diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0160439..330bff8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -39,6 +39,16 @@ add_executable(seadisk src/main.cpp
         include/seafile/exception.hpp
         include/seafile/server_info.hpp
         include/seafile/auth_token.hpp
+        include/seafile/default_repo.hpp
+        include/seafile/token_type.hpp
+        include/seafile/repo_info.hpp
+        include/seafile/repo_entry.hpp
+        include/seafile/account_info.hpp
+        include/seafile/file_info.hpp
+        include/seafile/dir_info.hpp
+        include/seafile/fs/file_context.hpp
+        include/seafile/fs/seafile_file_system.hpp
+        src/seafile/fs/seafile_file_system.cpp
 )
 
 target_compile_definitions(seadisk PRIVATE
diff --git a/include/seafile/account_info.hpp b/include/seafile/account_info.hpp
new file mode 100644
index 0000000..ad83c5a
--- /dev/null
+++ b/include/seafile/account_info.hpp
@@ -0,0 +1,74 @@
+//
+// Created by Shell on 2026-06-18.
+//
+
+#ifndef SEADISK_ACCOUNT_INFO_HPP
+#define SEADISK_ACCOUNT_INFO_HPP
+#include <string>
+#include <nlohmann/json.hpp>
+
+namespace seafile
+{
+    /**
+ * @brief Seafile user profile information.
+ */
+    struct AccountInfo final
+    {
+        /// Space usage percentage.
+        std::string space_usage;
+
+        /// User avatar URL.
+        std::string avatar_url;
+
+        /// Login email address.
+        std::string email;
+
+        /// Display name.
+        std::string name;
+
+        /// Total available storage space in bytes.
+        std::uint64_t total{};
+
+        /// Used storage space in bytes.
+        std::uint64_t usage{};
+
+        /// Login identifier.
+        std::string login_id;
+
+        /// User department.
+        std::string department;
+
+        /// Contact email address.
+        std::string contact_email;
+
+        /// Institution or organization name.
+        std::string institution;
+
+        /// Indicates whether the user is a staff member.
+        bool is_staff{};
+
+        /// File update notification interval.
+        int file_updates_email_interval{};
+
+        /// Collaboration notification interval.
+        int collaborate_email_interval{};
+
+        NLOHMANN_DEFINE_TYPE_INTRUSIVE_WITH_DEFAULT(
+            AccountInfo,
+            space_usage,
+            avatar_url,
+            email,
+            name,
+            total,
+            usage,
+            login_id,
+            department,
+            contact_email,
+            institution,
+            is_staff,
+            file_updates_email_interval,
+            collaborate_email_interval)
+    };
+}
+
+#endif //SEADISK_ACCOUNT_INFO_HPP
diff --git a/include/seafile/default_repo.hpp b/include/seafile/default_repo.hpp
new file mode 100644
index 0000000..8f12a88
--- /dev/null
+++ b/include/seafile/default_repo.hpp
@@ -0,0 +1,32 @@
+//
+// Created by Shell on 2026-06-18.
+//
+
+#ifndef SEADISK_DEFAULT_REPO_HPP
+#define SEADISK_DEFAULT_REPO_HPP
+#include <optional>
+#include <string>
+#include <nlohmann/json.hpp>
+
+namespace seafile
+{
+    /**
+     * default repo response
+     */
+    struct DefaultRepo final
+    {
+        /**
+         * indicates if default repo exists
+         */
+        bool exists = false;
+
+        /**
+         * default repo id
+         */
+        std::optional<std::string> repo_id;
+
+        NLOHMANN_DEFINE_TYPE_INTRUSIVE_WITH_DEFAULT(DefaultRepo, exists, repo_id);
+    };
+}
+
+#endif //SEADISK_DEFAULT_REPO_HPP
diff --git a/include/seafile/dir_info.hpp b/include/seafile/dir_info.hpp
new file mode 100644
index 0000000..2b9fc38
--- /dev/null
+++ b/include/seafile/dir_info.hpp
