diff --git a/Python程序设计课程设计报告.doc b/Python程序设计课程设计报告.doc
index cf13984..b63bb08 100644
Binary files a/Python程序设计课程设计报告.doc and b/Python程序设计课程设计报告.doc differ
diff --git a/pythonProject1/__pycache__/login_check.cpython-312.pyc b/pythonProject1/__pycache__/login_check.cpython-312.pyc
new file mode 100644
index 0000000..8a67ea5
Binary files /dev/null and b/pythonProject1/__pycache__/login_check.cpython-312.pyc differ
diff --git a/pythonProject1/login.py b/pythonProject1/login.py
index 1f94e28..faf4a3c 100644
--- a/pythonProject1/login.py
+++ b/pythonProject1/login.py
@@ -1,25 +1,23 @@
 from tkinter import *
 import Home
+from login_check import check
 
-user_login={'aaa':'123456','bbb':'888888','ccc':'333333'}
 count=0
 def login():
     global count
-    username=entry_username.get()
-    if username not in user_login:
-        lable_message.config(text="账号错误！")
+    username = entry_username.get()
+    password = entry_password.get()
+
+    if check(username,password):
+        lable_message.config(text="登陆成功！")
+        window.destroy()
+        h = Home.Home()
     else:
-        password=entry_password.get()
-        if(password==user_login[username]):
-            lable_message.config(text="登陆成功！")
-            window.destroy()
-            h=Home.Home()
-        else:
-            lable_message.config(text="你还可以尝试{}次".format(2-count))
-            count+=1
-            if count==3:
-                lable_message.config(text="登陆失败！")
-                btn_login.config(state='disabled')
+        lable_message.config(text="你还可以尝试{}次".format(2-count))
+        count+=1
+        if count==3:
+            lable_message.config(text="登陆失败！")
+            btn_login.config(state='disabled')
 window = Tk()
 window.title('用户登陆')
 window.geometry("300x200")
diff --git a/pythonProject1/login_check.py b/pythonProject1/login_check.py
new file mode 100644
index 0000000..c9badfe
--- /dev/null
+++ b/pythonProject1/login_check.py
@@ -0,0 +1,20 @@
+import mysql.connector
+
+def check(id,psw):
+    db=mysql.connector.connect(
+        host='localhost',
+        user='root',
+        passwd='123456',
+        database='loopy'
+    )
+
+    cursor=db.cursor()
+    sql='select * from user where id = %s and password = %s'
+    cursor.execute(sql,(id,psw))
+    result=cursor.fetchall()
+    for row in result:
+        if id==row[0] and psw==row[1]:
+            return True
+        else:
+            return False
+