save project

my_app.py

@@ -25,7 +25,8 @@ def register():
     elif password1 != password2:
         messagebox.showwarning("错误","两次密码不一致！")
     else:users[name]=json.dumps(users)
-    with open("user.txt","w",encoding="utf-8") as file:
+        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")
     reg_to_login()

user.txt

-{"admin": "123456"}
\ No newline at end of file