@@ -0,0 +1,40 @@
+//
+// Created by Shell on 2026-06-18.
+//
+
+#ifndef SEADISK_DIR_INFO_HPP
+#define SEADISK_DIR_INFO_HPP
+#include <string>
+#include <nlohmann/json.hpp>
+namespace seafile
+{
+    /**
+     * @brief Repository directory information.
+     */
+    struct DirInfo final
+    {
+        /// Repository identifier.
+        std::string repo_id;
+
+        /// Full directory path within the repository.
+        std::string path;
+
+        /// Directory name.
+        std::string name;
+
+        /// Last modification time in ISO 8601 format.
+        std::string mtime;
+
+        /// Current user's permission (e.g. "r", "rw").
+        std::string permission;
+
+        NLOHMANN_DEFINE_TYPE_INTRUSIVE_WITH_DEFAULT(
+            DirInfo,
+            repo_id,
+            path,
+            name,
+            mtime,
+            permission)
+    };
+}
+#endif //SEADISK_DIR_INFO_HPP
diff --git a/include/seafile/file_info.hpp b/include/seafile/file_info.hpp
new file mode 100644
index 0000000..4b4f10d
--- /dev/null
+++ b/include/seafile/file_info.hpp
@@ -0,0 +1,74 @@
+//
+// Created by Shell on 2026-06-18.
+//
+
+#ifndef SEADISK_FILE_INFO_HPP
+#define SEADISK_FILE_INFO_HPP
+#include <cstdint>
+#include <string>
+#include <nlohmann/json.hpp>
+
+namespace seafile
+{
+    /**
+     * @brief Detailed file metadata.
+     */
+    struct FileInfo final
+    {
+        /// Object type, usually "file".
+        std::string type;
+
+        /// File object identifier.
+        std::string id;
+
+        /// File name.
+        std::string name;
+
+        /// Current user's permission (e.g. "r", "rw").
+        std::string permission;
+
+        /// Last modification time (Unix timestamp, seconds).
+        std::int64_t mtime{};
+
+        /// Last modification time in ISO 8601 format.
+        std::string last_modified;
+
+        /// Internal email address of the last modifier.
+        std::string last_modifier_email;
+
+        /// Display name of the last modifier.
+        std::string last_modifier_name;
+
+        /// Contact email address of the last modifier.
+        std::string last_modifier_contact_email;
+
+        /// File size in bytes.
+        std::uint64_t size{};
+
+        /// Whether the file is starred by the current user.
+        bool starred{};
+
+        /// Total number of comments.
+        std::uint32_t comment_total{};
+
+        /// Whether the current user can edit the file.
+        bool can_edit{};
+
+        NLOHMANN_DEFINE_TYPE_INTRUSIVE(
+            FileInfo,
+            type,
+            id,
+            name,
+            permission,
+            mtime,
+            last_modified,
+            last_modifier_email,
+            last_modifier_name,
+            last_modifier_contact_email,
+            size,
+            starred,
+            comment_total,
+            can_edit)
+    };
+}
+#endif //SEADISK_FILE_INFO_HPP
diff --git a/include/seafile/fs/file_context.hpp b/include/seafile/fs/file_context.hpp
new file mode 100644
index 0000000..aace52e
--- /dev/null
+++ b/include/seafile/fs/file_context.hpp
@@ -0,0 +1,21 @@
+//
+// Created by Shell on 2026-06-18.
+//
+
+#ifndef SEADISK_FILE_CONTEXT_HPP
+#define SEADISK_FILE_CONTEXT_HPP
+#include <string>
+namespace seafile::fs
+{
+    struct FileContext final
+    {
+        std::string repo_id;
+        std::string path;
+
+        uint64_t size{};
+
+        std::string download_url;
+    };
+}
+
+#endif //SEADISK_FILE_CONTEXT_HPP
diff --git a/include/seafile/fs/seafile_file_system.hpp b/include/seafile/fs/seafile_file_system.hpp
new file mode 100644
index 0000000..fcac8f5
--- /dev/null
+++ b/include/seafile/fs/seafile_file_system.hpp
@@ -0,0 +1,69 @@
+//
+// Created by Shell on 2026-06-18.
+//
+
+#ifndef SEADISK_SEAFILE_FILE_SYSTEM_HPP
+#define SEADISK_SEAFILE_FILE_SYSTEM_HPP
+#include <string>
+#include <winfsp/winfsp.h>
+
+#include "seafile/seafile_api.hpp"
+#include "seafile/token_type.hpp"
+
+namespace seafile::fs
+{
+    class SeafileFileSystem final
+    {
+        std::string repo_id;
+        std::string token;
+        TokenType token_type = TokenType::TOKEN;
+        SeaFileApi api;
+        std::wstring mount_point;
+        FSP_FILE_SYSTEM* FileSystem = nullptr;
+
+    public:
+        explicit SeafileFileSystem(const std::string& server,
+                                   const std::wstring& mount_point) : api(server), mount_point(mount_point)
+        {
+        }
+
+        void auth(const std::string& username, const std::string& password);
+
+        SeafileFileSystem(const SeafileFileSystem&) = delete;
+        SeafileFileSystem(SeafileFileSystem&&) = delete;
+        SeafileFileSystem& operator=(const SeafileFileSystem&) = delete;
+        SeafileFileSystem& operator=(SeafileFileSystem&&) = delete;
+
+        NTSTATUS SvcStart(FSP_SERVICE* Service, ULONG argc, PWSTR* argv);
+
+        NTSTATUS SvcStop(FSP_SERVICE* Service);
+
+        NTSTATUS GetVolumeInfo(FSP_FSCTL_VOLUME_INFO* VolumeInfo);
+
+        NTSTATUS SetVolumeLabel_(PWSTR VolumeLabel,
+                                 FSP_FSCTL_VOLUME_INFO* VolumeInfo);
+
+        NTSTATUS GetSecurityByName(PWSTR FileName,
+                                   PUINT32 PFileAttributes,
+                                   PSECURITY_DESCRIPTOR SecurityDescriptor,
+                                   SIZE_T* PSecurityDescriptorSize);
+
+        NTSTATUS Open(
+            PWSTR FileName,
+            UINT32 CreateOptions,
+            UINT32 GrantedAccess,
+            PVOID* PFileContext,
+            FSP_FSCTL_FILE_INFO* FileInfo);
+
+        NTSTATUS GetFileInfoInternal(HANDLE Handle, FSP_FSCTL_FILE_INFO* FileInfo);
+
+
+        VOID Close(FSP_FILE_SYSTEM* FileSystem,
+                   PVOID FileContext0);
+
+        NTSTATUS ReadDirectory(FSP_FILE_SYSTEM* FileSystem,
+                               PVOID FileContext0, PWSTR Pattern, PWSTR Marker,
+                               PVOID Buffer, ULONG BufferLength, PULONG PBytesTransferred);
+    };
+}
+#endif //SEADISK_SEAFILE_FILE_SYSTEM_HPP
diff --git a/include/seafile/repo_entry.hpp b/include/seafile/repo_entry.hpp
new file mode 100644
index 0000000..0d4e605
--- /dev/null
+++ b/include/seafile/repo_entry.hpp
@@ -0,0 +1,78 @@
+//
+// Created by Shell on 2026-06-18.
+//
+
+#ifndef SEADISK_REPO_ENTRY_HPP
+#define SEADISK_REPO_ENTRY_HPP
+#include <optional>
+#include <string>
+#include <nlohmann/json.hpp>
+
+namespace seafile
+{
+    /**
+ * @brief File or directory entry metadata.
+ */
+    struct RepoEntry final
+    {
+        /// Entry type ("file" or "dir").
+        std::string type;
+
+        /// File or directory name.
+        std::string name;
+
+        /// Object identifier.
+        std::string id;
+
+        /// Last modification time (Unix timestamp, seconds).
+        std::int64_t mtime{};
+
+        /// Internal email address of the last modifier.
+        std::optional<std::string> modifier_email;
+
+        /// File size in bytes. For directories this may be 0.
+        std::optional<std::uint64_t> size{};
+
+        /// Whether the file is currently locked.
+        std::optional<bool> is_locked{};
+
+        /// Lock owner email or identifier. Null if unlocked.
+        std::optional<std::string> lock_owner;
+
+        /// Lock timestamp (Unix timestamp, seconds).
+        std::optional<std::int64_t> lock_time{};
+
+        /// Whether the current user owns the lock.
+        std::optional<bool> locked_by_me{};
+
+        /// Current user's permission (e.g. "r", "rw").
+        std::optional<std::string> permission;
+
+        /// Contact email address of the last modifier.
+        std::optional<std::string> modifier_contact_email;
+
+        /// Display name of the last modifier.
+        std::optional<std::string> modifier_name;
+
+        /// Whether the entry is starred by the current user.
+        std::optional<bool> starred{};
+
+        NLOHMANN_DEFINE_TYPE_INTRUSIVE_WITH_DEFAULT(
+            RepoEntry,
+            modifier_email,
+            size,
+            is_locked,
+            lock_owner,
+            lock_time,
+            locked_by_me,
+            type,
+            name,
+            id,
+            mtime,
+            permission,
+            modifier_contact_email,
+            modifier_name,
+            starred);
+    };
+}
+#endif //SEADISK_REPO_ENTRY_HPP
diff --git a/include/seafile/repo_info.hpp b/include/seafile/repo_info.hpp
new file mode 100644
index 0000000..2a0e234
--- /dev/null
+++ b/include/seafile/repo_info.hpp
@@ -0,0 +1,94 @@
+//
+// Created by Shell on 2026-06-18.
+//
+
+#ifndef SEADISK_REPO_INFO_HPP
+#define SEADISK_REPO_INFO_HPP
+#include <cstdint>
+#include <string>
+#include <nlohmann/json.hpp>
+
+namespace seafile
+{
+    /**
+     *@brief Seafile repository metadata.
+     */
+    struct RepoInfo final
+    {
+        /// Object type, usually "repo".
+        std::string type;
+
+        /// Repository UUID.
+        std::string id;
+
+        /// Repository owner identifier.
+        std::string owner;
+
+        /// Repository name.
+        std::string name;
+
+        /// Last modification time (Unix timestamp, seconds).
+        std::int64_t mtime{};
+
+        /// Repository size in bytes.
+        std::uint64_t size{};
+
+        /// Indicates whether the repository is encrypted.
+        bool encrypted{};
+
+        /// Root directory object ID.
+        std::string root;
+
+        /// Current user's permission (e.g. "r", "rw").
+        std::string permission;
+
+        /// Internal email address of the last modifier.
+        std::string modifier_email;
+
+        /// Contact email address of the last modifier.
+        std::string modifier_contact_email;
+
+        /// Display name of the last modifier.
+        std::string modifier_name;
+
+        /// Total number of files in the repository.
+        std::uint64_t file_count{};
+
+        /// Head commit identifier.
+        std::string head_commit_id;
+
+        /// Repository encryption version.
+        int enc_version{};
+
+        /// Encryption salt.
+        std::string salt;
+
+        /// Encryption magic value.
+        std::string magic;
+
+        /// Repository random key.
+        std::string random_key;
+
+        NLOHMANN_DEFINE_TYPE_INTRUSIVE_WITH_DEFAULT(
+            RepoInfo,
+            type,
+            id,
+            owner,
+            name,
+            mtime,
+            size,
+            encrypted,
+            root,
+            permission,
+            modifier_email,
+            modifier_contact_email,
+            modifier_name,
+            file_count,
+            head_commit_id,
+            enc_version,
+            salt,
+            magic,
+            random_key)
+    };
+}
+#endif //SEADISK_REPO_INFO_HPP
diff --git a/include/seafile/seafile_api.hpp b/include/seafile/seafile_api.hpp
index 699cc44..143ba90 100644
--- a/include/seafile/seafile_api.hpp
+++ b/include/seafile/seafile_api.hpp
@@ -13,61 +13,84 @@
 #include <ada.h>
 #include <cpr/cpr.h>
 
