diff --git a/app/page.tsx b/app/page.tsx
index 6ae4550..8df6fc2 100644
--- a/app/page.tsx
+++ b/app/page.tsx
@@ -64,6 +64,45 @@ export default function HomePage() {
     return mapping[employment as keyof typeof mapping] || employment
   }
 
+  const formatNullableField = (value: string | null | undefined) => {
+    if (!value || value === 'null') return 'Не указано'
+    return value
+  }
+
+  const VacancyPlaceholder = () => (
+    <div className="bg-white rounded-lg shadow-md border border-gray-200 p-6">
+      <div className="space-y-4">
+        <div className="h-6 bg-gray-200 rounded animate-pulse"></div>
+        <div className="space-y-2">
+          <div className="h-4 bg-gray-200 rounded animate-pulse w-3/4"></div>
+          <div className="h-4 bg-gray-200 rounded animate-pulse w-2/3"></div>
+          <div className="h-4 bg-gray-200 rounded animate-pulse w-1/2"></div>
+        </div>
+        <div className="space-y-2">
+          <div className="h-4 bg-gray-200 rounded animate-pulse"></div>
+          <div className="h-4 bg-gray-200 rounded animate-pulse w-4/5"></div>
+        </div>
+        <div className="flex justify-between items-center">
+          <div className="h-6 bg-gray-200 rounded-full animate-pulse w-24"></div>
+          <div className="h-4 bg-gray-200 rounded animate-pulse w-16"></div>
+        </div>
+      </div>
+    </div>
+  )
+
+  const getVacanciesWithPlaceholders = (vacancies: VacancyRead[]) => {
+    const itemsPerRow = 3
+    const remainder = vacancies.length % itemsPerRow
+    const placeholdersNeeded = remainder === 0 ? 0 : itemsPerRow - remainder
+    
+    const placeholders = Array(placeholdersNeeded).fill(null).map((_, index) => ({
+      id: `placeholder-${index}`,
+      isPlaceholder: true
+    }))
+    
+    return [...vacancies, ...placeholders]
+  }
+
   if (isLoading) {
     return (
       <div className="flex justify-center items-center min-h-[400px]">
@@ -123,57 +162,64 @@ export default function HomePage() {
       {/* Vacancies Grid */}
       {!error && vacancies.length > 0 && (
         <div className="grid gap-6 md:grid-cols-2 lg:grid-cols-3">
-          {vacancies.map((vacancy) => (
-            <Link
-              key={vacancy.id}
-              href={`/vacancy/${vacancy.id}`}
-              className="block bg-white rounded-lg shadow-md hover:shadow-lg transition-shadow border border-gray-200"
-            >
-              <div className="p-6">
-                <div className="flex items-start justify-between mb-4">
-                  <h3 className="text-lg font-semibold text-gray-900 line-clamp-2">
-                    {vacancy.title}
-                  </h3>
-                  {vacancy.premium && (
-                    <span className="ml-2 px-2 py-1 bg-yellow-100 text-yellow-800 text-xs font-medium rounded">
-                      Premium
+          {getVacanciesWithPlaceholders(vacancies).map((item, index) => {
+            if ('isPlaceholder' in item) {
+              return <VacancyPlaceholder key={item.id} />
+            }
+            
+            const vacancy = item as VacancyRead
+            return (
+              <Link
+                key={vacancy.id}
+                href={`/vacancy/${vacancy.id}`}
+                className="block bg-white rounded-lg shadow-md hover:shadow-lg transition-shadow border border-gray-200"
+              >
+                <div className="p-6">
+                  <div className="flex items-start justify-between mb-4">
+                    <h3 className="text-lg font-semibold text-gray-900 line-clamp-2">
+                      {vacancy.title}
