.1".to_string()));
-    config_values.insert("database.port".to_string(), std::env::var("DATABASE_PORT").unwrap_or_else(|_| "8888".to_string()));
-    config_values.insert("database.name".to_string(), std::env::var("DATABASE_NAME").unwrap_or_else(|_| "xxxx".to_string()));
-    config_values.insert("database.user".to_string(), std::env::var("DATABASE_USER").unwrap_or_else(|_| "xxxx".to_string()));
-    config_values.insert("database.password".to_string(), std::env::var("DATABASE_PASSWORD").unwrap_or_else(|_| "xxxxxxxx".to_string()));
-
-    let config = Config {
-        base_url: std::env::var("KENAITO_BASE_URL").unwrap_or_else(|_| "http://localhost:8080".to_string()),
-        app_name: std::env::var("KENAITO_APP_NAME").unwrap_or_else(|_| "kenaito-springboot-demo".to_string()),
-        env: std::env::var("KENAITO_PROFILE").unwrap_or_else(|_| "daily".to_string()),
-        version: std::env::var("KENAITO_VERSION").unwrap_or_else(|_| "latest".to_string()),
-        token: std::env::var("KENAITO_TOKEN").unwrap_or_else(|_| String::new()),
-        sync_interval: std::env::var("KENAITO_SYNC_INTERVAL").unwrap_or_else(|_| "30".to_string()).parse().unwrap_or(30),
-        cache_dir: std::env::var("KENAITO_CACHE_DIR").unwrap_or_else(|_| ".".to_string()),
-        ..Default::default()
-    };
-
-    let client = ConfigClient::new(config);
-
-    client.on_change(move |changed| {
-        for (k, v) in changed.iter() {
-            eprintln!("config changed: {} = {}", k, v);
-        }
-    });
-
-    match client.start().await {
-        Ok(_) => {
-            let remote = client.get_all();
-            eprintln!("loaded {} configs from remote", remote.len());
-        }
-        Err(e) => {
-            eprintln!("failed to init config client: {}", e);
-        }
-    }
-
-    println!("Current configs:");
-    for (k, v) in &config_values {
-        println!("  {} = {}", k, v);
-    }
-
-    println!("\nListening for config changes... (press Ctrl+C to stop)");
-    tokio::signal::ctrl_c().await?;
-    println!("Shutting down...");
-
-    Ok(())
-}
diff --git a/kenaito-conf-rust-client/Cargo.toml b/kenaito-conf-rust-client/Cargo.toml
deleted file mode 100644
index a0f7812..0000000
--- a/kenaito-conf-rust-client/Cargo.toml
+++ /dev/null
@@ -1,16 +0,0 @@
-[package]
-name = "kenaito-conf"
-version = "1.0.0"
-edition = "2021"
-authors = ["odboy <tianjun@odboy.cn>"]
-description = "Kenaito Config Center Rust Client"
-
-[dependencies]
-reqwest = { version = "0.11", features = ["json"] }
-tokio = { version = "1", features = ["full"] }
-serde = { version = "1.0", features = ["derive"] }
-serde_json = "1.0"
-md-5 = "0.10"
-aes = "0.8"
-cbc = "0.1"
-base64 = "0.21"
diff --git a/kenaito-conf-rust-client/README.md b/kenaito-conf-rust-client/README.md
deleted file mode 100644
index 8aafaca..0000000
--- a/kenaito-conf-rust-client/README.md
+++ /dev/null
@@ -1,70 +0,0 @@
-# Kenaito Config Center Rust Client
-
-Rust 语言的配置中心客户端 SDK。
-
-## 依赖
-
-- Rust 1.70+
-- reqwest (HTTP 客户端)
-- tokio (异步运行时)
-- aes + cbc (AES 解密)
-
-## 安装
-
-在 `Cargo.toml` 中添加：
-
-```toml
-[dependencies]
-kenaito-conf = { path = "../kenaito-conf-rust-client" }
-```
-
-## 使用
-
-```rust
-use kenaito_conf::{Config, ConfigClient};
-
-#[tokio::main]
-async fn main() {
-    let config = Config {
-        base_url: "http://localhost:8080".to_string(),
-        app_name: "kenaito-springboot-demo".to_string(),
-        env: "daily".to_string(),
-        version: "latest".to_string(),
-        sync_interval: 30,
-        ..Default::default()
-    };
-
-    let client = ConfigClient::new(config);
-
-    client.on_change(|changed| {
-        for (k, v) in changed.iter() {
-            println!("config changed: {} = {}", k, v);
-        }
-    });
-
-    client.start().await.unwrap();
-
-    let value = client.get("database.host");
-    let all = client.get_all();
-}
-```
-
-## 配置参数
-
-| 参数 | 说明 | 默认值 |
-|------|------|--------|
-| `base_url` | 配置中心地址 | 必填 |
-| `app_name` | 应用名称 | 必填 |
-| `env` | 环境 | `dev` |
-| `version` | 配置版本 | `latest` |
-| `token` | 认证令牌 | 空 |
-| `sync_interval` | 同步间隔（秒） | `60` |
-| `ignore_global` | 是否忽略全局配置 | `false` |
-| `cache_dir` | 本地缓存目录 | `.` |
-
-## Demo
-
-```bash
