curl --location --request DELETE 'http://127.0.0.1:3000/classInfo/deleteById/4' \
--header 'Authorization: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpZCI6MTEzOCwiYWNjb3VudCI6IllNTSIsInBhc3N3b3JkIjoiYTA4MGMyNWM0ZTA2ODI5MmExMGYzYjlhZDRlM2RiNzMiLCJlbWFpbCI6IjE3Mzg1ODk3NTQ4QDE2My5jb20iLCJjcmVhdGVfYXQiOiIyMDIzLTEwLTIzVDA2OjM2OjQwLjAwMFoiLCJ1cGRhdGVfYXQiOm51bGwsImlzX2RlbCI6MCwiaWF0IjoxNjk4MjM4NTI2LCJleHAiOjE2OTkxMDI1MjZ9.C8WP4bzrHbOJc34ICQJWsTYmNCHa31rkdz9Wn396Ddg'
{
"code": 0,
"msg": "string"
}