diff --git a/add_info.py b/add_info.py
new file mode 100644
index 0000000..0395f10
--- /dev/null
+++ b/add_info.py
@@ -0,0 +1,109 @@
+import tkinter as tk
+import tkinter.messagebox as msgbox
+import sqlite3
+import datetime
+
+def addquote(string):
+	"""为any加上引号"""
+	return "\'" + str(string) + "\'"
+
+window = tk.Tk()
+window.resizable(0, 0)
+window.title("添加车辆信息")
+# 窗口居中
+ww, wh = 300, 300
+sw, sh = window.winfo_screenwidth(), window.winfo_screenheight()
+x, y = (sw - ww) / 2, (sh - wh) / 2
+window.geometry("%dx%d+%d+%d" % (ww, wh, x, y))
+
+l_Id = tk.Label(window, text="车牌号：")
+l_Name = tk.Label(window, text="姓名：")
+l_Color = tk.Label(window, text="颜色：")
+l_Addr = tk.Label(window, text="住址：")
+l_Phone = tk.Label(window, text="电话：")
+
+# 间隔30
+l_Id.place(x=10, y=20)
+l_Name.place(x=10, y=50)
+l_Color.place(x=10, y=80)
+l_Addr.place(x=10, y=110)
+l_Phone.place(x=10, y=140)
+
+# 录入框/获得单行文本框的信息
+def checkdata():
+	if e_Phone.get() is None:    #e_Id
+		return False
+	try:
+		int(e_Phone.get())
+		return True
+	except ValueError:
+		msgbox.showwarning(message="非法输入")
+		return False
+
+# 检查字符串是否由数字组成
+def check_value(string):
+	try:
+		int(string)
+		return True
+	except ValueError:
+		return False
+
+var_id = tk.StringVar()
+var_name = tk.StringVar()
+var_color = tk.StringVar()
+var_addr = tk.StringVar()
+var_phone = tk.StringVar()
+
+e_Id = tk.Entry(window, width=30, textvariable=var_id)
+e_Name = tk.Entry(window, width=30, textvariable=var_name)
+e_Color = tk.Entry(window, width=30, textvariable=var_color)
+e_Addr = tk.Entry(window, width=30, textvariable=var_addr)
+e_Phone = tk.Entry(window, width=30, textvariable=var_phone,validate="focusout", invalidcommand=checkdata)
+
+# 间隔30
+e_Id.place(x=60, y=20)
+e_Name.place(x=60, y=50)
+e_Color.place(x=60, y=80)
+e_Addr.place(x=60, y=110)
+e_Phone.place(x=60, y=140)
+
+# 按钮
+def func_save():
+	# 检查车牌号是否为空，为空则报错 通过entry属性实现
+	# todo
+	if e_Id.get() == "":
+		msgbox.showwarning(message="车牌号为空")
+	else:
+		ids, name, color, addr, phone = var_id.get(), var_name.get(), var_color.get(), var_addr.get(), var_phone.get()  # 获得输入的文本内容
+		con = sqlite3.connect("./car_info.db")  # 连接数据库
+		cur = con.cursor()  # 创建游标对象
+
+		# 获取当前时间
+		current_time = datetime.datetime.now()
+		current_time_str = current_time.strftime("%Y-%m-%d %H:%M:%S")
+
+		# 尝试写入，如果遇到重复则报错，确认是否需要修改
+		try:
+			cur.execute('insert into car values(?, ?, ?, ?, ?, ?)', (ids, name, color, addr, phone, current_time_str))
+			msgbox.showinfo(message="添加成功!")
+			window.quit()
+		except sqlite3.IntegrityError:
+			msgbox.showerror("⚠", "车牌号重复")
+			res = msgbox.askyesno("⚠", "是否需要覆盖")
+			if res is True:
+				res2 = msgbox.askokcancel("⚠", "一旦确认则无法撤销，请确认")
+				if res2 is True:
+					cur.execute("update car set name=?, color=?, addr=?, phone=?, stay_hours=? where id=?", (name, color, addr, phone, current_time_str, ids))
+		# else:
+		# 	window.quit()
+
+		con.commit()
+		cur.close()
+		con.close()
+
+btn_save = tk.Button(window, text="保存", width=10, command=func_save)
+btn_exit = tk.Button(window, text="退出", width=10, command=window.quit)
+btn_save.place(x=110, y=220)
+btn_exit.place(x=200, y=220)
+
+window.mainloop()
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