diff --git a/.vscode/c_cpp_properties.json b/.vscode/c_cpp_properties.json
new file mode 100644
index 0000000..3abccb4
--- /dev/null
+++ b/.vscode/c_cpp_properties.json
@@ -0,0 +1,17 @@
+{
+    "configurations": [
+        {
+            "name": "Linux",
+            "includePath": [
+                "${workspaceFolder}/**",
+                "/opt/Libraries/boost_1_87_0/include"
+            ],
+            "defines": [],
+            "compilerPath": "/usr/bin/gcc",
+            "cStandard": "c17",
+            "cppStandard": "gnu++17",
+            "intelliSenseMode": "linux-gcc-x64"
+        }
+    ],
+    "version": 4
+}
\ No newline at end of file
diff --git a/Application.cpp b/Application.cpp
index 651c08d..76176cd 100644
--- a/Application.cpp
+++ b/Application.cpp
@@ -1,22 +1,100 @@
 #include "Application.h"
+#include "Base/Messages.h"
 #include "Core/IoContext.h"
+#include "Core/MessageManager.h"
 #include "Core/Singleton.h"
+#include "HttpSession.h"
+#include "Router/router.hpp"
+#include "ServiceLogic.h"
 #include "Settings.h"
+#include "WeChat/Corporation/Context.h"
+#include <boost/asio/strand.hpp>
 
 namespace Older {
-Application::Application() {
+
+class ApplicationPrivate {
+public:
+    std::shared_ptr<boost::urls::router<Application::RequestHandler>> router;
+    std::shared_ptr<boost::asio::ip::tcp::acceptor> acceptor;
+};
+
+Application::Application() : m_d{new ApplicationPrivate()} {
+    using namespace boost::urls;
     using namespace Core;
+    m_d->router = std::make_shared<router<RequestHandler>>();
+
+    m_messageManager = Singleton<MessageManager>::construct();
     m_settings = Singleton<Settings>::construct();
 
     m_ioContext = Singleton<IoContext>::construct(m_settings->threads());
+
+    m_corporationContext = Singleton<WeChat::Corporation::Context>::construct(*m_ioContext->ioContext());
+    m_corporationContext->start();
+
+    m_d->router->insert("/api/v1/notify", [this](HttpSession &session, const Request &request, const matches &matches) {
+        auto manager = Singleton<MessageManager>::instance();
+        if (manager) {
+            manager->publish<NotifyServerChan>(request);
+        }
+        session.reply(ServiceLogic::make_200<boost::beast::http::string_body>(request, "notify successed.\n", "text/html"));
+    });
 }
 
 boost::asio::io_context &Application::ioContext() {
     return *m_ioContext->ioContext();
 }
 
+void Application::startAcceptHttpConnections(const std::string &address, uint16_t port) {
+    m_d->acceptor = std::make_shared<boost::asio::ip::tcp::acceptor>(*m_ioContext->ioContext());
+    boost::beast::error_code error;
+    boost::asio::ip::tcp::endpoint endpoint(boost::asio::ip::make_address(address), port);
+    m_d->acceptor->open(endpoint.protocol(), error);
+    if (error) {
+        LOG(error) << error.message();
+        return;
+    }
+    m_d->acceptor->set_option(boost::asio::socket_base::reuse_address(true), error);
+    if (error) {
+        LOG(error) << error.message();
+        return;
+    }
+    m_d->acceptor->bind(endpoint, error);
+    if (error) {
+        LOG(error) << error.message();
+        return;
+    }
+    m_d->acceptor->listen(boost::asio::socket_base::max_listen_connections, error);
+    if (error) {
+        LOG(error) << error.message();
+        return;
+    }
+    asyncAcceptHttpConnections();
+}
+
+void Application::insertUrl(std::string_view url, RequestHandler &&handler) {
+    m_d->router->insert(url, std::move(handler));
+}
+
 int Application::exec() {
+    using namespace Core;
+    auto settings = Singleton<Settings>::instance();
+    ServiceLogic::live2dBackend();
+    startAcceptHttpConnections(settings->server(), settings->port());
     m_ioContext->run();
     return 0;
 }
+
+void Application::asyncAcceptHttpConnections() {
+    auto socket = std::make_shared<boost::asio::ip::tcp::socket>(boost::asio::make_strand(*m_ioContext->ioContext()));
+    m_d->acceptor->async_accept(*socket, [self{shared_from_this()}, socket](const boost::system::error_code &error) {
+        if (error) {
+            if (error == boost::asio::error::operation_aborted) return;
+            LOG(error) << error.message();
+        } else {
+            auto session = std::make_shared<HttpSession>(std::move(*socket), self->m_d->router);
+            session->run();
+        }
+        self->asyncAcceptHttpConnections();
+    });
+}
 } // namespace Older
diff --git a/Application.h b/Application.h
index f67b1a5..885b6b2 100644
--- a/Application.h
+++ b/Application.h
@@ -1,26 +1,48 @@
 #ifndef __APPLICATION_H__
 #define __APPLICATION_H__
 
-#include <memory>
+#include "Router/matches.hpp"
 #include <boost/asio/io_context.hpp>
+#include <boost/beast/http/string_body.hpp>
+#include <memory>
 
 namespace Core {
 class IoContext;
+class MessageManager;
+} // namespace Core
+
+namespace WeChat {
+namespace Corporation {
+class Context;
 }
+} // namespace WeChat
 
 namespace Older {
 
 class Settings;
+class ApplicationPrivate;
+class HttpSession;
 
-class Application {
+class Application : public std::enable_shared_from_this<Application> {
 public:
+    using Pointer = std::shared_ptr<Application>;
+    using Request = boost::beast::http::request<boost::beast::http::string_body>;
+    using RequestHandler = std::function<void(HttpSession &, const Request &, const boost::urls::matches &)>;
     Application();
     boost::asio::io_context &ioContext();
+    void startAcceptHttpConnections(const std::string &address, uint16_t port);
+    void insertUrl(std::string_view url, RequestHandler &&handler);
     int exec();
 
