diff --git a/main.py b/main.py
new file mode 100644
index 0000000..3550f28
--- /dev/null
+++ b/main.py
@@ -0,0 +1,831 @@
+
+
+import pymysql
+from tkinter import ttk
+import tkinter as tk
+import tkinter.font as tkFont
+from tkinter import *  # 图形界面库
+import tkinter.messagebox as messagebox  # 弹窗
+
+
+class StartPage:
+    def __init__(self, parent_window):
+        parent_window.destroy()  # 销毁子界面
+
+        self.window = tk.Tk()  # 初始框的声明
+        self.window.title('用电信息管理系统')
+        self.window.geometry('300x470')
+
+        label = Label(self.window, text="用电信息管理系统", font=("Verdana", 20))
+        label.pack(pady=100)  # pady=100 界面的长度
+
+        Button(self.window, text="管理员登陆", font=tkFont.Font(size=16), command=lambda: AdminPage(self.window), width=30,
+               height=2,
+               fg='white', bg='gray', activebackground='black', activeforeground='white').pack()
+        Button(self.window, text="用户登陆", font=tkFont.Font(size=16), command=lambda: UsPage(self.window), width=30,
+               height=2, fg='white', bg='gray', activebackground='black', activeforeground='white').pack()
+        Button(self.window, text="账号系统", font=tkFont.Font(size=16), command=lambda: AboutPage(self.window),
+               width=30,
+               height=2,
+               fg='white', bg='gray', activebackground='black', activeforeground='white').pack()
+        Button(self.window, text='退出系统', height=2, font=tkFont.Font(size=16), width=30, command=self.window.destroy,
+               fg='white', bg='gray', activebackground='black', activeforeground='white').pack()
+
+        self.window.mainloop()  # 主消息循环
+
+
+# 管理员登陆页面
+class AdminPage:
+    def __init__(self, parent_window):
+        parent_window.destroy()  # 销毁主界面
+
+        self.window = tk.Tk()  # 初始框的声明
+        self.window.title('管理员登陆页面')
+        self.window.geometry('300x450')
+
+        label = tk.Label(self.window, text='管理员登陆', bg='green', font=('Verdana', 20), width=30, height=2)
+        label.pack()
+
+        Label(self.window, text='管理员账号：', font=tkFont.Font(size=14)).pack(pady=25)
+        self.admin_username = tk.Entry(self.window, width=30, font=tkFont.Font(size=14), bg='Ivory')
+        self.admin_username.pack()
+
+        Label(self.window, text='管理员密码：', font=tkFont.Font(size=14)).pack(pady=25)
+        self.admin_pass = tk.Entry(self.window, width=30, font=tkFont.Font(size=14), bg='Ivory', show='*')
+        self.admin_pass.pack()
+
+        Button(self.window, text="登陆", width=8, font=tkFont.Font(size=12), command=self.login).pack(pady=40)
+        Button(self.window, text="返回首页", width=8, font=tkFont.Font(size=12), command=self.back).pack()
+
+        self.window.protocol("WM_DELETE_WINDOW", self.back)  # 捕捉右上角关闭点击
+        self.window.mainloop()  # 进入消息循环
+
+    def login(self):
+        print(str(self.admin_username.get()))
+        print(str(self.admin_pass.get()))
+        admin_pass = None
+
+        # 数据库操作 查询管理员表
+        db = pymysql.connect(host='localhost', port=3306, db='xinxi', user='root', password='123456') # 打开数据库连接
+        cursor = db.cursor()  # 使用cursor()方法获取操作游标
+        sql = "SELECT * FROM admin_login_k WHERE admin_id = '%s'" % (self.admin_username.get())  # SQL 查询语句
+        try:
+            # 执行SQL语句
+            cursor.execute(sql)
+            # 获取所有记录列表
+            results = cursor.fetchall()
+            for row in results:
+                admin_id = row[0]
+                admin_pass = row[1]
+                # 打印结果
+                print("admin_id=%s,admin_pass=%s" % (admin_id, admin_pass))
+        except:
+            print("Error: unable to fecth data")
+            messagebox.showinfo('警告！', '用户名或密码不正确！')
+        db.close()  # 关闭数据库连接
+
+        print("正在登陆管理员管理界面")
+        print("self", self.admin_pass)
+        print("local", admin_pass)
+
+        if self.admin_pass.get() == admin_pass:
+            AdminManage(self.window)  # 进入管理员操作界面
+        else:
+            messagebox.showinfo('警告！', '用户名或密码不正确！')
+
+    def back(self):
+        StartPage(self.window)  # 显示主窗口 销毁本窗口
+
+
+# 用户登陆页面
+class UsPage:
+    def __init__(self, parent_window):
+        parent_window.destroy()  # 销毁主界面
+
+        self.window = tk.Tk()  # 初始框的声明
+        self.window.title('用户登陆')
