save project

my_app.py

@@ -33,11 +33,14 @@ def register():     # 注册验证
 def login():    # 登录验证
     name,password = app_login.get_input()
     pwd = users.get(name)
-    if pwd == password:
-        messagebox.showinfo("提示",'登陆成功')
+    result = str(users)
+    if name in result:
+        if pwd == password:
+            messagebox.showinfo("提示",'登陆成功')
+        else:
+            messagebox.showwarning('警告','密码错误')
     else:
-        messagebox.showwarning('警告','密码错误')
-
+        messagebox.showwarning('警告','用户名错误')
 class My_login():       # 登录窗口
     def __init__(self):
         self.root = tkinter.Tk()