auto save

my_app.py

@@ -28,10 +28,12 @@ def register():     # 注册验证
         messagebox.showwarning('错误','两次密码不一致！')
     else:
         users1[name] = password1
+        con=json.dumps(users1)
         with open('user.txt','w',encoding='utf-8') as f:
-            info = f.write()
-            users = json.loads(info)
-
+            f.write(con)
+            # users = json.loads(info)
+        messagebox.showinfo('成功','注册成功')
+        reg_to_login()
 def login():    # 登录验证
     pass