Golang报错mixture of field:value and value initializers

package main

import (
    "fmt"
)

type Person struct {
    Name string
    Age  int
    Sex  string
}

type Student struct {
    Person
    Id    string
    Grade string
}


func main() {
    s1 := Student{Person: Person{Name: "张三", Age: 13, Sex: "男"}, Id: "13321", Grade: "三年级"}
    fmt.Printf("%+v\n", s1)

    s2 := Student{Person{"张三", 13, "男"}, "12312", "三年级"}
    fmt.Println(s2)

    s3 := Student{Person{Name: "张三", Age: 13, Sex: "男"}, Id: "13321", Grade: "三年级"} //报错 mixture of field:value and value initializers（字段的混合：值和值初始化器）
    fmt.Println(s3)
}