diff --git a/course/serializers.py b/course/serializers.py
index e69de29..458a798 100644
--- a/course/serializers.py
+++ b/course/serializers.py
@@ -0,0 +1,8 @@
+from rest_framework import serializers
+from .models import Course
+from user.models import Student
+
+class CourseSerializers(serializers.ModelSerializer):
+    class Meta:
+        model = Course
+        fields = '__all__'
diff --git a/course/urls/student.py b/course/urls/student.py
index 11d65f2..8961ed5 100644
--- a/course/urls/student.py
+++ b/course/urls/student.py
@@ -1,4 +1,10 @@
 from django.conf.urls import url
+from course.views.student import GetAllCourseAPI,GetAllMessageAPI,GetMessageOfCourseAPI,GetMyCourseAPI,GetMyCourseByIDAPI
 
 urlpatterns = [
+    url(r'get-all-course/?$', GetAllCourseAPI.as_view(), name="get-all-course"),
+    url(r'get-all-message/?$', GetAllMessageAPI.as_view(), name="get-all-message"),
+    url(r'get-course-message/?$', GetMessageOfCourseAPI.as_view(), name="get-course-message"),
+    url(r'get-my-course/?$',GetMyCourseAPI.as_view(),name="get-my-course"),
+    url(r'get-my-course-by-id/?$',GetMyCourseByIDAPI.as_view(),name="get-my-course-by-id")
 ]
\ No newline at end of file
diff --git a/course/views/student.py b/course/views/student.py
index 2b3ae7e..557f040 100644
--- a/course/views/student.py
+++ b/course/views/student.py
@@ -1 +1,79 @@
-from utils.api import APIView
\ No newline at end of file
+from utils.api import APIView
+from course.models import Course, Message
+from course.serializers import CourseSerializers
+from utils.api import JSONResponse
+from django.forms import model_to_dict
+
+
+class GetAllCourseAPI(APIView):
+    #OK#
+    def get(self, request):
+        AllCourse = Course.objects.all()
+        AllCourseResult = []
+        for item in AllCourse:
+            item_result = model_to_dict(item)
+            del item_result['students']
+            del item_result['teachers']
+            AllCourseResult.append(item_result)
+        return self.success(AllCourseResult)
+
+
+class GetAllMessageAPI(APIView):
+    #OK#
+    def get(self, request):
+        AllMessage = Message.objects.all()
+        AllMessageResult = []
+        for item in AllMessage:
+            item_result = model_to_dict(item)
+            AllMessageResult.append(item_result)
+        return self.success(AllMessageResult)
+
+
+class GetMessageOfCourseAPI(APIView):
+    #OK#
+    def get(self, request):
+        course_id = int(request.GET.get('course_id'))
+        AllMessage = Message.objects.filter(course=course_id)
+        AllMessageResult = []
+        for item in AllMessage:
+            item_result = model_to_dict(item)
+            AllMessageResult.append(item_result)
+        return self.success(AllMessageResult)
+
+
+class GetMyCourseAPI(APIView):
+    # 根据student_number找到他的所有课程
+    def get(self, request):
+        studentNumber = request.GET.get('studentNumber')
+        AllCourse = Course.objects.all()
+        MyCourses = []
+        for item in AllCourse:
+            item_result = model_to_dict(item)
+            for student in item_result['students']:
+                print(student.student_number)
+                stu_num=""+student.student_number
+                if stu_num == studentNumber:
+                    del item_result['students']
+                    del item_result['teachers']
+                    MyCourses.append(item_result)
+                    break
+
+        return self.success(MyCourses)
+
+class GetMyCourseByIDAPI(APIView):
+    # 根据student的user id找到他的所有课程
+    def get(self, request):
+        studentID = request.GET.get('studentID')
+        AllCourse = Course.objects.all()
+        MyCourses = []
+        for item in AllCourse:
+            item_result = model_to_dict(item)
+            for student in item_result['students']:
+                stu_id=str(student.user.id)
+                if stu_id == studentID:
+                    del item_result['students']
+                    del item_result['teachers']
+                    MyCourses.append(item_result)
+                    break
+
+        return self.success(MyCourses)
\ No newline at end of file
diff --git a/oj/dev_settings.py b/oj/dev_settings.py
index 27a6548..cd02108 100644
--- a/oj/dev_settings.py
+++ b/oj/dev_settings.py
@@ -14,11 +14,11 @@
 
