save project

my_app.py

@@ -28,6 +28,10 @@ def register():     # 注册验证
         messagebox.showwarning("错误","两次密码不一致!")
     else:
         users[name] = password1
+        content = json.dumps(users)  
+        with open("user.txt","w",encoding="utf-8") as file:
+            file.write(content)
+        messagebox.showinfo("成功","注册成功")              
 
 def login():    # 登录验证
     pass