refactor: 修改产品分类列表接口

app/admin/controller/v1/ProductCategory.php

@@ -34,7 +34,7 @@ class ProductCategory
                 'name_nullable' => $params['keywords']??null
             ])
             ->where(function($query) use($params) {
-                if (!empty($params['is_show'])) {
+                if (isset($params['is_show'])) {
                     $query->where('is_show', '=', $params['is_show']);
                 }
             })

app/admin/route/v1.php

@@ -286,7 +286,7 @@ Route::group('v1', function () {
         });
 
         // 产品分类
-        Route::get('categorys', 'ProductCategory/index')->append(['is_show' => '1']);
+        Route::get('categorys', 'ProductCategory/index');
         Route::group('category', function () {
             // tco分类树
             Route::get('tco/tree', 'ProductTcoCategory/tree');