+protected:
+    void asyncAcceptHttpConnections();
+
 private:
+    ApplicationPrivate *m_d = nullptr;
     std::shared_ptr<Settings> m_settings;
     std::shared_ptr<Core::IoContext> m_ioContext;
+    std::shared_ptr<Core::MessageManager> m_messageManager;
+    std::shared_ptr<WeChat::Corporation::Context> m_corporationContext;
 };
 } // namespace Older
 #endif // __APPLICATION_H__
\ No newline at end of file
diff --git a/Base/Messages.h b/Base/Messages.h
new file mode 100644
index 0000000..145f9fa
--- /dev/null
+++ b/Base/Messages.h
@@ -0,0 +1,11 @@
+#ifndef __MESSAGES_H__
+#define __MESSAGES_H__
+
+#include "Core/MessageManager.h"
+#include <boost/callable_traits/return_type.hpp>
+
+struct NotifyServerChan {
+    using Signature = void(const boost::beast::http::request<boost::beast::http::string_body> &);
+};
+
+#endif // __MESSAGES_H__
\ No newline at end of file
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1039472..5c30bae 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,11 +1,24 @@
+find_package(Boost REQUIRED COMPONENTS json)
 
 add_subdirectory(/root/Projects/Kylin Kylin)
 
 add_executable(Older main.cpp
+    WeChat/Corporation/Context.h WeChat/Corporation/Context.cpp
+
     Application.h Application.cpp
+    HttpSession.h HttpSession.cpp
+    ResponseUtility.h ResponseUtility.cpp
+    ServiceLogic.h ServiceLogic.inl ServiceLogic.cpp
     Settings.h Settings.cpp
 )
 
