diff --git a/back/api/settings.py b/back/api/settings.py
index e1d980d..e25af13 100644
--- a/back/api/settings.py
+++ b/back/api/settings.py
@@ -31,6 +31,7 @@ DEBUG = True
 ALLOWED_HOSTS = []
 CORS_ALLOWED_ORIGINS = [
     'http://localhost:3000',
+    'http://192.168.103.159:3000'
 ]
 
 # Application definition
diff --git a/back/inventory/models.py b/back/inventory/models.py
index ac18d18..683a8c1 100644
--- a/back/inventory/models.py
+++ b/back/inventory/models.py
@@ -34,8 +34,8 @@ class Element(models.Model):
     id = models.AutoField(primary_key=True)
     external_id = models.CharField()
     element_id = models.CharField(max_length=100)
-    photo = models.ImageField(upload_to=".")
-    additional_text = models.TextField()
+    photo = models.ImageField(upload_to=".", null=True)
+    additional_text = models.TextField(null=True, blank=True, default="")
     created_at = models.DateTimeField(auto_now_add=True)
 
     inventory = models.ForeignKey(
diff --git a/back/inventory/serializers.py b/back/inventory/serializers.py
index e1aecff..87c7160 100644
--- a/back/inventory/serializers.py
+++ b/back/inventory/serializers.py
@@ -1,4 +1,6 @@
 from rest_framework import serializers
+from rest_framework.validators import UniqueValidator
+
 from .models import Element, InventoryItem, Partner
 import logging
 
@@ -37,7 +39,10 @@ class InventorySerializer(serializers.ModelSerializer):
 
 class ElementSerializer(serializers.ModelSerializer):
     inventory_name = serializers.CharField(source="inventory.name", read_only=True)
-
+    element_id = serializers.CharField(
+        max_length=100,
+        validators=[UniqueValidator(queryset=Element.objects.all())]
+    )
     class Meta:
         model = Element
         fields = [
diff --git a/back/inventory/views.py b/back/inventory/views.py
index 7ff0a92..75d7424 100644
--- a/back/inventory/views.py
+++ b/back/inventory/views.py
@@ -158,21 +158,28 @@ class ElementViewSet(viewsets.ModelViewSet):
             )
         inventory_serializer = InventorySerializer(inventory_object, many=False)
 
-        element_item = Element.objects.create(
-            inventory=inventory_object,
-            external_id=data["element"],
-            element_id=data["element_id"],
-            additional_text=data["element_additional_data"],
-        )
-        element_serializer = ElementSerializer(element_item, many=False)
-
-        return Response(
-            {
-                "partner": partner_serializer.data,
-                "inventory": inventory_serializer.data,
-                "element": element_serializer.data,
-            }
-        )
+        element_data = {
+            "inventory": inventory_object.id,
+            "external_id": data["element"],
+            "element_id": data["element_id"],
+        }
+        if "element_additional_data" in data:
+            element_data["additional_text"] = data["element_additional_data"]
+        element_serializer = ElementSerializer(data=element_data, many=False)
+        if element_serializer.is_valid():
+            element_data["inventory"] = inventory_object
+            Element.objects.create(**element_data)
+            return Response(
+                {
+                    "partner": partner_serializer.data,
+                    "inventory": inventory_serializer.data,
+                    "element": element_serializer.data,
+                }
+            )
+        else:
+            return Response(
+                element_serializer.errors, status=status.HTTP_500_INTERNAL_SERVER_ERROR
+            )
 
     @action(
         detail=False,
diff --git a/dev.sh b/dev.sh
index 15d80e0..53b3d51 100755
--- a/dev.sh
+++ b/dev.sh
@@ -1,3 +1,3 @@
 #!/bin/bash
-x-terminal-emulator -title "To Invetory FRONT" -e "cd front && npm run dev"&
+x-terminal-emulator -title "To Invetory FRONT" -e "cd front && npm run dev -- --host"&
 x-terminal-emulator -title "To Invetory BACK" -e "poetry run task server"
\ No newline at end of file
diff --git a/front/components/edit.vue b/front/components/edit.vue
index 13da419..700d218 100644
--- a/front/components/edit.vue
+++ b/front/components/edit.vue
@@ -36,20 +36,7 @@ const external_data = reactive<ExternalDataType>({
     categories: [],
     element: [],
 })
-
-const external_elements = reactive<any>({})
-const loadOneElement = async (id: string) => {
-    const data = await $fetch<ApiTypeExternal>(`${apiBase}/element/external/id/${id}`)
-    external_elements[id] = data.Description
-
-}
-const getExternalElementName = (id: string) => {
-    if (!external_elements[id]) {
-        loadOneElement(id)
-        return id
-    }
-    return external_elements[id]
-}
+const show_error = ref()
 
