save project

my_client.py

@@ -82,10 +82,11 @@ def register():     # 注册验证
         messagebox.showinfo("成功", "注册成功")
         reg_to_login()
 
-def login():        # 登录验证
+def login():
+    global app,alist        # 登录验证
     name, password = app_login.get_input()
     pwd = users.get(name)
-    if pwd == password:
+    if user_name = app_login != None and user_name["password"]    if pwd == password:
         messagebox.showinfo("成功", "登录成功")
     else:
         messagebox.showwarning("错误", "用户名或密码错误!")