diff --git a/login.py b/login.py
new file mode 100644
index 0000000..500da5c
--- /dev/null
+++ b/login.py
@@ -0,0 +1,53 @@
+from tkinter import *
+from tkinter import ttk, messagebox
+import hashlib
+
+# 定义用户名和密码
+username = 'admin'
+password_hash = hashlib.sha256('0000'.encode('utf-8')).hexdigest()
+
+def validate_password():
+    input_user = username_entry.get()
+    input_pass = hashlib.sha256(password_entry.get().encode('utf-8')).hexdigest()
+
+    if input_user == username and input_pass == password_hash:
+        messagebox.showinfo('Login', 'Login successful')
+        password_entry.delete(0, END)
+    else:
+        messagebox.showerror('Login', 'Invalid username or password')
+        password_entry.delete(0, END)
+
+# 创建主窗口
+root = Tk()
+root.title('Login')
+
+# 创建样式
+style = ttk.Style()
+
+style.theme_use('clam')
+style.configure('TLabel', font=('Arial', 12))
+style.configure('TEntry', font=('Arial', 12))
+
+# 创建用户名和密码输入框
+username_entry = ttk.Entry(root, width=30)
+username_entry.insert(0, 'Username')
+username_entry.configure(foreground='grey')
+username_entry.bind('<FocusIn>', lambda event: username_entry.delete(0, END))
+username_entry.bind('<FocusOut>', lambda event: username_entry.insert(0, 'Username') if not username_entry.get() else None)
+
+password_entry = ttk.Entry(root, width=30, show='*')
+password_entry.insert(0, 'Password')
+password_entry.configure(foreground='grey')
+password_entry.bind('<FocusIn>', lambda event: password_entry.delete(0, END))
+password_entry.bind('<FocusOut>', lambda event: password_entry.insert(0, 'Password') if not password_entry.get() else None)
+
+# 创建"OK"按钮
+ok_button = ttk.Button(root, text='OK', command=validate_password)
+
+# 布局
+username_entry.pack(pady=10)
+password_entry.pack(pady=10)
+ok_button.pack(pady=10)
+
+# 运行主循环
+root.mainloop()