+        self.window.geometry('300x450')
+
+        label = tk.Label(self.window, text='用户登陆', bg='pink', font=('Verdana', 20), width=30, height=2)
+        label.pack()
+
+        Label(self.window, text='用户账号：', font=tkFont.Font(size=14)).pack(pady=25)
+        self.Us_id = tk.Entry(self.window, width=30, font=tkFont.Font(size=14), bg='Ivory')
+        self.Us_id.pack()
+
+        Label(self.window, text='用户密码：', font=tkFont.Font(size=14)).pack(pady=25)
+        self.Us_pass = tk.Entry(self.window, width=30, font=tkFont.Font(size=14), bg='Ivory', show='*')
+        self.Us_pass.pack()
+
+        Button(self.window, text="登陆", width=8, font=tkFont.Font(size=12), command=self.login).pack(pady=40)
+        Button(self.window, text="返回首页", width=8, font=tkFont.Font(size=12), command=self.back).pack()
+
+        self.window.protocol("WM_DELETE_WINDOW", self.back)  # 捕捉右上角关闭点击
+        self.window.mainloop()  # 进入消息循环
+
+    def login(self):
+        print(str(self.Us_id.get()))
+        print(str(self.Us_pass.get()))
+        us_pass = None
+
+        # 数据库操作 查询管理员表
+        db = pymysql.connect(host='localhost', port=3306, db='xinxi', user='root', password='123456')  # 打开数据库连接
+        cursor = db.cursor()  # 使用cursor()方法获取操作游标
+        sql = "SELECT * FROM Us_login_k WHERE us_id = '%s'" % (self.Us_id.get())  # SQL 查询语句
+        try:
+            # 执行SQL语句
+            cursor.execute(sql)
+            # 获取所有记录列表
+            results = cursor.fetchall()
+            for row in results:
+                us_id = row[0]
+                us_pass = row[1]
+                # 打印结果
+                print("us_id=%s,us_pass=%s" % (us_id, us_pass))
+        except:
+            print("Error: unable to fecth data")
+            messagebox.showinfo('警告！', '用户名或密码不正确！')
+        db.close()  # 关闭数据库连接
+
+        print("正在登陆用户信息查看界面")
+        print("self", self.Us_pass.get())
+        print("local", us_pass)
+
+        if self.Us_pass.get() == us_pass:
+            UsView(self.window, self.Us_id.get())  # 进入用户信息查看界面
+        else:
+            messagebox.showinfo('警告！', '用户名或密码不正确！')
+
+    def back(self):
+        StartPage(self.window)  # 显示主窗口 销毁本窗口
+
+
+# 管理员操作界面
+class AdminManage:
+    def __init__(self, parent_window):
+        parent_window.destroy()  # 销毁主界面
+
+        self.window = Tk()  # 初始框的声明
+        self.window.title('管理员操作界面')
+
+        self.frame_left_top = tk.Frame(width=300, height=200)
+        self.frame_right_top = tk.Frame(width=200, height=200)
+        self.frame_center = tk.Frame(width=500, height=400)
+        self.frame_bottom = tk.Frame(width=650, height=50)
+
+        # 定义下方中心列表区域
+        self.columns = ("ID号", "姓名", "本月电费", "年龄")
+        self.tree = ttk.Treeview(self.frame_center, show="headings", height=18, columns=self.columns)
+        self.vbar = ttk.Scrollbar(self.frame_center, orient=VERTICAL, command=self.tree.yview)
+        # 定义树形结构与滚动条
+        self.tree.configure(yscrollcommand=self.vbar.set)
+
+        # 表格的标题
+        self.tree.column("ID号", width=150, anchor='center')  # 表示列,不显示
+        self.tree.column("姓名", width=150, anchor='center')
+        self.tree.column("本月电费", width=100, anchor='center')
+        self.tree.column("年龄", width=100, anchor='center')
+
+        # 调用方法获取表格内容插入
+        self.tree.grid(row=0, column=0, sticky=NSEW)
+        self.vbar.grid(row=0, column=1, sticky=NS)
+
+        self.id = []
+        self.name = []
+        self.cost = []
+        self.age = []
+        # 打开数据库连接
+        db = pymysql.connect(host='localhost', port=3306, db='xinxi', user='root', password='123456')
+        cursor = db.cursor()  # 使用cursor()方法获取操作游标
+        sql = "SELECT * FROM us_k"  # SQL 查询语句
+        try:
+            # 执行SQL语句
+            cursor.execute(sql)
+            # 获取所有记录列表
+            results = cursor.fetchall()
+            for row in results:
+                self.id.append(row[0])
+                self.name.append(row[1])
+                self.cost.append(row[2])
+                self.age.append(row[3])
+            # print(self.id)
+            # print(self.name)
+            # print(self.cost)
+            # print(self.age)
+        except:
+            print("Error: unable to fetch data")
+            messagebox.showinfo('警告！', '数据库连接失败！')
+        db.close()  # 关闭数据库连接
