save project

my_app.py

@@ -36,7 +36,7 @@ def register():     # 注册验证
         #login_show()
 def login():    # 登录验证
     name,password=app_login.get_input()
-    mima=users[name]
+    mima=users.get(name)
     if password==mima:
         messagebox.showinfo('成功','登陆成功')
     else: