save project

my_app.py

 import tkinter
-
+from tkinter import messagebox
+import json
+with open("user.txt","r",encoding="utf-8") as f:
+    info = f.read()
+    users = json.loads(info)
 def login_to_reg():    # 登录界面转注册界面
     app_login.root.destroy()
     global app_reg
@@ -15,6 +19,7 @@ def register():     # 注册验证
     name,password1,password2 = app_reg.get_input()
     if name == "" or password1 == password2 == "":
         messagebox.showwaring("警告","请填写完整的注册内容")
+    
     elif name in users:
         messagebox.showwaring("警告","用户名已存在")
     elif password1 != password2: