Django simpleui自定义首页

根据 [Django实战: 手把手教你配置Django SimpleUI打造美丽后台(多图)https://blog.csdn.net/weixin_42134789/article/details/116772878?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522167939570816800213049298%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fblog.%2522%257D&request_id=167939570816800213049298&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~blog~first_rank_ecpm_v1~rank_v31_ecpm-2-116772878-null-null.article_score_rank_blog&utm_term=simple&spm=1018.2226.3001.4450]进行自定义首页，出错了，以下为代码与报错：
view.py

def Dashboard(request):
    user_count = User.objects.count()
    school_count = School.objects.count()
    major_count = Major.objects.count()
    material_count = Material.objects.count()

    context = { 'user_count': user_count , 'school_count': school_count, 'major_count':major_count, 'material_count':material_count }
    return render(request, 'my_api/dashboard.html',context)

urls.py

from django.urls import path

from rest_framework.routers import DefaultRouter
from . import views

urlpatterns = [path('dashboard/', views.Dashboard, name='dashboard'),]

router = DefaultRouter()  # 创建路由器路由
# 注册路由
router.register('schools', views.SchoolInfoViewSet)
router.register('materials', views.MaterialViewSet)
router.register('majors', views.MajorInfoViewSet)
router.register('materialInfo', views.MaterialInfoViewSet)
router.register('collect', views.CollectViewSet)
router.register('links', views.LinkViewSet)
router.register('feedback', views.FeedbackViewSet)
router.register('yeardata', views.YeardataViewSet)
router.register('peoplenumber', views.PeoplenumberViewSet)
urlpatterns += router.urls
# 把生成好的路由拼接到 urlpatterns

settings.py

# 修改左侧菜单首页设置
SIMPLEUI_HOME_PAGE = '/admin/my_api/dashboard/'  # 指向页面
SIMPLEUI_HOME_TITLE = '系统首页'  # 首页标题
SIMPLEUI_HOME_ICON = 'fa fa-home'  # 首页图标

报错内容：

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