 DATABASES = {
     'default': {
-        'ENGINE': 'django.db.backends.mysql',
+       'ENGINE': 'django.db.backends.mysql',
         'HOST': os.getenv("DB_HOST", "127.0.0.1"),
         'PORT': os.getenv("DB_PORT", 3306),
         'USER': os.getenv("DB_USER", "root"),
         'PASSWORD': os.getenv("DB_USER", "root"),
         'NAME': os.getenv("DB_NAME", "oj"),
     }
-}
\ No newline at end of file
+}
diff --git a/oj/urls.py b/oj/urls.py
index 70c0424..af094a1 100644
--- a/oj/urls.py
+++ b/oj/urls.py
@@ -29,17 +29,20 @@
     url(r"^exam/student", include("exam.urls.admin")),
     url(r"^exam/examlist", include("exam.urls.admin")),
     url(r"^teacher/course/", include("course.urls.admin")),
+    url(r"^api/student/lab/", include("lab.urls.student")),
+    url(r"^api/student/course/", include("course.urls.student")),
     url(r"^teacher/course/stat/", include("course.urls.statistics")),
     url(r"^teacher/submission/stat/", include("submission.urls.statistics")),
     url(r"^teacher/student/stat/", include("user.urls.statistics")),
+    url(r"^api/student/submission", include("submission.urls.student")),
+    url(r"^api/student/problem", include("problem.urls.student")),
+    url(r"^api/student/user", include("user.urls.student")),
     url(r"^statistic/course/", include("course.urls.statistics")),
     url(r"^api/student/", include("lab.urls.student")),
     url(r"^student/lab/", include("lab.urls.student")),
     url(r"^auth/", include("user.urls.auth")),
     url(r"^swagger$", schema_view),
     url(r"^teacher/problem/", include("problem.urls.admin")),
-    url(r"^administrator/student/", include("user.urls.student")),
-    url(r"^teacher/submission/statistics/",
-        include("submission.urls.statistics")),
+    url(r"^teacher/submission/statistics/",include("submission.urls.statistics")),
     url(r"^distribution/", include("submission.urls.statistics")),
 ]
diff --git a/problem/urls/student.py b/problem/urls/student.py
index 11d65f2..b65608e 100644
--- a/problem/urls/student.py
+++ b/problem/urls/student.py
@@ -1,4 +1,7 @@
 from django.conf.urls import url
+from problem.views.student import GetProblemAPI,GetCaseOfProblemAPI
 
 urlpatterns = [
+    url(r"get-problem/?$", GetProblemAPI.as_view(), name="get-problem"),
+    url(r"get-problem-cases/?$", GetCaseOfProblemAPI.as_view(), name="get-problem-cases"),
 ]
\ No newline at end of file
diff --git a/problem/views/student.py b/problem/views/student.py
index 2b3ae7e..b9fa229 100644
--- a/problem/views/student.py
+++ b/problem/views/student.py
@@ -1 +1,26 @@
-from utils.api import APIView
\ No newline at end of file
+from utils.api import APIView, JSONResponse
+from rest_framework import status
+from django.http import HttpResponse, JsonResponse
+from ..models import Problem, Case
+from django.forms import model_to_dict
+
+class GetProblemAPI(APIView):
+    def get(self, request):
+        # get information from frontend #ok#
+        id_problem = int(request.GET.get('id_problem'))
+        problem_return = model_to_dict(Problem.objects.get(id=id_problem))
+        del problem_return['tags']
+        return self.success(problem_return)
+
+
+class GetCaseOfProblemAPI(APIView):
+    def get(self, request):
+        # get information from frontend #ok#
+        id_problem = int(request.GET.get('id_problem'))
+        case_list = Case.objects.filter(problem=id_problem)
+        case_list_result = []
+        for item in case_list:
+            item_result = model_to_dict(item)
+            del item_result['tags']
+            case_list_result.append(item_result)
+        return self.success(case_list_result)
diff --git a/submission/models.py b/submission/models.py
index fcf1d87..07779e8 100644
--- a/submission/models.py
+++ b/submission/models.py
@@ -27,8 +27,7 @@ class ProblemSubmission(models.Model):
     IP = models.CharField(max_length=20)
     language = models.IntegerField()
     submission_status = models.ForeignKey(CaseStatus, default=CaseStatus.default, on_delete=models.SET_DEFAULT)
-    cases = models.ManyToManyField(Case, blank=True, related_name='problem_submissions',
-                                   through='ProblemSubmissionCase')
+    cases = models.ManyToManyField(Case, blank=True, related_name='problem_submissions',through='ProblemSubmissionCase')
     lectures = models.ManyToManyField(Lecture, blank=True, related_name='problem_submissions')
 