+
+        print("test***********************")
+        for i in range(min(len(self.id), len(self.name), len(self.cost), len(self.age))):  # 写入数据
+            self.tree.insert('', i, values=(self.id[i], self.name[i], self.cost[i], self.age[i]))
+
+        for col in self.columns:  # 绑定函数，使表头可排序
+            self.tree.heading(col, text=col,
+                              command=lambda _col=col: self.tree_sort_column(self.tree, _col, False))
+
+        # 定义顶部区域
+        # 定义左上方区域
+        self.top_title = Label(self.frame_left_top, text="用户信息:", font=('Verdana', 20))
+        self.top_title.grid(row=0, column=0, columnspan=2, sticky=NSEW, padx=50, pady=10)
+
+        self.left_top_frame = tk.Frame(self.frame_left_top)
+        self.var_id = StringVar()  # 声明学号
+        self.var_name = StringVar()  # 声明姓名
+        self.var_cost = StringVar()  # 声明本月电费
+        self.var_age = StringVar()  # 声明年龄
+        # 学号
+        self.right_top_id_label = Label(self.frame_left_top, text="ID号：", font=('Verdana', 15))
+        self.right_top_id_entry = Entry(self.frame_left_top, textvariable=self.var_id, font=('Verdana', 15))
+        self.right_top_id_label.grid(row=1, column=0)  # 位置设置
+        self.right_top_id_entry.grid(row=1, column=1)
+        # 姓名
+        self.right_top_name_label = Label(self.frame_left_top, text="姓名：", font=('Verdana', 15))
+        self.right_top_name_entry = Entry(self.frame_left_top, textvariable=self.var_name, font=('Verdana', 15))
+        self.right_top_name_label.grid(row=2, column=0)  # 位置设置
+        self.right_top_name_entry.grid(row=2, column=1)
+        # 本月电费
+        self.right_top_cost_label = Label(self.frame_left_top, text="本月电费：", font=('Verdana', 15))
+        self.right_top_cost_entry = Entry(self.frame_left_top, textvariable=self.var_cost,
+                                            font=('Verdana', 15))
+        self.right_top_cost_label.grid(row=3, column=0)  # 位置设置
+        self.right_top_cost_entry.grid(row=3, column=1)
+        # 年龄
+        self.right_top_cost_label = Label(self.frame_left_top, text="年龄：", font=('Verdana', 15))
+        self.right_top_cost_entry = Entry(self.frame_left_top, textvariable=self.var_age,
+                                            font=('Verdana', 15))
+        self.right_top_cost_label.grid(row=4, column=0)  # 位置设置
+        self.right_top_cost_entry.grid(row=4, column=1)
+
+        # 定义右上方区域
+        self.right_top_title = Label(self.frame_right_top, text="操作：", font=('Verdana', 20))
+
+        self.tree.bind('<Button-1>', self.click)  # 左键获取位置
+        self.right_top_button1 = ttk.Button(self.frame_right_top, text='新建用户信息', width=20, command=self.new_row)
+        self.right_top_button2 = ttk.Button(self.frame_right_top, text='更新选中用户信息', width=20,
+                                            command=self.updata_row)
+        self.right_top_button3 = ttk.Button(self.frame_right_top, text='删除选中用户信息', width=20,
+                                            command=self.del_row)
+
+        # 位置设置
+        self.right_top_title.grid(row=1, column=0, pady=10)
+        self.right_top_button1.grid(row=2, column=0, padx=20, pady=10)
+        self.right_top_button2.grid(row=3, column=0, padx=20, pady=10)
+        self.right_top_button3.grid(row=4, column=0, padx=20, pady=10)
+
+        # 整体区域定位
+        self.frame_left_top.grid(row=0, column=0, padx=2, pady=5)
+        self.frame_right_top.grid(row=0, column=1, padx=30, pady=30)
+        self.frame_center.grid(row=1, column=0, columnspan=2, padx=4, pady=5)
+        self.frame_bottom.grid(row=2, column=0, columnspan=2)
+
+        self.frame_left_top.grid_propagate(0)
+        self.frame_right_top.grid_propagate(0)
+        self.frame_center.grid_propagate(0)
+        self.frame_bottom.grid_propagate(0)
+
+        self.frame_left_top.tkraise()  # 开始显示主菜单
+        self.frame_right_top.tkraise()  # 开始显示主菜单
+        self.frame_center.tkraise()  # 开始显示主菜单
+        self.frame_bottom.tkraise()  # 开始显示主菜单
+
+        self.window.protocol("WM_DELETE_WINDOW", self.back)  # 捕捉右上角关闭点击
+
+    def back(self):
+        StartPage(self.window)  # 显示主窗口 销毁本窗口
+
+    def click(self, event):
+        self.col = self.tree.identify_column(event.x)  # 列
+        self.row = self.tree.identify_row(event.y)  # 行
+