+target_include_directories(Older
+    PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}
+)
+
 target_link_libraries(Older
     PRIVATE Kylin::Core
+    PRIVATE Kylin::Http
+    PRIVATE Kylin::Router
+    PRIVATE Boost::json
 )
\ No newline at end of file
diff --git a/HttpSession.cpp b/HttpSession.cpp
new file mode 100644
index 0000000..30b3816
--- /dev/null
+++ b/HttpSession.cpp
@@ -0,0 +1,119 @@
+#include "HttpSession.h"
+#include "Core/Logger.h"
+#include <boost/beast/http/read.hpp>
+#include <boost/beast/version.hpp>
+#include <boost/config.hpp>
+#include <boost/stacktrace.hpp>
+#include <boost/url/parse_path.hpp>
+#include <boost/url/url_view.hpp>
+#include <iostream>
+#include <limits>
+
+namespace Older {
+HttpSession::HttpSession(boost::asio::ip::tcp::socket &&socket,
+                         const std::shared_ptr<boost::urls::router<RequestHandler>> &router)
+    : m_stream(std::move(socket)), m_router(router) {
+}
+
+void HttpSession::run() {
+    doRead();
+}
+
+boost::beast::tcp_stream::executor_type HttpSession::executor() {
+    return m_stream.get_executor();
+}
+
+boost::asio::ip::tcp::socket HttpSession::releaseSocket() {
+    return m_stream.release_socket();
+}
+
+void HttpSession::errorReply(const Request &request, boost::beast::http::status status, boost::beast::string_view message) {
+    using namespace boost::beast;
+    // invalid route
+    http::response<http::string_body> res{status, request.version()};
+    res.set(http::field::server, BOOST_BEAST_VERSION_STRING);
+    res.set(http::field::content_type, "text/html");
+    res.keep_alive(request.keep_alive());
+    res.body() = message;
+    res.prepare_payload();
+
+    reply(std::move(res));
+}
+
+void HttpSession::doRead() {
+    // Construct a new parser for each message
+    m_parser.emplace();
+
+    // Apply a reasonable limit to the allowed size
+    // of the body in bytes to prevent abuse.
+    m_parser->body_limit(std::numeric_limits<std::uint64_t>::max());
+    m_parser->header_limit(std::numeric_limits<std::uint32_t>::max());
+    m_buffer.clear();
+
+    // Set the timeout.
+    m_stream.expires_after(std::chrono::seconds(30));
+    // clang-format off
+    boost::beast::http::async_read(m_stream, m_buffer, *m_parser, [self{shared_from_this()}](const boost::system::error_code &ec, std::size_t bytes_transferred) {
+        self->onRead(ec, bytes_transferred);
+    });
+    // clang-format on
+}
+
+void HttpSession::onRead(const boost::beast::error_code &error, std::size_t) {
+    using namespace boost::beast;
+    if (error) {
+        if (error == http::error::end_of_stream) {
+            boost::beast::error_code e;
+            m_stream.socket().shutdown(boost::asio::ip::tcp::socket::shutdown_send, e);
+        } else if (error != boost::asio::error::operation_aborted) {
+            LOG(info) << error << " : " << error.message();
+        }
+        return;
+    } else if (m_router.expired()) {
+        LOG(error) << "router is null.";
+        return;
+    }
+
+    auto &request = m_parser->get();
+    auto path = boost::urls::parse_path(request.target());
+    if (!path) {
+        LOG(error) << request.target() << "failed, error: " << path.error().message();
+        errorReply(request, http::status::bad_request, "Illegal request-target");
+        return;
+    }
+    auto router = m_router.lock();
+    boost::urls::matches matches;
+    auto handler = router->find(*path, matches);
+    if (handler) {
+        try {
+            (*handler)(*this, request, matches);
+        } catch (const std::exception &e) {
+            boost::stacktrace::stacktrace trace = boost::stacktrace::stacktrace::from_current_exception();
+            LOG(error) << e.what() << ", trace:\n" << trace;
+        }
+    } else {
+        std::ostringstream oss;
+        oss << "The resource '" << request.target() << "' was not found.";
+        auto message = oss.str();
+        errorReply(request, http::status::not_found, message);
+        LOG(error) << message;
+    }
+}
+
+void HttpSession::onWrite(boost::beast::error_code ec, std::size_t, bool close) {
+    if (ec) {
+        if (ec == boost::asio::error::operation_aborted) return;
+        std::cerr << "write: " << ec.message() << "\n";
+    }
+
+    if (close) {
+        // This means we should close the connection, usually because
+        // the response indicated the "Connection: close" semantic.
+        m_stream.socket().shutdown(boost::asio::ip::tcp::socket::shutdown_send, ec);
+        return;
+    }
+
+    // Read another request
+    doRead();
+}
+} // namespace Older
diff --git a/HttpSession.h b/HttpSession.h
new file mode 100644
index 0000000..039ac92
--- /dev/null
+++ b/HttpSession.h
@@ -0,0 +1,51 @@
+#ifndef HTTPSESSION_H
+#define HTTPSESSION_H
+
+#include "Router/router.hpp"
+#include <boost/beast/core/flat_buffer.hpp>
+#include <boost/beast/core/tcp_stream.hpp>
+#include <boost/beast/http/parser.hpp>
+#include <boost/beast/http/string_body.hpp>
+#include <boost/beast/http/write.hpp>
+#include <cstdlib>
+#include <memory>
+#include <optional>
+
+namespace Older {
+
+/** Represents an established HTTP connection
+ */
+class HttpSession : public std::enable_shared_from_this<HttpSession> {
+    void doRead();
+    void onWrite(boost::beast::error_code ec, std::size_t, bool close);
+
+public:
+    using Request = boost::beast::http::request<boost::beast::http::string_body>;
+    using RequestHandler = std::function<void(HttpSession &, const Request &, const boost::urls::matches &)>;
+    HttpSession(boost::asio::ip::tcp::socket &&socket, const std::shared_ptr<boost::urls::router<RequestHandler>> &router);
+    template <typename Response>
+    void reply(Response &&response) {
+        using ResponseType = typename std::decay_t<decltype(response)>;
+        auto sp = std::make_shared<ResponseType>(std::forward<decltype(response)>(response));
+        boost::beast::http::async_write(m_stream, *sp,