+                    </h3>
+                    {vacancy.premium && (
+                      <span className="ml-2 px-2 py-1 bg-yellow-100 text-yellow-800 text-xs font-medium rounded">
+                        Premium
+                      </span>
+                    )}
+                  </div>
+
+                  <div className="space-y-2 mb-4">
+                    <div className="flex items-center text-gray-600 text-sm">
+                      <Banknote className="h-4 w-4 mr-2" />
+                      <span>{formatSalary(vacancy)}</span>
+                    </div>
+                    
+                    <div className="flex items-center text-gray-600 text-sm">
+                      <MapPin className="h-4 w-4 mr-2" />
+                      <span>{formatNullableField(vacancy.area_name)}</span>
+                    </div>
+                    
+                    <div className="flex items-center text-gray-600 text-sm">
+                      <Clock className="h-4 w-4 mr-2" />
+                      <span>{getExperienceText(vacancy.experience)}</span>
+                    </div>
+                  </div>
+
+                  <div className="text-sm text-gray-700 mb-4">
+                    <p className="font-medium">{formatNullableField(vacancy.company_name)}</p>
+                    <p className="line-clamp-2 mt-1">{formatNullableField(vacancy.description)}</p>
+                  </div>
+
+                  <div className="flex items-center justify-between">
+                    <span className="px-3 py-1 bg-primary-100 text-primary-800 text-xs font-medium rounded-full">
+                      {getEmploymentText(vacancy.employment_type)}
+                    </span>
+                    <span className="text-xs text-gray-500">
+                      {new Date(vacancy.published_at || vacancy.created_at).toLocaleDateString('ru-RU')}
                     </span>
-                  )}
-                </div>
-
-                <div className="space-y-2 mb-4">
-                  <div className="flex items-center text-gray-600 text-sm">
-                    <Banknote className="h-4 w-4 mr-2" />
-                    <span>{formatSalary(vacancy)}</span>
-                  </div>
-                  
-                  <div className="flex items-center text-gray-600 text-sm">
-                    <MapPin className="h-4 w-4 mr-2" />
-                    <span>{vacancy.area_name || 'Не указано'}</span>
-                  </div>
-                  
-                  <div className="flex items-center text-gray-600 text-sm">
-                    <Clock className="h-4 w-4 mr-2" />
-                    <span>{getExperienceText(vacancy.experience)}</span>
                   </div>
                 </div>
-
-                <div className="text-sm text-gray-700 mb-4">
-                  <p className="font-medium">{vacancy.company_name || 'Не указано'}</p>
-                  <p className="line-clamp-2 mt-1">{vacancy.description}</p>
-                </div>
-
-                <div className="flex items-center justify-between">
-                  <span className="px-3 py-1 bg-primary-100 text-primary-800 text-xs font-medium rounded-full">
-                    {getEmploymentText(vacancy.employment_type)}
-                  </span>
-                  <span className="text-xs text-gray-500">
-                    {new Date(vacancy.published_at || vacancy.created_at).toLocaleDateString('ru-RU')}
-                  </span>
-                </div>
-              </div>
-            </Link>
-          ))}
+              </Link>
+            )
+          })}
         </div>
       )}
 