 
diff --git a/submission/urls/student.py b/submission/urls/student.py
index 11d65f2..bab2f57 100644
--- a/submission/urls/student.py
+++ b/submission/urls/student.py
@@ -1,4 +1,14 @@
 from django.conf.urls import url
+from ..views.student import GetAllStudentSubmissionAPI
+from ..views.student import GetUserSubmissionAPI
+from ..views.student import AddLabAttachmentAPI
+from ..views.student import CreateProblemSubmissionAPI
+from ..views.student import GetProblemSubmissionAPI
 
 urlpatterns = [
+    url(r"get_all_submission/?$", GetAllStudentSubmissionAPI.as_view(), name="get_all_submission"),
+    url(r"get_user_submission/?$", GetUserSubmissionAPI.as_view(), name="get_user_submission"),
+    url(r"get_problem_submission/?$", GetProblemSubmissionAPI.as_view(), name="get_problem_submission"),
+    url(r"add_ab_attachment/?$", AddLabAttachmentAPI.as_view(), name="add_ab_attachment"),    
+    url(r"add_problem_submission/?$", CreateProblemSubmissionAPI.as_view(), name="add_problem_submission"),    
 ]
\ No newline at end of file
diff --git a/submission/views/student.py b/submission/views/student.py
index 2b3ae7e..eab0818 100644
--- a/submission/views/student.py
+++ b/submission/views/student.py
@@ -1 +1,114 @@
-from utils.api import APIView
\ No newline at end of file
+from utils.api import APIView
+from rest_framework import status
+from ..serializers import ProblemSubmissionSerializers1
+from django.http import HttpResponse, JsonResponse
+from submission.models import ProblemSubmission, CaseStatus
+from lab.models import LabSubmission,Attachment
+from django.forms import model_to_dict
+import time; 
+
+class GetProblemSubmissionAPI(APIView): # 获取一个学生的所有提交记录 #OK#
+    def get(self, request):
+        submission_problem_id = int(request.GET.get('problem_id'))
+        problem_submission = ProblemSubmission.objects.filter(problem=submission_problem_id)
+        caseStatusResult = CaseStatus.objects.all()
+        caseStatusDemo = []
+        for item in caseStatusResult:
+            caseStatusDemo.append(model_to_dict(item))
+
+        problem_submission_result = []
+        for item in problem_submission:
+            item_result = model_to_dict(item)
+            del item_result['cases']
+            item_result['create_at'] = str(item.created_at)
+            item_result['status'] = caseStatusDemo[int(item_result['submission_status'])]['name']
+            problem_submission_result.append(item_result)
+        return self.success(problem_submission_result)
+
+class GetAllStudentSubmissionAPI(APIView): # 获取一个学生的所有提交记录 #OK#
+    def get(self, request):
+        submission_student_id = int(request.GET.get('student_id'))
+        student_submission = ProblemSubmission.objects.filter(student=submission_student_id)
+        caseStatusResult = CaseStatus.objects.all()
+        caseStatusDemo = []
+        for item in caseStatusResult:
+            caseStatusDemo.append(model_to_dict(item))
+
+        student_submission_result = []
+        for item in student_submission:
+            item_result = model_to_dict(item)
+            del item_result['cases']
+            item_result['create_at'] = str(item.created_at)
+            item_result['status'] = caseStatusDemo[int(item_result['submission_status'])]['name']
+            student_submission_result.append(item_result)
+        return self.success(student_submission_result)
+
+class GetUserSubmissionAPI(APIView): #  获取一个学生关于一道题目的提交记录
+    def get(self, request):
+        submission_student_id = int(request.GET.get('student_id'))
+        submission_problem_id = int(request.GET.get('problem_id'))  
+        # query from database for submissions of student and problem 
+        caseStatusResult = CaseStatus.objects.all()
+        caseStatusDemo = []
+        for item in caseStatusResult:
+            caseStatusDemo.append(model_to_dict(item))
+
+        userPersonalSubmission = ProblemSubmission.objects.filter(student=submission_student_id, problem=submission_problem_id)
+        userPersonalSubmissionResult = []
+        for item in userPersonalSubmission:
+            item_result = model_to_dict(item)
+            del item_result['cases']
+            item_result['create_at'] = str(item.created_at)
+            item_result['status'] = caseStatusDemo[int(item_result['submission_status'])]['name']
+            userPersonalSubmissionResult.append(item_result)
+        return self.success(userPersonalSubmissionResult)
+
+
+class CreateProblemSubmissionAPI(APIView): #  获取一个学生关于一道题目的提交记录
+    def post(self, request):
+        submission_student_id = int(request.GET.get('student_id'))
+        submission_problem_id = int(request.GET.get('problem_id'))
+        submission_program = str(request.GET.get('program'))
+        submission_create_at= time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()) 
+        submission_runtime = int(request.GET.get('runtime'))
+        submission_memory = int(request.GET.get('memory'))
+        submission_ip = str(request.GET.get('ip'))
+        submission_language = int(request.GET.get('language'))
+        submission_status_id = int(request.GET.get('status'))
+
+        submission_result = ProblemSubmission.objects.create(
+            problem=submission_problem_id,
+            student=submission_student_id,
+            program=submission_program,
+            created_at=submission_create_at,
+            runtime=submission_runtime,
+            memory=submission_memory,
+            Ip=submission_ip,
+            language=submission_language,
+            submission_status=submission_status_id,
+            )
+
+        submission_result = model_to_dict(submission_result)
+        return self.success(submission_result)
+
+class AddLabAttachmentAPI(APIView):
+    # create submission of a lab
+    def post(self, request):
+        submission_student_id = int(request.GET.get('id_user'))
+        course_id = int(request.GET.get('id_course'))
+        lab_id = int(request.GET.get('id_lab'))
+        attachment_path = int(request.GET.get('file'))
+        # query from database for submissions of student and problem 
+        try:
+            labSubmission = LabSubmission.objects.filter(id_student=submission_student_id, id_lab=lab_id)
+        except ProblemSubmission.DoesNotExist:
+            return HttpResponse(status=404)
+        try:
+            attachment = Attachment.objects.create(
+                id_lab_submission = labSubmission.id,
+                path = attachment_path
+            )
+        except Exception as e:
+            return HttpResponse(status=-1)
+        return HttpResponse(status=0)
+
diff --git a/user/urls/student.py b/user/urls/student.py
index ab4af31..3871c45 100644
--- a/user/urls/student.py
+++ b/user/urls/student.py
@@ -1,8 +1,9 @@
 from django.conf.urls import url
-from user.views.student import GetStudentListAPI,DeleteStudentAPI
+from user.views.student import GetStudentListAPI,DeleteStudentAPI, GetStudentAPI
 