+                                        [self = shared_from_this(), sp](boost::beast::error_code ec, std::size_t bytes) {
+                                            self->onWrite(ec, bytes, sp->need_eof());
+                                        });
+    }
+    void errorReply(const Request &request, boost::beast::http::status status, boost::beast::string_view message);
+    boost::beast::tcp_stream::executor_type executor();
+    boost::asio::ip::tcp::socket releaseSocket();
+    void run();
+
+protected:
+    void onRead(const boost::beast::error_code &error, std::size_t);
+
+private:
+    boost::beast::tcp_stream m_stream;
+    std::weak_ptr<boost::urls::router<RequestHandler>> m_router;
+    boost::beast::flat_buffer m_buffer{std::numeric_limits<std::uint32_t>::max()};
+    std::optional<boost::beast::http::request_parser<boost::beast::http::string_body>> m_parser;
+};
+} // namespace Older
+
+#endif // HTTPSESSION_H
diff --git a/ResponseUtility.cpp b/ResponseUtility.cpp
new file mode 100644
index 0000000..dee717e
--- /dev/null
+++ b/ResponseUtility.cpp
@@ -0,0 +1,51 @@
+#include "ResponseUtility.h"
+#include "boost/beast.hpp"
+
+namespace ResponseUtility {
+
+std::string_view mimeType(std::string_view path) {
+    using boost::beast::iequals;
+    auto const ext = [&path] {
+        auto const pos = path.rfind(".");
+        if (pos == std::string_view::npos) return std::string_view{};
+        return path.substr(pos);
+    }();
+    if (iequals(ext, ".pdf")) return "Application/pdf";
+    if (iequals(ext, ".htm")) return "text/html";
+    if (iequals(ext, ".html")) return "text/html";
+    if (iequals(ext, ".php")) return "text/html";
+    if (iequals(ext, ".css")) return "text/css";
+    if (iequals(ext, ".txt")) return "text/plain";
+    if (iequals(ext, ".js")) return "application/javascript";
+    if (iequals(ext, ".json")) return "application/json";
+    if (iequals(ext, ".xml")) return "application/xml";
+    if (iequals(ext, ".swf")) return "application/x-shockwave-flash";
+    if (iequals(ext, ".flv")) return "video/x-flv";
+    if (iequals(ext, ".png")) return "image/png";
+    if (iequals(ext, ".jpe")) return "image/jpeg";
+    if (iequals(ext, ".jpeg")) return "image/jpeg";
+    if (iequals(ext, ".jpg")) return "image/jpeg";
+    if (iequals(ext, ".gif")) return "image/gif";
+    if (iequals(ext, ".bmp")) return "image/bmp";
+    if (iequals(ext, ".ico")) return "image/vnd.microsoft.icon";
+    if (iequals(ext, ".tiff")) return "image/tiff";
+    if (iequals(ext, ".tif")) return "image/tiff";
+    if (iequals(ext, ".svg")) return "image/svg+xml";
+    if (iequals(ext, ".svgz")) return "image/svg+xml";
+    return "application/text";
+}
+
+std::string pathCat(std::string_view base, std::string_view path) {
+    if (base.empty()) return std::string(path);
+    std::string result(base);
+    char constexpr path_separator = '/';
+    if (result.back() == path_separator && path.front() == path_separator) {
+        result.resize(result.size() - 1);
+    } else if (result.back() != path_separator && path.front() != path_separator) {
+        result.append("/");
+    }
+    result.append(path.data(), path.size());
+
+    return result;
+}
+} // namespace ResponseUtility
diff --git a/ResponseUtility.h b/ResponseUtility.h
new file mode 100644
index 0000000..c0ff08b
--- /dev/null
+++ b/ResponseUtility.h
@@ -0,0 +1,19 @@
+#ifndef RESPONSEUTILITY_H
+#define RESPONSEUTILITY_H
+
+#include <string_view>
+
+namespace ResponseUtility {
+/**
+ * @brief Return a reasonable mime type based on the extension of a file.
+ */
+std::string_view mimeType(std::string_view path);
+
+/**
+ * @brief Append an HTTP rel-path to a local filesystem path.The returned path is normalized for the
+ * platform.
+ */
+std::string pathCat(std::string_view base, std::string_view path);
+} // namespace ResponseUtility
+
+#endif // RESPONSEUTILITY_H
diff --git a/ServiceLogic.cpp b/ServiceLogic.cpp
new file mode 100644
index 0000000..7828fe1
--- /dev/null
+++ b/ServiceLogic.cpp
@@ -0,0 +1,77 @@
+#include "ServiceLogic.h"
+#include "HttpSession.h"
+#include "Settings.h"
+#include <sstream>
+
+namespace ServiceLogic {
+using namespace boost::beast;
+
+boost::beast::http::response<boost::beast::http::string_body>
+serverError(const boost::beast::http::request<boost::beast::http::string_body> &request, std::string_view errorMessage) {
+    using namespace boost::beast;
+    http::response<http::string_body> res{http::status::internal_server_error, request.version()};
+    res.set(http::field::server, BOOST_BEAST_VERSION_STRING);
+    res.set(http::field::content_type, "text/html");
+    res.keep_alive(request.keep_alive());
+    std::ostringstream oss;
+    oss << "An error occurred: '" << errorMessage << "'";
+    res.body() = oss.str();
+    res.prepare_payload();
+    return res;
+}
+
+http::response<http::string_body> badRequest(const http::request<http::string_body> &request, std::string_view why) {
+    http::response<http::string_body> res{http::status::bad_request, request.version()};
+    res.set(http::field::server, BOOST_BEAST_VERSION_STRING);
+    res.set(http::field::content_type, "text/html");
+    res.keep_alive(request.keep_alive());
+    res.body() = std::string(why);
+    res.prepare_payload();
+    return res;
+}
+
+void live2dBackend() {
+    using namespace Core;
+    auto application = Singleton<Older::Application>::instance();
+    application->insertUrl("/api/v1/live2d/{path*}", [](Older::HttpSession &session, const Older::Application::Request &request,
+                                                        const boost::urls::matches &matches) {
+        auto settings = Singleton<Older::Settings>::instance();
+        using namespace boost::beast;
+        boost::urls::url_view view(request.target());
+        auto target = view.path();
+        // LOG(info) << target;
+        if (target.find("..") != boost::beast::string_view::npos) {
+            session.reply(ServiceLogic::badRequest(request, "Illegal request-target"));
+            return;
+        }
+        std::string path = ResponseUtility::pathCat(settings->live2dModelsRoot(), matches["path"]);
+        if (target.back() == '/') path.append("index.html");
+        if (std::filesystem::is_directory(path)) path.append("/index.html");
+        boost::beast::error_code ec;
+        http::file_body::value_type body;
+        body.open(path.c_str(), boost::beast::file_mode::scan, ec);
+        if (ec == boost::beast::errc::no_such_file_or_directory) {
+            std::ostringstream oss;
+            oss << "The resource '" << target << "' was not found.";
+            LOG(error) << oss.str();
+            session.errorReply(request, http::status::not_found, oss.str());
+            return;
+        } else if (ec) {
+            session.reply(ServiceLogic::serverError(request, ec.message()));
+            return;
+        }
+        auto const size = body.size();
+        http::response<http::file_body> res{std::piecewise_construct, std::make_tuple(std::move(body)),
+                                            std::make_tuple(http::status::ok, request.version())};
+        res.set(http::field::server, BOOST_BEAST_VERSION_STRING);
+        res.set(http::field::content_type, ResponseUtility::mimeType(path));
+        // res.set(http::field::access_control_allow_origin, "*");
+        res.set(http::field::cache_control, "max-age=2592000");
+        res.set(http::field::expires, "Fri, 22 Nov 2124 13:30:28 GMT");
+        res.content_length(size);
+        res.keep_alive(request.keep_alive());
+        session.reply(std::move(res));
+    });
+}
+
+} // namespace ServiceLogic
diff --git a/ServiceLogic.h b/ServiceLogic.h
new file mode 100644
index 0000000..976311b
--- /dev/null
+++ b/ServiceLogic.h
@@ -0,0 +1,53 @@
+#ifndef SERVICELOGIC_H
+#define SERVICELOGIC_H
+
+#include "Application.h"
+#include "ResponseUtility.h"
+#include <boost/beast/http/message.hpp>
+#include <boost/beast/http/string_body.hpp>
+#include <boost/beast/http/vector_body.hpp>
+#include <boost/beast/version.hpp>
+#include <boost/uuid/uuid_generators.hpp>
+#include <boost/uuid/uuid_io.hpp>
+#include <fstream>
+
+using StringRequest = boost::beast::http::request<boost::beast::http::string_body>;
+
+
+
+namespace ServiceLogic {
+
+template <class Send>
+static void onWechat(const Older::Application::Pointer &app, StringRequest &&request, Send &&send);
+
+// Returns a server error response
+boost::beast::http::response<boost::beast::http::string_body>
+serverError(const boost::beast::http::request<boost::beast::http::string_body> &request, std::string_view errorMessage);
+
+boost::beast::http::response<boost::beast::http::string_body>
+badRequest(const boost::beast::http::request<boost::beast::http::string_body> &request, std::string_view why);
+
+template <class ResponseBody, class RequestBody>
+boost::beast::http::response<ResponseBody> make_200(const boost::beast::http::request<RequestBody> &request,
+                                                    typename ResponseBody::value_type body,
+                                                    boost::beast::string_view content) {
+    boost::beast::http::response<ResponseBody> response{boost::beast::http::status::ok, request.version()};
+    response.set(boost::beast::http::field::server, BOOST_BEAST_VERSION_STRING);
+    response.set(boost::beast::http::field::content_type, content);
+    response.body() = body;
+    response.prepare_payload();
+    response.keep_alive(request.keep_alive());
+
+    return response;
+}
+
+void live2dBackend();
+
+
+
+
+}; // namespace ServiceLogic
+
+#include "ServiceLogic.inl"
+
+#endif // SERVICELOGIC_H
diff --git a/ServiceLogic.inl b/ServiceLogic.inl
new file mode 100644
index 0000000..9aaea0e
--- /dev/null
+++ b/ServiceLogic.inl
@@ -0,0 +1,41 @@
+#ifndef SERVICELOGIC_INL
+#define SERVICELOGIC_INL
+
+#include "Core/Logger.h"
+#include "WeChat/OfficialAccount/Context.h"
+#include <boost/beast/http/empty_body.hpp>
+#include <boost/beast/http/file_body.hpp>
+#include <boost/json/parse.hpp>
+#include <boost/json/serialize.hpp>
+#include <boost/nowide/fstream.hpp>
+#include <boost/url.hpp>
+#include <filesystem>
+
+namespace ServiceLogic {
+
+template <class Send>
+static void onWechat(const Older::Application::Pointer &app, const StringRequest &request, Send &&send) {
+    using namespace boost::beast;
+    boost::urls::url url(request.target());
+    auto context = Core::Singleton<WeChatContext>::instance();
+    http::response<boost::beast::http::string_body> response;
+    if (request.count("Content-Type") > 0 && request.at("Content-Type") == "text/xml") {
+        response.body() = context->reply(request.body());
+    } else {
+        auto query = url.params();
+        if (auto iterator = query.find("echostr"); iterator != query.end()) {
+            response.body() = (*iterator)->value;
+        }
+    }
+    boost::beast::error_code ec;
+
+    response.set(http::field::server, BOOST_BEAST_VERSION_STRING);
+    response.set(http::field::content_type, "text/xml;charset=UTF-8");
+    response.keep_alive(request.keep_alive());
+
+    response.prepare_payload();
+    return send(std::move(response));
+}
+} // namespace ServiceLogic
+
+#endif // SERVICELOGIC_INL
diff --git a/Settings.cpp b/Settings.cpp
index 6ae7a5f..c4a63b8 100644
--- a/Settings.cpp
+++ b/Settings.cpp
@@ -4,4 +4,17 @@ namespace Older {
 uint32_t Settings::threads() const {
     return m_threads;
 }
+
+std::string Settings::server() const {
+    return m_server;
+}
+
+uint16_t Settings::port() const {
+    return m_port;
+}
+
+std::string Settings::live2dModelsRoot() const {
+    return m_live2dModelsRoot;
+}
+
 } // namespace Older
\ No newline at end of file
diff --git a/Settings.h b/Settings.h
index fd16d40..a634663 100644
--- a/Settings.h
+++ b/Settings.h
@@ -2,14 +2,22 @@
 #define __SETTINGS_H__
 