diff --git a/app/vacancy/[id]/page.tsx b/app/vacancy/[id]/page.tsx
index 2391c4d..3d57204 100644
--- a/app/vacancy/[id]/page.tsx
+++ b/app/vacancy/[id]/page.tsx
@@ -74,6 +74,11 @@ export default function VacancyPage() {
     return mapping[schedule as keyof typeof mapping] || schedule
   }
 
+  const formatNullableField = (value: string | null | undefined) => {
+    if (!value || value === 'null') return 'Не указано'
+    return value
+  }
+
   if (isLoading) {
     return (
       <div className="flex justify-center items-center min-h-[400px]">
@@ -131,7 +136,7 @@ export default function VacancyPage() {
             <div className="flex items-center mb-6">
               <Building className="h-5 w-5 text-gray-400 mr-2"/>
               <span className="text-lg font-medium text-gray-900">
-                {vacancy.company_name || 'Не указано'}
+                {formatNullableField(vacancy.company_name)}
               </span>
             </div>
 
@@ -143,7 +148,7 @@ export default function VacancyPage() {
 
               <div className="flex items-center text-gray-600">
                 <MapPin className="h-4 w-4 mr-2" />
-                <span>{vacancy.area_name || 'Не указано'}</span>
+                <span>{formatNullableField(vacancy.area_name)}</span>
               </div>
 
               <div className="flex items-center text-gray-600">
@@ -158,7 +163,7 @@ export default function VacancyPage() {
 
               <div className="flex items-center text-gray-600">
                 <Calendar className="h-4 w-4 mr-2"/>
-                <span>{ getScheduleText(vacancy.schedule) }</span>
+                <span>{ formatNullableField(getScheduleText(vacancy.schedule)) }</span>
               </div>
 
               { vacancy.published_at && (
@@ -177,7 +182,7 @@ export default function VacancyPage() {
             </h2>
             <div className="prose prose-gray max-w-none">
               <p className="whitespace-pre-line text-gray-700 leading-relaxed">
-                { vacancy.description }
+                { formatNullableField(vacancy.description) }
               </p>
             </div>
           </div>
@@ -189,7 +194,7 @@ export default function VacancyPage() {
                 Ключевые навыки
               </h2>
               <div className="prose prose-gray max-w-none">
-                <p className="text-gray-700">{ vacancy.key_skills }</p>
+                <p className="text-gray-700">{ formatNullableField(vacancy.key_skills) }</p>
               </div>
             </div>
           ) }
@@ -202,7 +207,7 @@ export default function VacancyPage() {
               </h2>
               <div className="prose prose-gray max-w-none">
                 <p className="whitespace-pre-line text-gray-700 leading-relaxed">
-                  { vacancy.company_description }
+                  { formatNullableField(vacancy.company_description) }
                 </p>
               </div>
             </div>
@@ -218,13 +223,13 @@ export default function VacancyPage() {
                 { vacancy.address && (
                   <div className="flex items-start">
                     <MapPin className="h-4 w-4 mr-2 mt-0.5 flex-shrink-0"/>
-                    <span>{ vacancy.address }</span>
+                    <span>{ formatNullableField(vacancy.address) }</span>
                   </div>
                 ) }
                 { vacancy.metro_stations && (
                   <div className="flex items-start">
                     <span className="text-sm font-medium mr-2">Метро:</span>
-                    <span className="text-sm">{ vacancy.metro_stations }</span>
+                    <span className="text-sm">{ formatNullableField(vacancy.metro_stations) }</span>
                   </div>
                 ) }
               </div>
@@ -244,7 +249,7 @@ export default function VacancyPage() {
                 { vacancy.contacts_name && (
                   <div className="flex items-center text-gray-700">
                     <Users className="h-4 w-4 mr-2"/>
-                    <span>{ vacancy.contacts_name }</span>
+                    <span>{ formatNullableField(vacancy.contacts_name) }</span>
                   </div>
                 ) }
                 { vacancy.contacts_email && (
@@ -254,7 +259,7 @@ export default function VacancyPage() {
                       href={ `mailto:${ vacancy.contacts_email }` }
                       className="hover:text-primary-600"
                     >
-                      { vacancy.contacts_email }
+                      { formatNullableField(vacancy.contacts_email) }
                     </a>
                   </div>
                 ) }
@@ -265,7 +270,7 @@ export default function VacancyPage() {
                       href={ `tel:${ vacancy.contacts_phone }` }
                       className="hover:text-primary-600"
                     >
-                      { vacancy.contacts_phone }
+                      { formatNullableField(vacancy.contacts_phone) }
                     </a>
                   </div>
                 ) }
diff --git a/components/VacancyUploadForm.tsx b/components/VacancyUploadForm.tsx
index 6bd7db3..f7ddd39 100644
--- a/components/VacancyUploadForm.tsx
+++ b/components/VacancyUploadForm.tsx
@@ -57,7 +57,6 @@ export default function VacancyUploadForm() {
     e.preventDefault()
     
     if (!selectedFile) {
-      alert('Пожалуйста, выберите файл')
       return
     }
 
