save project

my_app.py

@@ -25,6 +25,11 @@ def register():     # 注册验证
         messagebox.showwarning("错误")
     elif：
         users[name]=password1
+        content=json.dump(users)
+        with open("user.txt","w",encoding="uft-8") as file:
+            file.write(content)
+        messagebox.showinfo("成功")
+        reg_to_login()
 def login():    # 登录验证
     pass