+#include "account_info.hpp"
 #include "auth_token.hpp"
+#include "default_repo.hpp"
+#include "file_info.hpp"
+#include "repo_entry.hpp"
+#include "repo_info.hpp"
 #include "server_info.hpp"
+#include "token_type.hpp"
 
-namespace seafile {
-    class SeaFileApi final {
+namespace seafile
+{
+    class SeaFileApi final
+    {
         //base url of the seafile api server
         std::string base_url;
 
         /**
-         * make a url string from given path
+         * @brief make a url string from given path
          * @param path url path
          * @return the whole url string
          */
-        std::string makeUrl(const std::string &path) {
+        [[nodiscard]] std::string makeUrl(const std::string& path) const
+        {
             auto url = ada::parse(this->base_url);
             url->set_pathname(path);
             return std::string(url->get_href());
         }
 
-        template<typename T>
-        tl::expected<T, SeafileException>
-        parseResponse(const cpr::Response &response) {
-            if (response.error) {
+        template <typename T>
+        static tl::expected<T, SeafileException>
+        parseResponse(const cpr::Response& response)
+        {
+            if (response.error)
+            {
                 return tl::make_unexpected(
                     SeafileException(
                         response.error.message));
             }
 
-            if (response.status_code != 200) {
+            if (response.status_code != 200)
+            {
                 return tl::make_unexpected(
                     SeafileException(
                         std::format("Http Error: {}",
                                     response.status_code)));
             }
 
-            try {
+            try
+            {
                 return nlohmann::json::parse(response.text)
-                        .get<T>();
-            } catch (const std::exception &e) {
+                    .get<T>();
+            }
+            catch (const std::exception& e)
+            {
                 return tl::make_unexpected(
                     SeafileException(e.what()));
             }
         }
 
+        static std::string makeAuthToken(const std::string& token, const TokenType& token_type)
+        {
+            return token_type == TokenType::BEARER
+                       ? std::format("Bearer {}", token)
+                       : std::format("Token {}", token);
+        }
+
         /**
-         * post body and fetch result
+         * @brief post body and fetch result
          * @tparam T return type
          * @param path target url path
          * @param body post body data
          * @return T if success else SeafileException
          */
-        template<typename T>
-        tl::expected<T, SeafileException> post(const std::string &path, const nlohmann::json &body) {
+        template <typename T>
+        tl::expected<T, SeafileException> post(const std::string& path, const nlohmann::json& body)
+        {
             const auto url = makeUrl(path);
-            auto response = cpr::Post(
+            const auto response = cpr::Post(
                 cpr::Url{url},
                 cpr::Header{
                     {"accept", "application/json"},
@@ -78,20 +101,22 @@ namespace seafile {
 
     public:
         /**
-         * primary constructor
+         * @brief primary constructor
          * @param base_url base url of seafile server
          */
-        explicit SeaFileApi(std::string base_url) : base_url(std::move(base_url)) {
+        explicit SeaFileApi(std::string base_url) : base_url(std::move(base_url))
+        {
         }
 
         /**
-         *
+         * @brief Obtain account token
          * @param username username
          * @param password password
          * @return token when success else SeafileException
          */
         tl::expected<AuthToken, SeafileException>
-        authToken(const std::string &username, const std::string &password) {
+        authToken(const std::string& username, const std::string& password)
+        {
             const nlohmann::json body = {
                 {"username", username},
                 {"password", password}
@@ -100,8 +125,9 @@ namespace seafile {
         }
 
         tl::expected<ServerInfo, SeafileException>
-        serverInfo() {
-            auto response = cpr::Get(
+        serverInfo() const
+        {
+            const auto response = cpr::Get(
                 cpr::Url{makeUrl("/api2/server-info/")},
                 cpr::Header{
                     {"accept", "application/json"}
@@ -109,6 +135,143 @@ namespace seafile {
 