@@ -71,7 +70,6 @@ export default function VacancyUploadForm() {
       setSelectedFile(null)
     } catch (error) {
       console.error('Ошибка при загрузке файла:', error)
-      alert('Произошла ошибка при загрузке файла')
     }
   }
 
diff --git a/hooks/useVacancy.ts b/hooks/useVacancy.ts
index 422c782..657c0de 100644
--- a/hooks/useVacancy.ts
+++ b/hooks/useVacancy.ts
@@ -7,7 +7,8 @@ export const useVacancies = (params?: GetVacanciesParams) => {
   return useQuery({
     queryKey: ['vacancies', params],
     queryFn: () => vacancyService.getVacancies(params),
-    staleTime: 5 * 60 * 1000, // 5 minutes
+    staleTime: 0, // Данные сразу считаются устаревшими
+    refetchInterval: 5000, // Обновлять каждые 5 секунд
     retry: 2,
   })
 }
@@ -23,39 +24,57 @@ export const useVacancy = (id: number) => {
 }
 
 export const useParseVacancyFile = () => {
-  const queryClient = useQueryClient()
-  const pollIntervalRef = useRef<NodeJS.Timeout | null>(null)
-
   const mutation = useMutation({
     mutationFn: ({ file, createVacancy }: { file: File; createVacancy?: boolean }) =>
       vacancyService.parseFileAsync(file, createVacancy),
     onSuccess: (data) => {
-      // Показать уведомление об успешном запуске парсинга
-      alert('Задача парсинга запущена! Скоро вакансия появится в списке.')
-      
-      // Начать опрос списка вакансий каждые 5 секунд
-      pollIntervalRef.current = setInterval(() => {
-        queryClient.invalidateQueries({ queryKey: ['vacancies'] })
-      }, 5000)
-      
-      // Остановить опрос через 2 минуты
-      setTimeout(() => {
-        if (pollIntervalRef.current) {
-          clearInterval(pollIntervalRef.current)
-          pollIntervalRef.current = null
-        }
-      }, 120000)
+      // Показать toast уведомление
+      showToast('Задача парсинга запущена! Скоро вакансия появится в списке.')
     },
   })
 
-  // Очистить интервал при размонтировании компонента
-  useEffect(() => {
-    return () => {
-      if (pollIntervalRef.current) {
-        clearInterval(pollIntervalRef.current)
-      }
-    }
-  }, [])
-
   return mutation
+}
+
+// Простая функция для показа toast без React компонента
+const showToast = (message: string) => {
+  // Создать элемент toast
+  const toast = document.createElement('div')
+  toast.textContent = message
+  toast.style.cssText = `
+    position: fixed;
+    bottom: 40px;
+    right: 20px;
+    background: #10b981;
+    color: white;
+    padding: 12px 20px;
+    border-radius: 8px;
+    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
+    font-family: system-ui, -apple-system, sans-serif;
+    font-size: 14px;
+    z-index: 9999;
+    max-width: 300px;
+    word-wrap: break-word;
+    transition: opacity 0.3s ease, transform 0.3s ease;
+    transform: translateX(100%);
+  `
+  
+  // Добавить в DOM
+  document.body.appendChild(toast)
+  
+  // Анимация появления
+  setTimeout(() => {
+    toast.style.transform = 'translateX(0)'
+  }, 10)
+  
+  // Удалить через 5 секунд
+  setTimeout(() => {
+    toast.style.opacity = '0'
+    toast.style.transform = 'translateX(100%)'
+    setTimeout(() => {
+      if (toast.parentNode) {
+        document.body.removeChild(toast)
+      }
+    }, 300)
+  }, 10000)
 }
\ No newline at end of file