diff --git a/beike/Admin/Http/Controllers/TaxClassController.php b/beike/Admin/Http/Controllers/TaxClassController.php
index ecb910aa..3527d76e 100644
--- a/beike/Admin/Http/Controllers/TaxClassController.php
+++ b/beike/Admin/Http/Controllers/TaxClassController.php
@@ -21,16 +21,9 @@ class TaxClassController extends Controller
     public function index()
     {
         $data = [
-            'tax_classes' => TaxClass::query()->with([
-                'taxRates.region',
-                'taxRules'
-            ])->get(),
+            'tax_classes' => TaxClassRepo::getList(),
             'all_tax_rates' => TaxRate::all(),
-            'bases' => [
-                'store',
-                'payment',
-                'shipping'
-            ]
+            'bases' => TaxClassRepo::BASE_TYPES,
         ];
 
         return view('admin::pages.tax_classes.index', $data);
diff --git a/beike/Admin/Repositories/TaxClassRepo.php b/beike/Admin/Repositories/TaxClassRepo.php
index 51e7de95..29dae57d 100644
--- a/beike/Admin/Repositories/TaxClassRepo.php
+++ b/beike/Admin/Repositories/TaxClassRepo.php
@@ -15,6 +15,16 @@ use Beike\Models\TaxClass;
 
 class TaxClassRepo
 {
+    const BASE_TYPES = ['store', 'payment', 'shipping'];
+
+    public static function getList()
+    {
+        return TaxClass::query()->with([
+            'taxRates.region',
+            'taxRules'
+        ])->get();
+    }
+
     public static function createOrUpdate($data)
     {
         $id = $data['id'] ?? 0;