+        print(self.col)
+        print(self.row)
+        self.row_info = self.tree.item(self.row, "values")
+        self.var_id.set(self.row_info[0])
+        self.var_name.set(self.row_info[1])
+        self.var_cost.set(self.row_info[2])
+        self.var_age.set(self.row_info[3])
+        self.right_top_id_entry = Entry(self.frame_left_top, state='disabled', textvariable=self.var_id,
+                                        font=('Verdana', 15))
+
+        print('')
+
+    def tree_sort_column(self, tv, col, reverse):  # Treeview、列名、排列方式
+        l = [(tv.set(k, col), k) for k in tv.get_children('')]
+        l.sort(reverse=reverse)  # 排序方式
+        # rearrange items in sorted positions
+        for index, (val, k) in enumerate(l):  # 根据排序后索引移动
+            tv.move(k, '', index)
+        tv.heading(col, command=lambda: self.tree_sort_column(tv, col, not reverse))  # 重写标题，使之成为再点倒序的标题
+
+    def new_row(self):
+        print('123')
+        print(self.var_id.get())
+        print(self.id)
+        if str(self.var_id.get()) in self.id:
+            messagebox.showinfo('警告！', '该用户已存在！')
+        else:
+            if self.var_id.get() != '' and self.var_name.get() != '' and self.var_cost.get() != '' and self.var_age.get() != '':
+                # 打开数据库连接
+                db = pymysql.connect(host='localhost', port=3306, db='xinxi', user='root', password='123456')
+                cursor = db.cursor()  # 使用cursor()方法获取操作游标
+                sql = "INSERT INTO us_k(id, name, cost, age) \
+				       VALUES ('%s', '%s', '%s', '%s')" % \
+                      (self.var_id.get(), self.var_name.get(), self.var_cost.get(), self.var_age.get())  # SQL 插入语句
+                sqls = "INSERT INTO `Us_login_k` VALUES ('%s', '123456')" % (self.var_id.get())
+                try:
+                    cursor.execute(sql)  # 执行sql语句
+                    cursor.execute(sqls)
+                    db.commit()  # 提交到数据库执行
+                except:
+                    db.rollback()  # 发生错误时回滚
+                    messagebox.showinfo('警告！', '数据库连接失败！')
+                db.close()  # 关闭数据库连接
+
+                self.id.append(self.var_id.get())
+                self.name.append(self.var_name.get())
+                self.cost.append(self.var_cost.get())
+                self.age.append(self.var_age.get())
+                self.tree.insert('', len(self.id) - 1, values=(
+                    self.id[len(self.id) - 1], self.name[len(self.id) - 1], self.cost[len(self.id) - 1],
+                    self.age[len(self.id) - 1]))
+                self.tree.update()
+                messagebox.showinfo('提示！', '插入成功！')
+            else:
+                messagebox.showinfo('警告！', '请填写用户数据')
+
+    def updata_row(self):
+        res = messagebox.askyesnocancel('警告！', '是否更新所填数据？')
+        if res == True:
+            if self.var_id.get() == self.row_info[0]:  # 如果所填学号 与 所选学号一致
+                # 打开数据库连接
+                db = pymysql.connect(host='localhost', port=3306, db='xinxi', user='root', password='123456')
+                cursor = db.cursor()  # 使用cursor()方法获取操作游标
+                sql_update = "UPDATE us_k SET name = '%s', cost = '%s', age = '%s' \
+				 WHERE id = '%s'" % (
+                    self.var_name.get(), self.var_cost.get(), self.var_age.get(), self.var_id.get())  # SQL 插入语句
+                try:
+                    cursor.execute(sql_update)  # 执行sql语句
+                    db.commit()  # 提交到数据库执行
+                    messagebox.showinfo('提示！', '更新成功！')
+                except:
+                    db.rollback()  # 发生错误时回滚
+                    messagebox.showinfo('警告！', '更新失败，数据库连接失败！')
+                db.close()  # 关闭数据库连接
+
+                id_index = self.id.index(self.row_info[0])
+                self.name[id_index] = self.var_name.get()
+                self.cost[id_index] = self.var_cost.get()
+                self.age[id_index] = self.var_age.get()
+
+                self.tree.item(self.tree.selection()[0], values=(
+                    self.var_id.get(), self.var_name.get(), self.var_cost.get(),
+                    self.var_age.get()))  # 修改对于行信息
+            else:
+                messagebox.showinfo('警告！', '不能修改用户学号！')
+
+    def del_row(self):
+        res = messagebox.askyesnocancel('警告！', '是否删除所选数据？')