 #include <cstdint>
+#include <string>
 
 namespace Older {
 class Settings {
 public:
     uint32_t threads() const;
+    std::string server() const;
+    uint16_t port() const;
+    std::string live2dModelsRoot() const;
 
 private:
     uint32_t m_threads = 1;
+    std::string m_server = "127.0.0.1";
+    uint16_t m_port = 8081;
+
+    std::string m_live2dModelsRoot = "resources/live2d";
 };
 } // namespace Older
 
diff --git a/WeChat/Corporation/Context.cpp b/WeChat/Corporation/Context.cpp
new file mode 100644
index 0000000..ba6c7d7
--- /dev/null
+++ b/WeChat/Corporation/Context.cpp
@@ -0,0 +1,128 @@
+#include "Context.h"
+#include "Base/Messages.h"
+#include "Core/Logger.h"
+#include "Core/MessageManager.h"
+#include "Http/Utility.h"
+#include <boost/asio/defer.hpp>
+#include <boost/beast/core.hpp>
+#include <boost/format.hpp>
+#include <boost/json/object.hpp>
+#include <boost/json/parse.hpp>
+#include <boost/json/serialize.hpp>
+
+namespace WeChat {
+namespace Corporation {
+Context::Context(boost::asio::io_context &ioContext) : m_ioContext(ioContext), m_timer(ioContext) {
+    using namespace Core;
+    auto manager = Singleton<MessageManager>::instance();
+    if (manager) {
+        manager->subscribe<NotifyServerChan>(
+            [this](const boost::beast::http::request<boost::beast::http::string_body> &request) { notify(request); });
+    }
+}
+
+void Context::sendMessage(MessageType type, const std::string &message) {
+    boost::format target("/cgi-bin/message/send?access_token=%1%");
+    target % m_accessToken;
+
+    boost::json::object msg;
+    msg["content"] = message;
+
+    boost::json::object request;
+    request["touser"] = "@all";
+    request["agentid"] = agentid;
+    if (type == MessageType::Markdown) {
+        request["msgtype"] = "markdown";
+        request["markdown"] = std::move(msg);
+    } else {
+        request["msgtype"] = "text";
+        request["text"] = std::move(msg);
+    }
+    auto body = boost::json::serialize(request);
+
+    boost::beast::error_code error;
+    auto response = Https::post(m_ioContext, host, port, target.str(), body, error);
+    if (error) {
+        LOG(error) << error.message();
+        return;
+    }
+    LOG(info) << response;
+}
+
+void Context::start() {
+    boost::asio::defer(m_ioContext, [ptr{weak_from_this()}]() {
+        if (ptr.expired()) {
+            LOG(error) << "Context instance was expired";
+            return;
+        }
+        auto self = ptr.lock();
+        self->updateAccessToken();
+    });
+}
+
+void Context::notify(const RequestType &request) {
+    boost::system::error_code error;
+    auto json = boost::json::parse(request.body(), error);
+    if (error) {
+        LOG(error) << "parse: [" << request.body() << "] failed, reason: " << error.message();
+        return;
+    }
+    // LOG(debug) << "parse: [" << request.body() << "] succeed.";
+    auto &req = json.as_object();
+    MessageType type = MessageType::Text;
+    if (req.contains("type")) {
+        if (req.at("type").as_string() == "markdown") {
+            type = MessageType::Markdown;
+        }
+    }
+    if (req.contains("msg")) {
+        std::string msg(req.at("msg").as_string());
+        sendMessage(type, std::move(msg));
+    }
+}
+
+void Context::updateAccessToken() {
+    boost::beast::error_code error;
+
+    boost::format target("/cgi-bin/gettoken?corpid=%1%&corpsecret=%2%");
+    target % corpid % corpsecret;
+
+    auto response = Https::get(m_ioContext, host, port, target.str(), error);
+    if (error) {
+        LOG(error) << error.message();
+        return;
+    }
+    if (response.empty()) {
+        LOG(warning) << "response is empty.";
+        return;
+    }
+
+    auto json = boost::json::parse(response);
+    auto &accessTokenObject = json.as_object();
+    int errcode = accessTokenObject.count("errcode") > 0 ? accessTokenObject.at("errcode").as_int64() : -1;
+    if (errcode != 0) {
+        LOG(error) << "get access_token failed,code: " << errcode << ", message: " << accessTokenObject.at("errmsg").as_string();
+        return;
+    }
+    m_accessToken = accessTokenObject.at("access_token").as_string();
+    auto expires_in = accessTokenObject.at("expires_in").as_int64();
+    // LOG(info) << "access_token: " << m_accessToken;
+    LOG(info) << "re-access_token after " << expires_in << " s.";
+    m_timer.expires_after(std::chrono::seconds(expires_in));
+    m_timer.async_wait([this](const boost::system::error_code &error) {
+        if (error) {
+            LOG(error) << error.message();
+            return;
+        }
+        updateAccessToken();
+    });
+
+    static bool started = true;
+    if (started) {
+        sendMessage(MessageType::Text, "您好,艾玛已上线......");
+        started = false;
+    }
+}
+
+} // namespace Corporation
+} // namespace WeChat
\ No newline at end of file
diff --git a/WeChat/Corporation/Context.h b/WeChat/Corporation/Context.h
new file mode 100644
index 0000000..da530fd
--- /dev/null
+++ b/WeChat/Corporation/Context.h
@@ -0,0 +1,49 @@
+#ifndef __CORPORATIONCONTEXT_H__
+#define __CORPORATIONCONTEXT_H__
+
+#include "Core/Singleton.h"
+#include <boost/asio/steady_timer.hpp>
+#include <boost/beast/http/string_body.hpp>
+
+namespace WeChat {
+namespace Corporation {
+class Context : public std::enable_shared_from_this<Context> {
+    friend class Core::Singleton<Context>;
+
+public:
+    enum MessageType {
+        Text,
+        Markdown,
+    };
+    using RequestType = boost::beast::http::request<boost::beast::http::string_body>;
+
+    void sendMessage(MessageType type, const std::string &message);
+    void start();
+
+    /**
+     * @brief
+     *
+     * @param request
+     * @example curl -H "Content-Type: application/json" -X POST -d '{"user_id": "123", "msg":"OK!" }'
+     * https://amass.fun/notify
+     */
+    void notify(const RequestType &request);
+
+protected:
+    Context(boost::asio::io_context &ioContext);
+    void updateAccessToken();
+
+private:
+    boost::asio::io_context &m_ioContext;
+    boost::asio::steady_timer m_timer;
+    std::string m_accessToken;
+
+    constexpr static auto host = "qyapi.weixin.qq.com";
+    constexpr static auto port = "443";
+    constexpr static auto corpid = "ww1a786851749bdadc";
+    constexpr static auto corpsecret = "LlyJmYLIBOxJkQxkhwyqNVf550AUQ3JT2MT4yuS31i0";
+    constexpr static auto agentid = 1000002;
+};
+} // namespace Corporation
+} // namespace WeChat
+#endif // __CORPORATIONCONTEXT_H__
\ No newline at end of file
diff --git a/WeChat/OfficialAccount/Context.cpp b/WeChat/OfficialAccount/Context.cpp
new file mode 100644
index 0000000..14b83bd
--- /dev/null
+++ b/WeChat/OfficialAccount/Context.cpp
@@ -0,0 +1,183 @@
+#include "WeChatContext.h"
+#include "../ServiceManager.h"
+#include "BoostLog.h"
+#include "WeChatSession.h"
+#include <NetworkUtility.h>
+#include <boost/algorithm/string/predicate.hpp>