-cd kenaito-conf-rust-client-demo
-cargo run
-```
diff --git a/kenaito-conf-rust-client/src/lib.rs b/kenaito-conf-rust-client/src/lib.rs
deleted file mode 100644
index db628ba..0000000
--- a/kenaito-conf-rust-client/src/lib.rs
+++ /dev/null
@@ -1,140 +0,0 @@
-use serde::{Deserialize, Serialize};
-use std::collections::HashMap;
-use std::sync::{Arc, Mutex};
-use std::time::Duration;
-
-#[derive(Clone, Debug)]
-pub struct Config {
-    pub base_url: String,
-    pub app_name: String,
-    pub env: String,
-    pub version: String,
-    pub token: String,
-    pub sync_interval: u64,
-    pub ignore_global: bool,
-    pub cache_dir: String,
-}
-
-impl Default for Config {
-    fn default() -> Self {
-        Self {
-            base_url: String::new(),
-            app_name: String::new(),
-            env: "dev".to_string(),
-            version: "latest".to_string(),
-            token: String::new(),
-            sync_interval: 60,
-            ignore_global: false,
-            cache_dir: ".".to_string(),
-        }
-    }
-}
-
-#[derive(Serialize, Deserialize, Debug)]
-struct FetchAllRequest {
-    app_name: String,
-    env: String,
-    version: String,
-    ignore_global: bool,
-    token: String,
-}
-
-#[derive(Serialize, Deserialize, Debug)]
-struct FetchChangedRequest {
-    app_name: String,
-    env: String,
-    version: String,
-    last_time: i64,
-    ignore_global: bool,
-    token: String,
-}
-
-pub struct ConfigClient {
-    config: Config,
-    configs: Arc<Mutex<HashMap<String, String>>>,
-    last_time: Arc<Mutex<i64>>,
-    handlers: Arc<Mutex<Vec<Box<dyn Fn(&HashMap<String, String>) + Send + Sync>>>>,
-}
-
-impl ConfigClient {
-    pub fn new(config: Config) -> Self {
-        Self {
-            config,
-            configs: Arc::new(Mutex::new(HashMap::new())),
-            last_time: Arc::new(Mutex::new(0)),
-            handlers: Arc::new(Mutex::new(Vec::new())),
-        }
-    }
-
-    pub fn on_change<F>(&self, handler: F)
-    where
-        F: Fn(&HashMap<String, String>) + Send + Sync + 'static,
-    {
-        self.handlers.lock().unwrap().push(Box::new(handler));
-    }
-
-    pub fn get(&self, key: &str) -> Option<String> {
-        self.configs.lock().unwrap().get(key).cloned()
-    }
-
-    pub fn get_all(&self) -> HashMap<String, String> {
-        self.configs.lock().unwrap().clone()
-    }
-
-    pub async fn start(&self) -> Result<(), Box<dyn std::error::Error>> {
-        self.fetch_all().await?;
-
-        let configs = self.configs.clone();
-        let last_time = self.last_time.clone();
-        let handlers = self.handlers.clone();
-        let config = self.config.clone();
-
-        tokio::spawn(async move {
-            loop {
-                tokio::time::sleep(Duration::from_secs(config.sync_interval)).await;
-                // fetch_changed logic here
-            }
-        });
-
-        Ok(())
-    }
-
-    async fn fetch_all(&self) -> Result<(), Box<dyn std::error::Error>> {
-        let url = format!("{}/api/fetchAllConfigs", self.config.base_url);
-        let client = reqwest::Client::new();
-
-        let payload = serde_json::json!({
-            "appName": self.config.app_name,
-            "env": self.config.env,
-            "version": self.config.version,
-            "ignoreGlobal": self.config.ignore_global,
-            "token": self.config.token,
-        });
-
-        let resp = client.post(&url).json(&payload).send().await?;
-        let data: HashMap<String, serde_json::Value> = resp.json().await?;
-
-        if let Some(code) = data.get("code") {
-            if code.as_i64() != Some(0) {
-                return Err("server error".into());
-            }
-        }
-
-        if let Some(ts) = data.get("latest.fetch.timestamp") {
-            *self.last_time.lock().unwrap() = ts.as_i64().unwrap_or(0);
-        }
-
-        let mut configs = self.configs.lock().unwrap();
-
-        for (k, v) in data.iter() {
-            if k.starts_with("kenaito.") || k == "latest.fetch.timestamp" {
-                continue;
-            }
-            if let Some(s) = v.as_str() {
-                configs.insert(k.clone(), s.to_string());
-            }
-        }
-
-        Ok(())
-    }
-}