             return parseResponse<ServerInfo>(response);
         }
+
+        /**
+         * @brief get the default repo of user
+         * @param token token
+         * @param token_type token type
+         * @return default repo info
+         */
+        tl::expected<DefaultRepo, SeafileException>
+        defaultRepo(const std::string& token, const TokenType token_type) const
+        {
+            const auto auth = makeAuthToken(token, token_type);
+            const auto url = makeUrl("/api2/default-repo/");
+            const auto response = cpr::Get(cpr::Url{url},
+                                           cpr::Header{
+                                               {"accept", "application/json"},
+                                               {"authorization", auth}
+                                           });
+            return parseResponse<DefaultRepo>(response);
+        }
+
+        tl::expected<RepoInfo, SeafileException>
+        repoInfo(const std::string& repo_id, const std::string& token, const TokenType token_type) const
+        {
+            const auto url = makeUrl(std::format("/api2/repos/{}/", repo_id));
+            const auto auth = makeAuthToken(token, token_type);
+
+            const auto response = cpr::Get(cpr::Url{url},
+                                           cpr::Header{
+                                               {"accept", "application/json"},
+                                               {"authorization", auth}
+                                           });
+            return parseResponse<RepoInfo>(response);
+        }
+
+        /**
+         * @brief Lists all the items information in the directory
+         * @param repo_id repo id
+         * @param path path to query
+         * @param token token
+         * @param token_type token type
+         * @return repo entries
+         */
+        tl::expected<std::vector<RepoEntry>, SeafileException>
+        repoDir(const std::string& repo_id, const std::string& path, const std::string& token,
+                const TokenType token_type) const
+        {
+            const auto url = cpr::Url{makeUrl(std::format("/api2/repos/{}/dir/", repo_id))};
+            const auto auth = makeAuthToken(token, token_type);
+
+            const auto response = cpr::Get(url,
+                                           cpr::Header{
+                                               {"accept", "application/json"},
+                                               {"authorization", auth}
+                                           },
+                                           cpr::Parameters{
+                                               {"p", path}
+                                           });
+            return parseResponse<std::vector<RepoEntry>>(response);
+        }
+
+        tl::expected<AccountInfo, SeafileException>
+        accountInfo(const std::string& token,
+                    const TokenType token_type) const
+        {
+            const auto url = cpr::Url{makeUrl("/api2/account/info/")};
+            const auto auth = makeAuthToken(token, token_type);
+
+            const auto response = cpr::Get(url,
+                                           cpr::Header{
+                                               {"accept", "application/json"},
+                                               {"authorization", auth}
+                                           });
+            return parseResponse<AccountInfo>(response);
+        }
+
+        tl::expected<FileInfo, SeafileException>
+        fileDetail(const std::string& repo_id, const std::string& path, const std::string& token,
+                   const TokenType token_type) const
+        {
+            const auto url = cpr::Url{makeUrl(std::format("/api2/repos/{}/file/detail/", repo_id))};
+            const auto auth = makeAuthToken(token, token_type);
+
+            const auto response = cpr::Get(url,
+                                           cpr::Header{
+                                               {"accept", "application/json"},
+                                               {"authorization", auth}
+                                           }, cpr::Parameters{
+                                               {"p", path}
+                                           });
+            return parseResponse<FileInfo>(response);
+        }
+
+        tl::expected<std::string, SeafileException>
+        downloadFileUrl(const std::string& repo_id, const std::string& path, const std::string& token,
+                        const TokenType token_type) const
+        {
+            const auto auth = makeAuthToken(token, token_type);
+            const auto url = cpr::Url{makeUrl(std::format("/api2/repos/{}/file/", repo_id))};
+            const auto response = cpr::Get(url,
+                                           cpr::Header{
+                                               {"accept", "application/json"},
+                                               {"authorization", auth}
+                                           }, cpr::Parameters{
+                                               {"p", path}
+                                           });
+            return parseResponse<std::string>(response);
+        }
+
+
+        tl::expected<std::string, SeafileException>
+        downloadFile(const std::string& repo_id,
+                     const std::string& path,
+                     const std::optional<size_t> start,
+                     const std::optional<size_t> end,
+                     const std::string& token,
+                     const TokenType token_type) const
+        {
+            if (const auto download_url = downloadFileUrl(repo_id, path, token, token_type); download_url.has_value())
+            {
+                const auto auth = makeAuthToken(token, token_type);
+                const auto url = cpr::Url{download_url.value()};
+                auto header = cpr::Header{
+                    {"authorization", auth}
+                };
+                const auto range = std::format(
+                    "bytes={}-{}",
+                    start ? std::to_string(*start) : "",
+                    end ? std::to_string(*end) : "");
+                header.emplace("range", std::move(range));
+                const auto response = cpr::Get(url, header);
+                return parseResponse<std::string>(response);
+            }
+            else
+            {
+                return download_url;
+            }
+        }
     };
 }
 
diff --git a/include/seafile/server_info.hpp b/include/seafile/server_info.hpp
index 162cdcd..1c49444 100644
--- a/include/seafile/server_info.hpp
+++ b/include/seafile/server_info.hpp
@@ -25,7 +25,7 @@ namespace seafile {
          */
         std::vector<std::string> features;
 
