diff --git a/app/Filament/Resources/TestingTempResource.php b/app/Filament/Resources/TestingTempResource.php
index 02de4cb..a655f51 100644
--- a/app/Filament/Resources/TestingTempResource.php
+++ b/app/Filament/Resources/TestingTempResource.php
@@ -22,7 +22,7 @@ class TestingTempResource extends Resource
 {
     protected static ?string $model = TestingTemp::class;
 
-    protected static ?string $navigationIcon = 'heroicon-o-rectangle-stack';
+    protected static ?string $navigationIcon = 'heroicon-c-circle-stack';
 
     protected static ?string $navigationGroup = 'IIOT Temp';
 
@@ -36,7 +36,7 @@ class TestingTempResource extends Resource
                     ->required()
                     ->searchable()
                     // ->preload()
-                    // ->nullable(),
+                    ->nullable()
                     ->reactive()
                     ->columnSpan(1)
                     ->options(function (callable $get) {
@@ -151,6 +151,7 @@ class TestingTempResource extends Resource
                 Forms\Components\Actions::make([
                     Action::make('uploadNow')
                         ->label('Upload File')
+                        ->icon('heroicon-c-cloud-arrow-up')
                         ->color('success')
                         ->requiresConfirmation(function (callable $get) {
                             $filePath = $get('attachment');
@@ -231,6 +232,7 @@ class TestingTempResource extends Resource
 
                     Action::make('downloadAttachment')
                         ->label('Download File')
+                        ->icon('heroicon-c-cloud-arrow-down')
                         ->color('warning')
                         ->requiresConfirmation(function (callable $get) {
                             $filePath = $get('selected_file');
@@ -281,6 +283,7 @@ class TestingTempResource extends Resource
 
                     Action::make('deleteAttachment')
                         ->label('Delete File')
+                        ->icon('heroicon-c-trash')
                         ->color('danger')
                         ->requiresConfirmation(function (callable $get) {
                             $filePath = $get('selected_file');