diff --git a/EduSystemServer/EduSystemServer/utils.py b/EduSystemServer/EduSystemServer/utils.py
index ae7fc00..39bb512 100644
--- a/EduSystemServer/EduSystemServer/utils.py
+++ b/EduSystemServer/EduSystemServer/utils.py
@@ -1,5 +1,5 @@
 from functools import wraps
-from django.http import HttpResponseForbidden, JsonResponse
+from django.http import JsonResponse
 
 
 def permission(allowed_roles):
diff --git a/EduSystemServer/course/admin.py b/EduSystemServer/course/admin.py
index 0df0f99..9def42e 100644
--- a/EduSystemServer/course/admin.py
+++ b/EduSystemServer/course/admin.py
@@ -1,8 +1,11 @@
 from django.contrib import admin
 from .models import Course, SC
+
 # Register your models here.
 
 admin.site.site_header = '教务系统管理端'
+
+
 class CourseAdmin(admin.ModelAdmin):
     '''设置列表可显示的字段'''
     list_display = ('cid', 'name', 'type', 'credit', "tid")
@@ -16,15 +19,16 @@ class CourseAdmin(admin.ModelAdmin):
     '''设置可编辑字段'''
     list_editable = ('name', 'type', 'credit', "tid")
 
-
     '''按发布日期排序'''
     ordering = ('-credit',)
 
     search_fields = ('name', 'type', 'credit', "tid")
 
+
 class ScAdmin(admin.ModelAdmin):
     list_display = ('student_name', 'course_name', 'middle_grade', 'end_grade')
     list_per_page = 5
+
     def student_name(self, obj):
         print(obj)
         return obj.sid.name
@@ -38,4 +42,4 @@ class ScAdmin(admin.ModelAdmin):
 
 
 admin.site.register(Course, CourseAdmin)
-admin.site.register(SC, ScAdmin)
\ No newline at end of file
+admin.site.register(SC, ScAdmin)
diff --git a/EduSystemServer/course/views.py b/EduSystemServer/course/views.py
index cd38547..fbb3c5d 100644
--- a/EduSystemServer/course/views.py
+++ b/EduSystemServer/course/views.py
@@ -44,6 +44,7 @@ def search_course(request):
     result["pageNum"] = paginator.num_pages
     return JsonResponse(result)
 
+
 @permission(allowed_roles=["student"])
 def get_course_by_student_id(request):
     """
@@ -61,6 +62,7 @@ def get_course_by_student_id(request):
     result = ResponseUtil.ok(data)
     return JsonResponse(result)
 
+
 @permission(allowed_roles=["student"])
 def delete_select_course(request):
     """
@@ -77,6 +79,7 @@ def delete_select_course(request):
     except Exception as E:
         return JsonResponse(ResponseUtil.error(E))
 
+
 @csrf_exempt
 @permission(allowed_roles=["teacher", "admin"])
 def get_student_select_course(request):
diff --git a/EduSystemServer/dist/favicon1.ico b/EduSystemServer/dist/favicon1.ico
deleted file mode 100644
index df36fcf..0000000
Binary files a/EduSystemServer/dist/favicon1.ico and /dev/null differ
diff --git a/EduSystemServer/teacher/admin.py b/EduSystemServer/teacher/admin.py
index 13d9891..4ca6ab7 100644
--- a/EduSystemServer/teacher/admin.py
+++ b/EduSystemServer/teacher/admin.py
@@ -12,4 +12,5 @@ class TeacherAdmin(admin.ModelAdmin):
     list_filter = ("sex", "title", "education", "dept")
     search_fields = ("name", "sex", "title", "education", "dept")
 
+
 admin.site.register(Teacher, TeacherAdmin)
\ No newline at end of file