diff --git a/app/Http/Controllers/DocumentController.php b/app/Http/Controllers/DocumentController.php
index 3227c2a..ae4ab8e 100644
--- a/app/Http/Controllers/DocumentController.php
+++ b/app/Http/Controllers/DocumentController.php
@@ -12,8 +12,12 @@ class DocumentController extends Controller
 {
     public function show(Document $document)
     {
-        header('Content-Disposition: filename="' . $document->name . '"');
-        return response()->file($document->path);
+        if (file_exists($document->path)) {
+            header('Content-Disposition: filename="' . $document->name . '"');
+            return response()->file($document->path);
+        }
+        
+        abort(404);
     }
 
     public function store(Request $request, Contract $contract)
@@ -24,7 +28,7 @@ class DocumentController extends Controller
             'name' => $file->getClientOriginalName(),
             'internal_name' => $internalName,
             'size' => $file->getSize(),
-            'extension' => $file->extension(),
+            'extension' => $file->extension() ?? '',
             'contract_id' => $contract->id,
         ]);
         $file->move(public_path("documents/contracts/{$contract->id}/"), $internalName);
diff --git a/app/Models/Document.php b/app/Models/Document.php
index 1543713..9ac6489 100644
--- a/app/Models/Document.php
+++ b/app/Models/Document.php
@@ -30,10 +30,15 @@ class Document extends Model
 
     public function getSizeAttribute($size)
     {
-        if ($size / 1024 / 1024 < 1) {
-            return (string)floor($size / 1024) . " KB";
+        if ($size / 1024 < 1) {
+            return $size . " B";
         }
-        return (string)floor($size / 1024 / 1024) . " MB";
+
+        if ($size / 1024 / 1024 < 1) {
+            return floor($size / 1024) . " KB";
+        }
+
+        return floor($size / 1024 / 1024) . " MB";
     }
 
     public function getLinkAttribute()
diff --git a/public/js/app.js b/public/js/app.js
index 2af4e95..01f545a 100644
--- a/public/js/app.js
+++ b/public/js/app.js
@@ -23120,7 +23120,7 @@ __webpack_require__.r(__webpack_exports__);
 /* harmony import */ var vue__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! vue */ "./node_modules/vue/dist/vue.esm-bundler.js");
 
 var _hoisted_1 = {
-  "class": "grid grid-cols-12 gap-12 w-full mb-10"
+  "class": "grid grid-cols-12 gap-12 w-full mb-8"
 };
 var _hoisted_2 = {
   "class": "col-span-6 xs:col-span-12"
@@ -29436,12 +29436,13 @@ function render(_ctx, _cache, $props, $setup, $data, $options) {
         , ["document"]);
       }), 128
       /* KEYED_FRAGMENT */
-      )), (0,vue__WEBPACK_IMPORTED_MODULE_0__.createVNode)(_component_document_upload, {
+      )), !$props.contract.deleted_at ? ((0,vue__WEBPACK_IMPORTED_MODULE_0__.openBlock)(), (0,vue__WEBPACK_IMPORTED_MODULE_0__.createBlock)(_component_document_upload, {
+        key: 0,
         contract: $props.contract,
         documents: $data.documents
       }, null, 8
       /* PROPS */
-      , ["contract", "documents"])])]), (0,vue__WEBPACK_IMPORTED_MODULE_0__.createVNode)("div", _hoisted_14, [_hoisted_15, (0,vue__WEBPACK_IMPORTED_MODULE_0__.createVNode)(_component_car_card, {
+      , ["contract", "documents"])) : (0,vue__WEBPACK_IMPORTED_MODULE_0__.createCommentVNode)("v-if", true)])]), (0,vue__WEBPACK_IMPORTED_MODULE_0__.createVNode)("div", _hoisted_14, [_hoisted_15, (0,vue__WEBPACK_IMPORTED_MODULE_0__.createVNode)(_component_car_card, {
         car: $props.contract.car
       }, null, 8
       /* PROPS */
diff --git a/resources/js/Components/ShowPage.vue b/resources/js/Components/ShowPage.vue
index 70a732f..f786609 100644
--- a/resources/js/Components/ShowPage.vue
+++ b/resources/js/Components/ShowPage.vue
@@ -3,7 +3,7 @@
         <template #header>
             <slot name="header"></slot>
         </template>
-        <div class="grid grid-cols-12 gap-12 w-full mb-10">
+        <div class="grid grid-cols-12 gap-12 w-full mb-8">
             <div class="col-span-6 xs:col-span-12">
                 <slot name="info"></slot>
             </div>
diff --git a/resources/js/Pages/Contracts/Show.vue b/resources/js/Pages/Contracts/Show.vue
index a39d3fe..c6576a3 100644
--- a/resources/js/Pages/Contracts/Show.vue
+++ b/resources/js/Pages/Contracts/Show.vue
@@ -48,7 +48,7 @@
                     <template v-for="document in documents" :key="document.id">
                         <document-item :document="document" />
                     </template>
-                    <document-upload :contract="contract" :documents="documents" />
+                    <document-upload v-if="!contract.deleted_at" :contract="contract" :documents="documents" />
                 </div>
             </div>
             <div class="col-span-6 xs:col-span-12">