 const elements = ref(props.elements)
 const validate = (state: any): FormError[] => {
@@ -60,24 +47,37 @@ const validate = (state: any): FormError[] => {
         errors.push({ path: 'partner', message: txt })
     }
     if (!state.element_id) errors.push({ path: 'element_id', message: txt })
-    if (!state.element_additional_data) errors.push({ path: 'element_additional_data', message: txt })
+    // if (!state.element_additional_data) errors.push({ path: 'element_additional_data', message: txt })
     return errors
 }
 
 async function onSubmit(event: FormSubmitEvent<any>) {
+    show_error.value = undefined
     const prepader_data = event.data
     if (!external_data || !external_data.partner) {
         return false
     }
     prepader_data.partner_name = external_data.partner.find(el => el.Ref_Key == state.partner)?.Description
 
-    const data = await $fetch<ApiElementSave>(`${apiBase}/element/`, { method: 'POST', body: JSON.stringify(prepader_data) })
+    const data = await $fetch<ApiElementSave>(`${apiBase}/element/`, {
+        method: 'POST', body: JSON.stringify(prepader_data), onResponseError: (error) => {
+            if (error.response.status == 500) {
+                show_error.value = Object.entries(error.response._data).map(el => `${el[0]}: ${el[1]}`).join('\n')
+            }
+        }
+    })
     const inv_id = route.params.inv_id || data.inventory?.id
     if (!route.params.inv_id) {
         navigateTo(`/organization/p_${data.partner.id}/i_${data.inventory.id}`)
     } else {
         const newElements = await $fetch<ApiTypeList>(`${apiBase}/element?inventory_id=${inv_id}`, { headers })
         elements.value = newElements.results
+        external_data.element = []
+        external_data.categories = []
+        state.categories = []
+        state.element = undefined
+        state.element_id = undefined
+        state.element_additional_data = undefined
     }
 }
 
@@ -170,7 +170,7 @@ onMounted(async () => {
                         <UInput placeholder="ID" v-model="state.element_id" />
                     </UFormGroup>
                     <UFormGroup label="Дополнительные сведения" name="element_additional_data">
-                        <UTextarea placeholder="ID" v-model="state.element_additional_data" />
+                        <UTextarea placeholder="Дополнительные сведения" v-model="state.element_additional_data" />
                     </UFormGroup>
                 </div>
 
@@ -179,11 +179,14 @@ onMounted(async () => {
                 </UButton>
             </UForm>
         </div>
-        <div class="col-span-7">
+        <div class="col-span-7 flex flex-col gap-4">
             <h2>{{ external_data.partner?.find(el => el["Ref_Key"] == state.partner)?.Description }}</h2>
+            <UAlert v-if="show_error" title="Server error" :description="show_error" color="primary" />
             <dl v-if="elements?.length">
                 <template v-for="item in elements">
-                    <dt><Element :id="item.external_id"/></dt>
+                    <dt>
+                        <Element :id="item.external_id" />
+                    </dt>
                     <dd>{{ item.element_id }}</dd>
                     <dd>{{ item.additional_data }}</dd>
                 </template>
diff --git a/front/components/element.vue b/front/components/element.vue
index da4f90e..60c540f 100644
--- a/front/components/element.vue
+++ b/front/components/element.vue
@@ -28,7 +28,5 @@ watch(external_elements, () => {
 }, { deep: true })
 </script>
 <template>
-    <Suspense>
-        {{ name }}
-    </Suspense>
+    {{ name }}
 </template>
\ No newline at end of file