 urlpatterns = [
     url(r'student_list?$', GetStudentListAPI.as_view(), name="get_student_list"),
-    url(r'student_delete?$', DeleteStudentAPI.as_view(), name="delete_student")
+    url(r'student_delete?$', DeleteStudentAPI.as_view(), name="delete_student"),
+    url(r'student_get/?$', GetStudentAPI.as_view(), name="get_student")
     
 ]
\ No newline at end of file
diff --git a/user/views/student.py b/user/views/student.py
index 777022d..660bfd5 100644
--- a/user/views/student.py
+++ b/user/views/student.py
@@ -1,10 +1,54 @@
+from utils.api import APIView, JSONResponse
+from rest_framework import status
+from django.http import HttpResponse, JsonResponse
+from course.models import Course
 import math
 from django.contrib.auth.models import Group
 from django.db.models import Model
-
 from utils.api import APIView, JSONResponse
-
 from ..models import Student,UserStatus,Gender,User
+from django.forms import model_to_dict
+
+class GetStudentAPI(APIView):
+    def get(self, request):
+        # get information from frontend #OK#
+        id_user = int(request.GET.get('id_user'))
+        NowStudent = Student.objects.get(user=id_user)
+        NowStudentResult = model_to_dict(NowStudent)
+        del NowStudentResult['followers']
+        del NowStudentResult['achievements']
+        return self.success(NowStudentResult)
+
+def LoginStudentAPI(APIView):
+    # Login API
+    def post(self, request):
+        studentName = request.GET.get('name')
+        studentPasswordHash = request.GET.get('password_hash')
+        studentUser = Student.objects.get(name=studentName)
+        if studentUser:
+            if studentUser.password_hash == studentPasswordHash:
+                return HttpResponse(status=0)
+            else:
+                return HttpResponse(status=1)
+        else:
+            return HttpResponse(status=-1)
+
+
+def GetStudentCourseAPI(APIView):
+    # Get Course of an Student
+    def get(self, request):
+        idStudent = int(request.GET.get('id_student'))
+        courseListID = CourseStudent.object.filter(id_student = idStudent)
+        courseList = []
+        for item in courseListID.data:
+            studentCourse = Course.object.get(id = item.id_course)
+            courseList.append(studentCourse)
+        courseListSerializer = CourseSerializers(courseList)
+        return JsonResponse(courseListSerializer.data,status=status.HTTP_200_OK)
+
+def GetMessageAPI(APiView):
+    pass
+