+#include <boost/algorithm/string/trim.hpp>
+#include <boost/asio/defer.hpp>
+#include <boost/beast/core.hpp>
+#include <boost/format.hpp>
+#include <boost/json/object.hpp>
+#include <boost/json/parse.hpp>
+#include <boost/json/serialize.hpp>
+#include <boost/property_tree/ptree.hpp>
+#include <boost/property_tree/xml_parser.hpp>
+#include <sstream>
+
+std::string WeChatContext::reply(const std::string &body) {
+    std::ostringstream oss;
+    LOG(info) << "someone send message: \n" << body;
+    boost::property_tree::ptree ptree;
+    std::istringstream iss(body);
+    boost::property_tree::read_xml(iss, ptree);
+
+    auto ToUserName = ptree.get_optional<std::string>("xml.ToUserName");
+    if (!ToUserName) {
+        LOG(error) << "request dont contain ToUserName.";
+        return oss.str();
+    }
+
+    auto FromUserName = ptree.get<std::string>("xml.FromUserName");
+    auto CreateTime = ptree.get<std::string>("xml.CreateTime");
+    auto MsgType = ptree.get<std::string>("xml.MsgType");
+    auto content = ptree.get<std::string>("xml.Content");
+    auto MsgId = ptree.get<std::string>("xml.MsgId");
+
+    std::shared_ptr<WeChatSession> session;
+    if (m_sessions.count(FromUserName) > 0) {
+        session = m_sessions.at(FromUserName);
+    } else {
+        session = std::make_shared<WeChatSession>(FromUserName);
+        m_sessions.emplace(FromUserName, session);
+    }
+    boost::algorithm::trim(content);
+    auto reply = session->processInput(content);
+
+    boost::property_tree::ptree sendXml;
+    sendXml.put("xml.Content", reply);
+    LOG(info) << "send " << FromUserName << ": " << reply;
+
+    sendXml.put("xml.ToUserName", FromUserName);
+    sendXml.put("xml.FromUserName", *ToUserName);
+    sendXml.put("xml.CreateTime", CreateTime);
+    sendXml.put("xml.MsgType", MsgType);
+
+    boost::property_tree::write_xml(oss, sendXml);
+    // LOG(info) << "reply content:\n "  << oss.str();
+    return oss.str();
+}
+
+WeChatContext::WeChatContext(boost::asio::io_context &ioContext)
+    : m_ioContext(ioContext), m_timer(ioContext), m_sessionsExpireTimer(ioContext) {
+    boost::asio::defer(m_ioContext, [this]() { updateAccessToken(); });
+}
+
+void WeChatContext::updateAccessToken() {
+    boost::beast::error_code error;
+
+    boost::format target("/cgi-bin/token?grant_type=client_credential&appid=%1%&secret=%2%");
+    target % appid % secret;
+
+    auto response = Https::get(m_ioContext, host, port, target.str(), error);
+    if (error) {
+        LOG(error) << error.message();
+        return;
+    }
+    if (response.empty()) {
+        LOG(warning) << "response is empty.";
+        return;
+    }
+
+    auto json = boost::json::parse(response);
+    auto &accessTokenObject = json.as_object();
+    if (accessTokenObject.count("errcode")) {
+        LOG(error) << "get access_token failed,code: " << accessTokenObject.at("errcode").as_int64()
+                   << ", message: " << accessTokenObject.at("errmsg").as_string();
+        return;
+    }
+    m_accessToken = accessTokenObject.at("access_token").as_string();
+    auto expires_in = accessTokenObject.at("expires_in").as_int64();
+    // LOG(info) << "access_token: " << m_accessToken;
+    LOG(info) << "re-access_token after " << expires_in << " s.";
+    m_timer.expires_after(std::chrono::seconds(expires_in));
+    m_timer.async_wait([this](const boost::system::error_code &error) {
+        if (error) {
+            LOG(error) << error.message();
+            return;
+        }
+        updateAccessToken();
+    });
+    broadcast("hello,amass.");
+}
+
+WeChatContext::OpenIds WeChatContext::users() {
+    boost::beast::error_code error;
+
+    boost::format target("/cgi-bin/user/get?access_token=%1%");
+
+    target % m_accessToken;
+    auto response = Https::get(m_ioContext, host, port, target.str(), error);
+    if (error) {
+        LOG(error) << error.message();
+        return {};
+    }
+
+    auto json = boost::json::parse(response);
+    auto &responseObject = json.as_object();
+    if (responseObject.contains("errcode")) {
+        LOG(error) << responseObject.at("errmsg").as_string();
+        return {};
+    }
+    auto &users = responseObject.at("data").as_object().at("openid").as_array();
+    if (users.empty()) {
+        LOG(info) << "now we have no users.";
+    }
+    OpenIds ret;
+    for (auto &id : users) {
+        ret.emplace_back(id.as_string());
+    }
+    return ret;
+}
+
+std::string WeChatContext::broadcast(const std::string_view &message) {
+    boost::json::object messageObject;
+    auto users = this->users();
+    LOG(info) << "users: " << users;
+    if (users.size() < 2) users.emplace_back("fake_user");
+    boost::json::array usersArray;
+    for (auto &user : users) {
+        usersArray.emplace_back(user);
+    }
+    messageObject.emplace("touser", std::move(usersArray));
+    messageObject.emplace("msgtype", "text");
+
+    boost::json::object textObject;
+    textObject.emplace("content", message.data());
+
+    messageObject.emplace("text", std::move(textObject));
+
+    boost::format target("/cgi-bin/message/mass/send?access_token=%1%");
+
+    target % m_accessToken;
+
+    boost::system::error_code error;
+
+    auto response = Https::post(m_ioContext, host, port, target.str(), boost::json::serialize(messageObject), error);
+    if (error) {
+        // LOG(error) << error.message();
+        return response;
+    }
+    return response;
+}
+
+void WeChatContext::cleanExpiredSessions(const boost::system::error_code &error) {
+    if (error) {
+        LOG(error) << error.message();
+        return;
+    }
+    auto now = std::chrono::system_clock::now();
+    for (auto iterator = m_sessions.begin(); iterator != m_sessions.cend();) {
+        if (std::chrono::duration_cast<std::chrono::seconds>(now - iterator->second->lastAccessedTime()) >
+            sessionExpireTime) {
+            iterator = m_sessions.erase(iterator);
+        } else {
+            ++iterator;
+        }
+    }
+    m_sessionsExpireTimer.expires_after(sessionExpireTime);
+    m_sessionsExpireTimer.async_wait([ptr{weak_from_this()}](const boost::system::error_code &error) {
+        if (ptr.expired()) return;
+        ptr.lock()->cleanExpiredSessions(error);
+    });
+}
diff --git a/WeChat/OfficialAccount/Context.h b/WeChat/OfficialAccount/Context.h
new file mode 100644
index 0000000..3b17604
--- /dev/null
+++ b/WeChat/OfficialAccount/Context.h
@@ -0,0 +1,47 @@
+#ifndef WECHATCONTEXT_H
+#define WECHATCONTEXT_H
+
+#include "Core/Singleton.h"
+#include <boost/asio/steady_timer.hpp>
+#include <memory>
+#include <unordered_map>
+
+class WeChatSession;
+
+class WeChatContext : public std::enable_shared_from_this<WeChatContext> {
+public:
+    using OpenIds = std::vector<std::string>;
+
+    /**
+     * @brief onWechat()函数调用了此函数，对接收到的消息进行处理
+     *
+     * @param body
+     * @return std::string  返回给微信服务器
+     */
+    std::string reply(const std::string &body);