+        if res == True:
+            print(self.row_info[0])  # 鼠标选中的学号
+            print(self.tree.selection()[0])  # 行号
+            print(self.tree.get_children())  # 所有行
+            # 打开数据库连接
+            db = pymysql.connect(host='localhost', port=3306, db='xinxi', user='root', password='123456')
+            cursor = db.cursor()  # 使用cursor()方法获取操作游标
+            sql_delete = "DELETE FROM us_k WHERE id = '%s'" % (self.row_info[0])  # SQL 插入语句
+            sql_deletes = "DELETE  FROM Us_login_k WHERE us_id = '%s'" % (self.row_info[0])  # SQL 插入语句
+            try:
+                cursor.execute(sql_delete)  # 执行sql语句
+                cursor.execute(sql_deletes)
+                db.commit()  # 提交到数据库执行
+                messagebox.showinfo('提示！', '删除成功！')
+            except:
+                db.rollback()  # 发生错误时回滚
+                messagebox.showinfo('警告！', '删除失败，数据库连接失败！')
+            db.close()  # 关闭数据库连接
+
+            id_index = self.id.index(self.row_info[0])
+            print(id_index)
+            del self.id[id_index]
+            del self.name[id_index]
+            del self.cost[id_index]
+            del self.age[id_index]
+            print(self.id)
+            self.tree.delete(self.tree.selection()[0])  # 删除所选行
+            print(self.tree.get_children())
+
+
+# 用户查看信息界面
+class UsView:
+    def __init__(self, parent_window, Us_id):
+        parent_window.destroy()  # 销毁主界面
+
+        self.window = tk.Tk()  # 初始框的声明
+        self.window.title('用户信息')
+        self.window.geometry('300x480')  # 这里的乘是小x
+
+        label = tk.Label(self.window, text='用户信息查看', bg='silver', font=('Verdana', 20), width=30, height=2)
+        label.pack(pady=20)
+
+        self.id = 'ID号:' + ''
+        self.name = '姓名:' + ''
+        self.cost = '本月电费:' + ''
+        self.age = '年龄:' + ''
+        # 打开数据库连接
+        db = pymysql.connect(host='localhost', port=3306, db='xinxi', user='root', password='123456')
+        cursor = db.cursor()  # 使用cursor()方法获取操作游标
+        sql = "SELECT * FROM us_k WHERE id = '%s'" % (Us_id)  # SQL 查询语句
+        try:
+            # 执行SQL语句
+            cursor.execute(sql)
+            # 获取所有记录列表
+            results = cursor.fetchall()
+            for row in results:
+                self.id = 'ID号:' + row[0]
+                self.name = '姓名:' + row[1]
+                self.cost = '本月电费:' + row[2]
+                self.age = '年龄:' + row[3]
+        except:
+            print("Error: unable to fetch data")
+        db.close()  # 关闭数据库连接
+
+        Label(self.window, text=self.id, font=('Verdana', 18)).pack(pady=5)
+        Label(self.window, text=self.name, font=('Verdana', 18)).pack(pady=5)
+        Label(self.window, text=self.cost, font=('Verdana', 18)).pack(pady=5)
+        Label(self.window, text=self.age, font=('Verdana', 18)).pack(pady=5)
+
+        Button(self.window, text="修改密码", width=8, font=tkFont.Font(size=16),
+               command=lambda: Changekey(self.window)).pack(pady=25)
+
+        Button(self.window, text="返回首页", width=8, font=tkFont.Font(size=16), command=self.back).pack(pady=25)
+
+        self.window.protocol("WM_DELETE_WINDOW", self.back)  # 捕捉右上角关闭点击
+        self.window.mainloop()  # 进入消息循环
+
+    def back(self):
+        StartPage(self.window)  # 显示主窗口 销毁本窗口
+
+
+class Changekey:
+    def __init__(self, parent_window):
+        parent_window.destroy()  # 销毁主界面
+
+        self.window = tk.Tk()  # 初始框的声明
+        self.window.title('用户账号修改页面')
+        self.window.geometry('300x550')  # 这里的乘是小x
+
+        label = tk.Label(self.window, text='修改用户密码', bg='green', font=('Verdana', 20), width=30, height=2)
+        label.pack()
+
+        Label(self.window, text='ID号：', font=tkFont.Font(size=14)).pack(pady=25)
+        self.admin_id = tk.Entry(self.window, width=30, font=tkFont.Font(size=14), bg='Ivory')
+        self.admin_id.pack()
+
+        Label(self.window, text='旧密码：', font=tkFont.Font(size=14)).pack(pady=25)
+        self.admin_key = tk.Entry(self.window, width=30, font=tkFont.Font(size=14), bg='Ivory', show='*')
+        self.admin_key.pack()
+
+        Label(self.window, text='新密码：', font=tkFont.Font(size=14)).pack(pady=25)
+        self.admin_pass = tk.Entry(self.window, width=30, font=tkFont.Font(size=14), bg='Ivory', show='*')
