diff --git a/Jenkinsfile b/Jenkinsfile
index 9995700..07858b3 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -11,30 +11,40 @@ properties([
 
 
 node('ccis') {
-    stage('Setup Environment') {
-        cleanWs()
-        checkout scm
-        def image = docker.build('cureos-builder', '.')
-        env.IMAGE_ID = image.id
-    }
-    
-    stage('Build with Make') {
-        docker.image(env.IMAGE_ID).inside("--user jenkins") {
-            sh '''
-                echo "=== Environment Check ==="
-                rustc --version
-                cargo --version
-                make --version
-                
-                echo ""
-                echo "=== Building with Make ==="
-                make all
-            '''
+    try{
+        stage('Setup Environment') {
+            cleanWs()
+            checkout scm
+            def image = docker.build('cureos-builder', '.')
+            env.IMAGE_ID = image.id
         }
-    }
-    
-    stage('Archive') {
-        archiveArtifacts artifacts: 'build/**/*.img, bin/**/*',
-                        fingerprint: true
+
+        stage('Build with Make') {
+            docker.image(env.IMAGE_ID).inside("--user jenkins") {
+                sh '''
+                    echo "=== Environment Check ==="
+                    rustc --version
+                    cargo --version
+                    make --version
+
+                    echo ""
+                    echo "=== Building with Make ==="
+                    make all
+                '''
+            }
+        }
+
+        stage('Archive') {
+            archiveArtifacts artifacts: 'build/**/*.img, bin/**/*',
+                            fingerprint: true
+        }
+
+    } finally  {
+       stage('Cleanup') {
+         sh """
+           docker ps -a --filter "label=jenkins-build=${JOB_NAME}" -q | xargs -r docker rm -f || true
+           docker rmi ${env.IMAGE_ID} || true
+         """
+       }
     }
 }
\ No newline at end of file
diff --git a/kernel/src/tty/device.rs b/kernel/src/tty/device.rs
index a4bcb20..09a94ac 100644
--- a/kernel/src/tty/device.rs
+++ b/kernel/src/tty/device.rs
@@ -1,5 +1,6 @@
 // kernel/src/tty/device
 use alloc::{collections::VecDeque, vec::Vec};
+use x86_64::instructions::interrupts;
 use spin::Mutex;
 use crate::{kprint, process};
 
@@ -111,20 +112,20 @@ impl Device {
     }
 }
 
-// 全局 TTY 設備
 static TTY0: Mutex<Device> = Mutex::new(Device::new());
 
-/// 接收字符（給鍵盤驅動調用）
 pub fn receive_char(c: u8) {
     TTY0.lock().receive_char(c);
 }
 
-/// 讀取一行（給進程調用）
 pub fn read_line(pid: u64) -> Option<Vec<u8>> {
-    TTY0.lock().read_line(pid)
+    interrupts::without_interrupts(|| {
+        TTY0.lock().read_line(pid)
+    })
 }
 
-/// 檢查是否有數據
 pub fn has_input() -> bool {
-    TTY0.lock().has_line()
+    interrupts::without_interrupts(|| {
+        TTY0.lock().has_line()
+    })
 }
\ No newline at end of file
diff --git a/kernel/src/tty/tty.rs b/kernel/src/tty/tty.rs
index dc06676..8ac6f55 100644
--- a/kernel/src/tty/tty.rs
+++ b/kernel/src/tty/tty.rs
@@ -1,4 +1,5 @@
 use bootloader_api::info::{FrameBuffer, FrameBufferInfo, PixelFormat};
+use x86_64::instructions::interrupts;
 use crate::tty::font::FONT_BASIC;
 use spin::Mutex;
 
@@ -214,23 +215,33 @@ pub fn init(framebuffer: &'static mut FrameBuffer) {
     let info = framebuffer.info();
     let buffer = framebuffer.buffer_mut();
 
-    TTY.lock().init(buffer.as_mut_ptr(), buffer.len(), info);
+    interrupts::without_interrupts(|| {
+        TTY.lock().init(buffer.as_mut_ptr(), buffer.len(), info);
+    });
 }
 
 pub fn clear(color: u32) {
-    TTY.lock().clear(color);
+    interrupts::without_interrupts(|| {
+        TTY.lock().clear(color);
+    });
 }
 
 pub fn draw_pixel(x: usize, y: usize, color: u32) {
-    TTY.lock().draw_pixel(x, y, color);
+    interrupts::without_interrupts(|| {
+        TTY.lock().draw_pixel(x, y, color);
+    });
 }
 
 pub fn draw_char(c: char, color: u32) {
-    TTY.lock().draw_char(c, color);
+    interrupts::without_interrupts(|| {
+        TTY.lock().draw_char(c, color);
+    });
 }
 
 pub fn write_str(s: &str, color: u32) {
-    TTY.lock().write_str(s, color);
+    interrupts::without_interrupts(|| {
+        TTY.lock().write_str(s, color);
+    });
 }
 
 pub fn tty_put_str(s: &str, color: Option<u32>) {
@@ -239,11 +250,15 @@ pub fn tty_put_str(s: &str, color: Option<u32>) {
 }
 
 pub fn get_cursor_pos() -> (usize, usize) {
-    TTY.lock().get_cursor_pos()
+    interrupts::without_interrupts(|| {
+        TTY.lock().get_cursor_pos()
+    })
 }
 
 pub fn set_cursor_pos(x: usize, y: usize) {
-    TTY.lock().set_cursor_pos(x, y);
+    interrupts::without_interrupts(|| {
+        TTY.lock().set_cursor_pos(x, y);
+    });
 }
 
 fn write_pixel(info: &FrameBufferInfo, pixel: &mut [u8], r: u8, g: u8, b: u8) {