-        NLOHMANN_DEFINE_TYPE_INTRUSIVE(ServerInfo, version, encrypted_library_version, features);
+        NLOHMANN_DEFINE_TYPE_INTRUSIVE_WITH_DEFAULT(ServerInfo, version, encrypted_library_version, features);
     };
 }
 
diff --git a/include/seafile/token_type.hpp b/include/seafile/token_type.hpp
new file mode 100644
index 0000000..7899095
--- /dev/null
+++ b/include/seafile/token_type.hpp
@@ -0,0 +1,15 @@
+//
+// Created by Shell on 2026-06-18.
+//
+
+#ifndef SEADISK_TOKEN_TYPE_HPP
+#define SEADISK_TOKEN_TYPE_HPP
+namespace seafile
+{
+    enum class TokenType
+    {
+        TOKEN,
+        BEARER
+    };
+}
+#endif //SEADISK_TOKEN_TYPE_HPP
diff --git a/src/main.cpp b/src/main.cpp
index 44df8c9..fec37df 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,15 +1,52 @@
 #include "seafile/seafile_api.hpp"
-#include <iostream>
+#include <winfsp/winfsp.h>
 
-int main(int argc,char** argv) {
-    seafile::SeaFileApi api("https://pan.hanwangsoft.com/");
-    if (const auto token = api.authToken("asypost@yeah.net","Shell0805@china"); token.has_value()) {
-        std::cout<<token.value<seafile::AuthToken>().token<<std::endl;
-    }else {
-        std::cout<<token.error().what()<<std::endl;
+#include "seafile/fs/seafile_file_system.hpp"
+using namespace seafile::fs;
+
+static std::shared_ptr<SeafileFileSystem> file_system = nullptr;
+
+static NTSTATUS GetVolumeInfo(
+    FSP_FILE_SYSTEM* FileSystem,
+    FSP_FSCTL_VOLUME_INFO* VolumeInfo)
+{
+    const auto fs = static_cast<SeafileFileSystem*>(FileSystem->UserContext);
+
+    return fs->GetVolumeInfo(VolumeInfo);
+}
+
+static FSP_FILE_SYSTEM_INTERFACE seafile_interface = {
+    .GetVolumeInfo = GetVolumeInfo
+};
+
+static
+NTSTATUS SvcStart(FSP_SERVICE* Service, ULONG argc, PWSTR* argv) // (2)
+{
+    if (file_system)
+    {
+        return file_system->SvcStart(Service, argc, argv);
     }
-    if (const auto server = api.serverInfo(); server.has_value()) {
-        std::cout<<server.value<seafile::ServerInfo>().version<<std::endl;
+    return STATUS_NOT_IMPLEMENTED;
+}
+
+static
+NTSTATUS SvcStop(FSP_SERVICE* Service) // (3)
+{
+    if (file_system)
+    {
+        return file_system->SvcStop(Service);
     }
-    return 0;
-}
\ No newline at end of file
+    return STATUS_NOT_IMPLEMENTED;
+}
+
+int wmain(int argc, wchar_t** argv)
+{
+    if (!NT_SUCCESS(FspLoad(nullptr)))
+        return ERROR_DELAY_LOAD_FAILED;
+
+    file_system = std::make_shared<SeafileFileSystem>(std::wstring("X:"));
+
+    file_system->auth("asypost@yeah.net","Shell0805@china");
+
+    return FspServiceRun(const_cast<PWSTR>(L"SeaDisk"), SvcStart, SvcStop, nullptr);
+}
diff --git a/src/seafile/fs/seafile_file_system.cpp b/src/seafile/fs/seafile_file_system.cpp
new file mode 100644
index 0000000..d1b4c36
--- /dev/null
+++ b/src/seafile/fs/seafile_file_system.cpp
@@ -0,0 +1,16 @@
+//
+// Created by Shell on 2026-06-18.
+//
+
+#include "seafile/fs/seafile_file_system.hpp"
+
+namespace seafile::fs
+{
+    void SeafileFileSystem::auth(const std::string& username, const std::string& password)
+    {
+        if (const auto authToken = api.authToken(username, password); authToken.has_value())
+        {
+            this->token = authToken.value().token;
+        }
+    }
+}