+        self.admin_pass.pack()
+
+        Button(self.window, text="确定修改", width=8, font=tkFont.Font(size=12), command=self.login).pack(pady=40)
+        Button(self.window, text="返回首页", width=8, font=tkFont.Font(size=12), command=self.back).pack()
+
+    def login(self):
+        print(str(self.admin_id.get()))
+        print(str(self.admin_key.get()))
+        us_pass = None
+        # 数据库操作 查询管理员表
+        db = pymysql.connect(host='localhost', port=3306, db='xinxi', user='root', password='123456')  # 打开数据库连接   已经修正删除多余空格
+        cursor = db.cursor()  # 使用cursor()方法获取操作游标
+        sql = "SELECT * FROM Us_login_k WHERE us_id = '%s'" % (self.admin_id.get())  # SQL 查询语句
+        try:
+            # 执行SQL语句
+            cursor.execute(sql)
+            # 获取所有记录列表
+            results = cursor.fetchall()
+            for row in results:
+                us_id = row[0]
+                us_pass = row[1]
+                # 打印结果
+                print("us_id=%s,us_pass=%s" % (us_id, us_pass))
+        except:
+            print("Error: unable to fecth data")
+            messagebox.showinfo('警告！', '用户名或密码不正确！')
+        db.close()  # 关闭数据库连接
+
+        print("正在修改")
+        print("旧密码", self.admin_key.get())
+        print("新密码", us_pass)
+
+        if self.admin_key.get() == us_pass:
+            self.chage()
+        else:
+            messagebox.showinfo('警告！', '用户名或密码不正确！')
+
+    def chage(self):
+        print(str(self.admin_id.get()))
+        print(str(self.admin_key.get()))
+        print(str(self.admin_pass.get()))
+        db = pymysql.connect(host='localhost', port=3306, db='xinxi', user='root', password='123456')
+        cursor = db.cursor()  # 使用cursor()方法获取操作游标
+        sql = "UPDATE Us_login_k SET us_pass = '%s' WHERE us_id = '%s'" % (
+            self.admin_pass.get(), self.admin_id.get())
+        try:
+            cursor.execute(sql)  # 执行sql语句
+            db.commit()  # 提交到数据库执行
+            messagebox.showinfo('提示！', '更新成功！')
+        except:
+            db.rollback()  # 发生错误时回滚
+            messagebox.showinfo('警告！', '更新失败，数据库连接失败！')
+        db.close()  # 关闭数据库连接
+
+    def back(self):
+        StartPage(self.window)  # 显示主窗口 销毁本窗口
+
+
+class AboutPage:
+    def __init__(self, parent_window):
+        parent_window.destroy()  # 销毁主界面
+
+        self.window = tk.Tk()  # 初始框的声明
+
+        self.window.title('账号系统')
+        self.window.geometry('300x420')
+
+        label = tk.Label(self.window, text='账号系统', bg='cyan', font=('Verdana', 20), width=30, height=2)
+        label.pack()
+
+        Label(self.window, text='用户账号为ID号', font=('Verdana', 18)).pack(pady=5)
+        Label(self.window, text='初始密码为123456', font=('Verdana', 18)).pack(pady=5)
+        Label(self.window, text='版本：1.0.3', font=('Verdana', 16)).pack(pady=5)
+
+        Button(self.window, text="修改密码", width=10, font=tkFont.Font(size=16),
+               command=lambda: Changekey(self.window)).pack(pady=15)
+        Button(self.window, text="管理员修改", width=10, font=tkFont.Font(size=16),
+               command=lambda: Adminlogin(self.window)).pack(pady=15)
+        Button(self.window, text="返回首页", width=10, font=tkFont.Font(size=16), command=self.back).pack(pady=15)
+
+        self.window.protocol("WM_DELETE_WINDOW", self.back)  # 捕捉右上角关闭点击
+        self.window.mainloop()  # 进入消息循环
+
+    def back(self):
+        StartPage(self.window)  # 显示主窗口 销毁本窗口
+
+
+# 管理员账号设置
+class Adminlogin:
+    def __init__(self, parent_window):
+        parent_window.destroy()  # 销毁主界面
+
+        self.window = tk.Tk()  # 初始框的声明
+        self.window.title('请先登录任意管理员账号')
+        self.window.geometry('300x500')  # 这里的乘是小x
+
+        label = tk.Label(self.window, text='管理员登陆', bg='green', font=('Verdana', 20), width=30, height=2)
+        label.pack()
+
+        Label(self.window, text='管理员账号：', font=tkFont.Font(size=14)).pack(pady=25)
+        self.admin_username = tk.Entry(self.window, width=30, font=tkFont.Font(size=14), bg='Ivory')
+        self.admin_username.pack()
+
+        Label(self.window, text='管理员密码：', font=tkFont.Font(size=14)).pack(pady=25)
+        self.admin_pass = tk.Entry(self.window, width=30, font=tkFont.Font(size=14), bg='Ivory', show='*')
+        self.admin_pass.pack()
+
