diff --git a/Windows/CS/Framework4.0/BootLoader/Cargo.lock b/Windows/CS/Framework4.0/BootLoader/Cargo.lock
new file mode 100644
index 0000000..3461d63
--- /dev/null
+++ b/Windows/CS/Framework4.0/BootLoader/Cargo.lock
@@ -0,0 +1,162 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "BootLoader"
+version = "0.1.0"
+dependencies = [
+ "windows",
+]
+
+[[package]]
+name = "proc-macro2"
+version = "1.0.106"
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+checksum = "8fd00f0bb2e90d81d1044c2b32617f68fcb9fa3bb7640c23e9c748e53fb30934"
+dependencies = [
+ "unicode-ident",
+]
+
+[[package]]
+name = "quote"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41f2619966050689382d2b44f664f4bc593e129785a36d6ee376ddf37259b924"
+dependencies = [
+ "proc-macro2",
+]
+
+[[package]]
+name = "syn"
+version = "2.0.117"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e665b8803e7b1d2a727f4023456bbbbe74da67099c585258af0ad9c5013b9b99"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "unicode-ident"
+version = "1.0.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6e4313cd5fcd3dad5cafa179702e2b244f760991f45397d14d4ebf38247da75"
+
+[[package]]
+name = "windows"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1de69df01bdf1ead2f4ac895dc77c9351aefff65b2f3db429a343f9cbf05e132"
+dependencies = [
+ "windows-core",
+ "windows-targets",
+]
+
+[[package]]
+name = "windows-core"
+version = "0.56.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4698e52ed2d08f8658ab0c39512a7c00ee5fe2688c65f8c0a4f06750d729f2a6"
+dependencies = [
+ "windows-implement",
+ "windows-interface",
+ "windows-result",
+ "windows-targets",
+]
+
+[[package]]
+name = "windows-implement"
+version = "0.56.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f6fc35f58ecd95a9b71c4f2329b911016e6bec66b3f2e6a4aad86bd2e99e2f9b"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "windows-interface"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08990546bf4edef8f431fa6326e032865f27138718c587dc21bc0265bbcb57cc"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "windows-result"
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+checksum = "5e383302e8ec8515204254685643de10811af0ed97ea37210dc26fb0032647f8"
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+ "windows-targets",
+]
+
+[[package]]
+name = "windows-targets"
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+checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
+dependencies = [
+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_gnullvm",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
+]
+
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
+
+[[package]]
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+checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
+
+[[package]]
+name = "windows_i686_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
diff --git a/Windows/CS/Framework4.0/BootLoader/Cargo.toml b/Windows/CS/Framework4.0/BootLoader/Cargo.toml
new file mode 100644
index 0000000..2289934
--- /dev/null
+++ b/Windows/CS/Framework4.0/BootLoader/Cargo.toml
@@ -0,0 +1,7 @@
+[package]
+name = "BootLoader"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+windows = { version = "0.56", features = ["Win32_System_Console", "Win32_Foundation", "Win32_System_ProcessStatus"] }
diff --git a/Windows/CS/Framework4.0/BootLoader/src/main.rs b/Windows/CS/Framework4.0/BootLoader/src/main.rs
new file mode 100644
index 0000000..e513d36
--- /dev/null
+++ b/Windows/CS/Framework4.0/BootLoader/src/main.rs
@@ -0,0 +1,70 @@
+use std::fs;
+use std::process::Command;
+use std::thread::sleep;
+use std::time::Duration;
+use windows::Win32::System::Console;
+use windows::Win32::Foundation::HWND;
+
+fn hide_console() {
+    unsafe {
+        let console = Console::GetConsoleWindow();
+        if console != HWND::default() {
+            let _ = Console::FreeConsole();
+        }
+    }
+}
+
+fn main() {
+    // 隐藏控制台窗口
+    hide_console();
+    
+    // 获取 BootLoader 启动目录所在盘的 AppData 目录
+    let appdata_dir = get_appdata_dir();
+    
+    // 构建 Updater 相关文件路径
+    let updater_exe = appdata_dir.join("Updater.exe");
+    let updater_new_exe = appdata_dir.join("Updater.new.exe");
+    
+    // 等待 Updater 进程退出
+    wait_for_process_exit("Updater.exe");
+    
+    // 检查 Updater.new.exe 是否存在
+    if updater_new_exe.exists() {
+        // 直接覆盖 Updater.exe（fs::rename 在 Windows 上会自动替换已存在的文件）
+        fs::rename(&updater_new_exe, &updater_exe).expect("Failed to rename Updater.new.exe to Updater.exe");
+    }
+    
+    // 启动 Updater.exe
+    Command::new(updater_exe)
+        .spawn()
+        .expect("Failed to start Updater.exe");
+}
+
+fn get_appdata_dir() -> std::path::PathBuf {
+    let exe_path = std::env::current_exe().expect("Failed to get executable path");
+    let drive = if let Some(parent) = exe_path.parent() {
+        let drive = parent.as_os_str().to_str().unwrap_or("C:/").split('\\').next().unwrap_or("C:");
+        std::path::Path::new(&format!("{}/", drive)).to_path_buf()
+    } else {
+        std::path::Path::new("C:/").to_path_buf()
+    };
+    drive.join("AppData").join("Updater")
+}
+
+fn wait_for_process_exit(process_name: &str) {
+    loop {
+        // 使用 tasklist 命令检查进程是否存在
+        let output = Command::new("tasklist")
+            .args(["/FI", &format!("IMAGENAME eq {}", process_name)])
+            .output()
+            .expect("Failed to execute tasklist");
+        
+        let output_str = String::from_utf8_lossy(&output.stdout);
+        if !output_str.contains(process_name) {
+            break;
+        }
+        
+        // 等待 100 毫秒后再次检查
+        sleep(Duration::from_millis(100));
+    }
+}
diff --git a/Windows/CS/Framework4.0/BootLoader/target/.rustc_info.json b/Windows/CS/Framework4.0/BootLoader/target/.rustc_info.json
new file mode 100644
index 0000000..93bee1d
--- /dev/null
+++ b/Windows/CS/Framework4.0/BootLoader/target/.rustc_info.json
@@ -0,0 +1 @@
+{"rustc_fingerprint":17656983458485528297,"outputs":{"7971740275564407648":{"success":true,"status":"","code":0,"stdout":"___.exe\nlib___.rlib\n___.dll\n___.dll\n___.lib\n___.dll\nC:\\Users\\xyzqm\\.rustup\\toolchains\\stable-x86_64-pc-windows-msvc\npacked\n___\ndebug_assertions\npanic=\"unwind\"\nproc_macro\ntarget_abi=\"\"\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"msvc\"\ntarget_family=\"windows\"\ntarget_feature=\"cmpxchg16b\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_feature=\"sse3\"\ntarget_has_atomic=\"128\"\ntarget_has_atomic=\"16\"\ntarget_has_atomic=\"32\"\ntarget_has_atomic=\"64\"\ntarget_has_atomic=\"8\"\ntarget_has_atomic=\"ptr\"\ntarget_os=\"windows\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"pc\"\nwindows\n","stderr":""},"17747080675513052775":{"success":true,"status":"","code":0,"stdout":"rustc 1.94.1 (e408947bf 2026-03-25)\nbinary: rustc\ncommit-hash: e408947bfd200af42db322daf0fadfe7e26d3bd1\ncommit-date: 2026-03-25\nhost: x86_64-pc-windows-msvc\nrelease: 1.94.1\nLLVM version: 21.1.8\n","stderr":""}},"successes":{}}
\ No newline at end of file
diff --git a/Windows/CS/Framework4.0/BootLoader/target/CACHEDIR.TAG b/Windows/CS/Framework4.0/BootLoader/target/CACHEDIR.TAG
new file mode 100644
index 0000000..20d7c31
--- /dev/null
+++ b/Windows/CS/Framework4.0/BootLoader/target/CACHEDIR.TAG
@@ -0,0 +1,3 @@
+Signature: 8a477f597d28d172789f06886806bc55
+# This file is a cache directory tag created by cargo.
+# For information about cache directory tags see https://bford.info/cachedir/