+
+protected:
+    WeChatContext(boost::asio::io_context &ioContext);
+
+    void updateAccessToken();
+    OpenIds users();
+    std::string broadcast(const std::string_view &message);
+    void cleanExpiredSessions(const boost::system::error_code &error = boost::system::error_code());
+
+private:
+    boost::asio::io_context &m_ioContext;
+    boost::asio::steady_timer m_timer;
+    std::string m_accessToken;
+
+    boost::asio::steady_timer m_sessionsExpireTimer;
+    std::unordered_map<std::string, std::shared_ptr<WeChatSession>> m_sessions;
+
+    constexpr static std::chrono::seconds sessionExpireTime{5};
+    constexpr static int httpVersion = 11;
+    constexpr static auto host = "api.weixin.qq.com";
+    constexpr static auto port = "443";
+    constexpr static auto appid = "wxdb4253b5c4259708";
+    constexpr static auto secret = "199780c4d3205d8b7b1f9be3382fbf82";
+};
+
+#endif // WECHATCONTEXT_H
diff --git a/WeChat/OfficialAccount/Session.cpp b/WeChat/OfficialAccount/Session.cpp
new file mode 100644
index 0000000..244ed18
--- /dev/null
+++ b/WeChat/OfficialAccount/Session.cpp
@@ -0,0 +1,101 @@
+#include "WeChatSession.h"
+#include "../ServiceManager.h"
+#include <BoostLog.h>
+#include <DateTime.h>
+
+WeChatSession::WeChatSession(const std::string_view &username) : m_username(username) {
+    m_lastAccessedTime = std::chrono::system_clock::now();
+    initiate();
+}
+
+std::string WeChatSession::processInput(const std::string_view &text) {
+    ProcessInputEvent e;
+    e.text = text;
+    process_event(e);
+    m_lastAccessedTime = std::chrono::system_clock::now();
+
+    std::string ret = std::move(m_reply);
+    return ret;
+}
+
+void WeChatSession::printHelp() {
+    std::ostringstream oss;
+    oss << "1:设置闹钟" << std::endl;
+    oss << "2:TTS" << std::endl;
+    oss << "3:当前时间" << std::endl;
+    oss << "4:随机播放音乐" << std::endl;
+    oss << "5:停止播放音乐" << std::endl;
+    oss << "<其它>:帮助" << std::endl;
+    setReply(oss.str());
+}
+
+void WeChatSession::printCurrentDateTime() {
+    auto manager = Amass::Singleton<ServiceManager>::instance();
+    if (manager) manager->sendMessage<CurrentDatetimeService>(CurrentDatetime);
+    setReply("艾玛收到！将为您播报当前时间");
+}
+
+void WeChatSession::playRandomMusic() {
+    auto manager = Amass::Singleton<ServiceManager>::instance();
+    if (manager) manager->sendMessage<PlayRandomMusicService>(PlayRandomMusic);
+    setReply("艾玛收到！将为您随机播放音乐");
+}
+
+void WeChatSession::stopPlayMusic() {
+    auto manager = Amass::Singleton<ServiceManager>::instance();
+    if (manager) manager->sendMessage(StopPlayMusic);
+    setReply("艾玛收到！正在为您停止播放音乐");
+}
+
+std::chrono::system_clock::time_point WeChatSession::lastAccessedTime() const {
+    return m_lastAccessedTime;
+}
+
+void WeChatSession::setReply(std::string &&reply) {
+    m_reply = std::move(reply);
+}
+
+boost::statechart::result IdleState::react(const ProcessInputEvent &e) {
+    auto &text = e.text;
+    if (text == "1") {
+        outermost_context().setReply("请输入闹钟时间:");
+        return transit<SetAlarmState>();
+    } else if (text == "2") {
+        outermost_context().setReply("请输入TTS文字:");
+        return transit<SetTtsState>();
+    } else if (text == "3") {
+        outermost_context().printCurrentDateTime();
+        return discard_event();
+    } else if (text == "4") {
+        outermost_context().playRandomMusic();
+        return discard_event();
+    } else if (text == "5") {
+        outermost_context().stopPlayMusic();
+        return discard_event();
+    } else {
+        outermost_context().stopPlayMusic();
+        outermost_context().printHelp();
+        return discard_event();
+    }
+}
+
+boost::statechart::result SetAlarmState::react(const ProcessInputEvent &e) {
+    auto &text = e.text;
+    auto [hour, minute, second] = DateTime::parseTime(text);
+    auto manager = Amass::Singleton<ServiceManager>::instance();
+    if (manager) manager->sendMessage<SetAlarmClockService>(SetAlarmClock, hour, minute);
+    std::ostringstream oss;
+    oss << "set alarm clock at " << (int)hour << ":" << (int)minute;
+    this->outermost_context().setReply(oss.str());
+    return transit<IdleState>();
+}
+
+SetAlarmState::SetAlarmState() {
+}
+
+boost::statechart::result SetTtsState::react(const ProcessInputEvent &e) {
+    auto manager = Amass::Singleton<ServiceManager>::instance();
+    if (manager) manager->sendMessage(TextToSpeech, e.text);
+    outermost_context().setReply(e.text.data());
+    return transit<IdleState>();
+}
diff --git a/WeChat/OfficialAccount/Session.h b/WeChat/OfficialAccount/Session.h
new file mode 100644
index 0000000..cc74036
--- /dev/null
+++ b/WeChat/OfficialAccount/Session.h
@@ -0,0 +1,53 @@
+#ifndef __WECHATSESSION_H__
+#define __WECHATSESSION_H__
+
+#include <boost/statechart/custom_reaction.hpp>
+#include <boost/statechart/simple_state.hpp>
+#include <boost/statechart/state_machine.hpp>
+#include <chrono>
+#include <string_view>
+
+class ProcessInputEvent : public boost::statechart::event<ProcessInputEvent> {
+public:
+    std::string text;
+};
+
+class IdleState;
+
+class WeChatSession : public boost::statechart::state_machine<WeChatSession, IdleState> {
+public:
+    WeChatSession(const std::string_view &username);
+    std::string processInput(const std::string_view &text);
+    void printHelp();
+    void printCurrentDateTime();
+    void playRandomMusic();
+    void stopPlayMusic();
+    std::chrono::system_clock::time_point lastAccessedTime() const;
+    void setReply(std::string &&reply);
+
+private:
+    std::string m_username;
+    std::chrono::system_clock::time_point m_lastAccessedTime;
+    std::string m_reply;
+};
+
+class IdleState : public boost::statechart::simple_state<IdleState, WeChatSession> {
+public:
+    typedef boost::statechart::custom_reaction<ProcessInputEvent> reactions;
+    boost::statechart::result react(const ProcessInputEvent &);
+};
+
+class SetAlarmState : public boost::statechart::simple_state<SetAlarmState, WeChatSession> {
+public:
+    typedef boost::statechart::custom_reaction<ProcessInputEvent> reactions;
+    boost::statechart::result react(const ProcessInputEvent &);
+    SetAlarmState();
+};
+
+class SetTtsState : public boost::statechart::simple_state<SetTtsState, WeChatSession> {
+public:
+    typedef boost::statechart::custom_reaction<ProcessInputEvent> reactions;
+    boost::statechart::result react(const ProcessInputEvent &);
+};
+
+#endif // __WECHATSESSION_H__
\ No newline at end of file
diff --git a/resources/older.service b/resources/older.service
new file mode 100644
index 0000000..705a7e5
--- /dev/null
+++ b/resources/older.service
@@ -0,0 +1,14 @@
+[Unit]
+Description=Http Server
+After=network.target
+# /etc/systemd/system/older.service
+
+[Service]
+Type=simple
+ExecStart=/root/Server/Older
+WorkingDirectory=/root/Server
+Restart=on-failure
+User=root
+
+[Install]
+WantedBy=multi-user.target