diff --git a/README.md b/README.md
index 16fe25a..3cd377f 100644
--- a/README.md
+++ b/README.md
@@ -56,6 +56,7 @@ return [
         'model' => Email::class,
         'group' => null,
         'sort' => null,
+        'icon' => null,
         'default_sort_column' => 'created_at',
         'default_sort_direction' => 'desc',
         'datetime_format' => 'Y-m-d H:i:s',
diff --git a/config/filament-email.php b/config/filament-email.php
index 2d13d69..02af3d3 100644
--- a/config/filament-email.php
+++ b/config/filament-email.php
@@ -9,6 +9,7 @@
         'model' => Email::class,
         'group' => null,
         'sort' => null,
+        'icon' => null,
         'default_sort_column' => 'created_at',
         'default_sort_direction' => 'desc',
         'datetime_format' => 'Y-m-d H:i:s',
diff --git a/src/Filament/Resources/EmailResource.php b/src/Filament/Resources/EmailResource.php
index 8615ee3..a11a61c 100644
--- a/src/Filament/Resources/EmailResource.php
+++ b/src/Filament/Resources/EmailResource.php
@@ -29,11 +29,10 @@
 use RickDBCN\FilamentEmail\Filament\Resources\EmailResource\Pages\ViewEmail;
 use RickDBCN\FilamentEmail\Mail\ResendMail;
 use RickDBCN\FilamentEmail\Models\Email;
+use Illuminate\Contracts\Support\Htmlable;
 
 class EmailResource extends Resource
 {
-    protected static ?string $navigationIcon = 'heroicon-o-envelope';
-
     protected static ?string $slug = 'emails';
 
     public static function getBreadcrumb(): string
@@ -46,6 +45,11 @@ public static function getNavigationLabel(): string
         return config('filament-email.label') ?? __('filament-email::filament-email.navigation_label');
     }
 
+    public static function getNavigationIcon(): string | Htmlable | null
+    {
+        return config('filament-email.resource.icon') ?? 'heroicon-o-envelope';
+    }
+
     public static function getNavigationGroup(): ?string
     {
         return config('filament-email.resource.group') ?? __('filament-email::filament-email.navigation_group');