如何映射ManyToMany关系？POST请求

CREATE TABLE Student (
    id INT PRIMARY KEY,
    name VARCHAR(255)
);

CREATE TABLE Course (
    id INT PRIMARY KEY,
    title VARCHAR(255)
);

CREATE TABLE Student_Course (
    student_id INT,
    course_id INT,
    PRIMARY KEY (student_id, course_id),
    FOREIGN KEY (student_id) REFERENCES Student(id),
    FOREIGN KEY (course_id) REFERENCES Course(id)
);

from django.db import models

class Student(models.Model):
    name = models.CharField(max_length=255)

class Course(models.Model):
    title = models.CharField(max_length=255)
    students = models.ManyToManyField(Student, through='StudentCourse')

class StudentCourse(models.Model):
    student = models.ForeignKey(Student, on_delete=models.CASCADE)
    course = models.ForeignKey(Course, on_delete=models.CASCADE)

from rest_framework import viewsets
from rest_framework.response import Response
from .models import Student, Course, StudentCourse
from .serializers import StudentCourseSerializer

class StudentCourseViewSet(viewsets.ModelViewSet):
    queryset = StudentCourse.objects.all()
    serializer_class = StudentCourseSerializer

    def create(self, request, *args, **kwargs):
        serializer = self.get_serializer(data=request.data)
        serializer.is_valid(raise_exception=True)
        self.perform_create(serializer)
        headers = self.get_success_headers(serializer.data)
        return Response(serializer.data, status=201, headers=headers)

from rest_framework import serializers
from .models import StudentCourse

class StudentCourseSerializer(serializers.ModelSerializer):
    class Meta:
        model = StudentCourse
        fields = ['student', 'course']