+        Button(self.window, text="修改密码", width=8, font=tkFont.Font(size=12), command=self.login_change).pack(pady=25)
+        Button(self.window, text="创建账号", width=8, font=tkFont.Font(size=12), command=self.login_create).pack(pady=25)
+        Button(self.window, text="返回首页", width=8, font=tkFont.Font(size=12), command=self.back).pack(pady=25)
+
+        self.window.protocol("WM_DELETE_WINDOW", self.back)  # 捕捉右上角关闭点击
+        self.window.mainloop()  # 进入消息循环
+
+    def login_create(self):
+        print(str(self.admin_username.get()))
+        print(str(self.admin_pass.get()))
+        admin_pass = None
+
+        # 数据库操作 查询管理员表
+        db = pymysql.connect(host='localhost', port=3306, db='xinxi',user='root', password='123456')  # 打开数据库连接
+        cursor = db.cursor()  # 使用cursor()方法获取操作游标
+        sql = "SELECT * FROM admin_login_k WHERE admin_id = '%s'" % (self.admin_username.get())  # SQL 查询语句
+        try:
+            # 执行SQL语句
+            cursor.execute(sql)
+            # 获取所有记录列表
+            results = cursor.fetchall()
+            for row in results:
+                admin_id = row[0]
+                admin_pass = row[1]
+                # 打印结果
+                print("admin_id=%s,admin_pass=%s" % (admin_id, admin_pass))
+        except:
+            print("Error: unable to fecth data")
+            messagebox.showinfo('警告！', '用户名或密码不正确！')
+        db.close()  # 关闭数据库连接
+
+        print("正在登陆管理员创建界面")
+        print("self", self.admin_pass)
+        print("local", admin_pass)
+
+        if self.admin_pass.get() == admin_pass:
+            CreateAdminPage(self.window)
+        else:
+            messagebox.showinfo('警告！', '用户名或密码不正确！')
+
+    def login_change(self):
+        print(str(self.admin_username.get()))
+        print(str(self.admin_pass.get()))
+        admin_pass = None
+
+        # 数据库操作 查询管理员表
+        db = pymysql.connect(host='localhost', port=3306, db='xinxi', user='root', password='123456')
+        cursor = db.cursor()  # 使用cursor()方法获取操作游标
+        sql = "SELECT * FROM admin_login_k WHERE admin_id = '%s'" % (self.admin_username.get())  # SQL 查询语句
+        try:
+            # 执行SQL语句
+            cursor.execute(sql)
+            # 获取所有记录列表
+            results = cursor.fetchall()
+            for row in results:
+                admin_id = row[0]
+                admin_pass = row[1]
+                # 打印结果
+                print("admin_id=%s,admin_pass=%s" % (admin_id, admin_pass))
+        except:
+            print("Error: unable to fecth data")
+            messagebox.showinfo('警告！', '用户名或密码不正确！')
+        db.close()  # 关闭数据库连接
+
+        print("正在登陆管理员修改密码界面")
+        print("self", self.admin_pass)
+        print("local", admin_pass)
+
+        if self.admin_pass.get() == admin_pass:
+            AdminChange(self.window)
+        else:
+            messagebox.showinfo('警告！', '用户名或密码不正确！')
+
+    def back(self):
+        StartPage(self.window)  # 显示主窗口 销毁本窗口
+
+
+class CreateAdminPage:
+    def __init__(self, parent_window):
+        parent_window.destroy()  # 销毁主界面
+
+        self.window = tk.Tk()  # 初始框的声明
+        self.window.title('管理员账号注册')
+        self.window.geometry('300x450')  # 这里的乘是小x
+
+        Label(self.window, text='管理员用户名：', font=tkFont.Font(size=14)).pack(pady=25)
+        self.admin_id = tk.Entry(self.window, width=30, font=tkFont.Font(size=14), bg='Ivory')
+        self.admin_id.pack()
+
+        Label(self.window, text='设置密码：', font=tkFont.Font(size=14)).pack(pady=25)
+        self.admin_pass = tk.Entry(self.window, width=30, font=tkFont.Font(size=14), bg='Ivory', show='*')
+        self.admin_pass.pack()
+
+        Button(self.window, text="创建用户", width=8, font=tkFont.Font(size=12), command=self.find).pack(pady=40)
+        Button(self.window, text="返回首页", width=8, font=tkFont.Font(size=12), command=self.back).pack()
+
+    def back(self):
+        StartPage(self.window)  # 显示主窗口 销毁本窗口
+
+    def find(self):
+        print(str(self.admin_id.get()))
+        print(str(self.admin_pass.get()))
+
+        # 数据库操作 查询管理员表
+        db = pymysql.connect(host='localhost', port=3306, db='xinxi', user='root', password='123456') # 打开数据库连接
+        cursor = db.cursor()  # 使用cursor()方法获取操作游标
+        sql = "SELECT admin_id FROM admin_login_k WHERE admin_id = '%s'" % \
+              (self.admin_id.get())  # SQL 查询语句
+        try:
+            # 执行SQL语句
+            cursor.execute(sql)
+            # 获取所有记录列表
+            results = cursor.fetchall()
+            print(results)
+            if self.admin_id.get in results:
+                print("Error: name already exists！")
+                messagebox.showinfo('警告！', '用户名已存在！')
+            else:
+                self.change()
+
+        except:
+            print("Error: unable to fecth data")
+            messagebox.showinfo('警告！', '用户名或密码不正确！')
+
+    def change(self):
+        print(str(self.admin_id.get()))
+        print(str(self.admin_pass.get()))
+
+        # 数据库操作 查询管理员表
+        db = pymysql.connect(host='localhost', port=3306, db='xinxi',user='root', password='123456') # 打开数据库连接
+        cursor = db.cursor()  # 使用cursor()方法获取操作游标
+        sql = "INSERT INTO admin_login_k(admin_id, admin_pass) VALUES ('%s', '%s')" % \
+              (self.admin_id.get(), self.admin_pass.get())  # SQL 查询语句
+        try:
+            cursor.execute(sql)  # 执行sql语句
+            db.commit()  # 提交到数据库执行
+        except:
+            db.rollback()  # 发生错误时回滚
+            messagebox.showinfo('警告！', '数据库连接失败！')
+
+        db.close()  # 关闭数据库连接
+
+        messagebox.showinfo('提示', '创建成功')
+
+
+# 管理员密码修改
+class AdminChange:
+    def __init__(self, parent_window):
+        parent_window.destroy()  # 销毁主界面
+
+        self.window = tk.Tk()  # 初始框的声明
+        self.window.title('管理员密码修改')
+        self.window.geometry('300x450')  # 这里的乘是小x
+
+        Label(self.window, text='管理员用户名：', font=tkFont.Font(size=14)).pack(pady=25)
+        self.admin_id = tk.Entry(self.window, width=30, font=tkFont.Font(size=14), bg='Ivory')
+        self.admin_id.pack()
+
+        Label(self.window, text='设置密码：', font=tkFont.Font(size=14)).pack(pady=25)
+        self.admin_pass = tk.Entry(self.window, width=30, font=tkFont.Font(size=14), bg='Ivory', show='*')
+        self.admin_pass.pack()
+
+        Button(self.window, text="确定修改", width=8, font=tkFont.Font(size=12), command=self.chage).pack(pady=40)
+        Button(self.window, text="返回首页", width=8, font=tkFont.Font(size=12), command=self.back).pack()
+
+    def chage(self):
+        print(str(self.admin_id.get()))
+        print(str(self.admin_pass.get()))
+
+        # 数据库操作 查询管理员表
+        db = pymysql.connect(host='localhost', port=3306, db='xinxi', user='root', password='123456')  # 打开数据库连接
+        cursor = db.cursor()  # 使用cursor()方法获取操作游标
+        sql = "UPDATE admin_login_k SET admin_pass = '%s' WHERE admin_id = '%s'" % \
+              (self.admin_pass.get(), self.admin_id.get())  # SQL 查询语句
+        try:
+            cursor.execute(sql)  # 执行sql语句
+            db.commit()  # 提交到数据库执行
+            messagebox.showinfo('提示！', '更新成功！')
+        except:
+            db.rollback()  # 发生错误时回滚
+            messagebox.showinfo('警告！', '更新失败，数据库连接失败！')
+        db.close()  # 关闭数据库连接
+
+    def back(self):
+        StartPage(self.window)  # 显示主窗口 销毁本窗口
+
+
+if __name__ == '__main__':
+    try:
+        # 打开数据库连接 连接测试
+        db = pymysql.connect(host='localhost', port=3306, db='xinxi', user='root', password='123456')
+        # 使用cursor()方法获取操作游标
+        cursor = db.cursor()
+        # 如果数据表不存在则创建表 若存在则跳过
+        # 设置主键唯一
+        sql = """CREATE TABLE IF NOT EXISTS us_k(
+				id char(20) NOT NULL,
+				name char(20) default NULL,
+				cost char(5) default NULL,  
+				age char(5) default NULL,
+				PRIMARY KEY (id)
+
+				) ENGINE = InnoDB 
+				DEFAULT	CHARSET = utf8
+				"""
+        cursor.execute(sql)
+        # 如果数据表不存在则创建表 若存在则跳过
+        sql = """CREATE TABLE IF NOT EXISTS admin_login_k(
+						admin_id char(20) NOT NULL,
+						admin_pass char(20) default NULL,
+						PRIMARY KEY (admin_id)
+						) ENGINE = InnoDB 
+						DEFAULT	CHARSET = utf8
+						"""
+        cursor.execute(sql)
+        # 如果数据表不存在则创建表 若存在则跳过
+        sql = """CREATE TABLE IF NOT EXISTS Us_login_k(
+						us_id char(20) NOT NULL,
+						us_pass char(20) default NULL,
+						PRIMARY KEY (us_id)
+						) ENGINE = InnoDB 
+						DEFAULT	CHARSET = utf8
+						"""
+        cursor.execute(sql)
+
+        # 关闭数据库连接
+        db.close()
+
+        # 实例化Application
+        window = tk.Tk()
+        StartPage(window)
+    except:
+        messagebox.showinfo('错误！', '连接数据库失败！')