小调整

app/Http/Controllers/CategoryController.php

@@ -20,7 +20,7 @@ class CategoryController extends Controller
         } else {
             $articles = $category->relations(Category::TYPE_ARTICLE)->paginate(8);
             $parent   = $category;
-            if ($category->childrens->isEmpty() && $category->patent) {
+            if ($category->childrens->isEmpty() && $category->parent) {
                 $parent = $category->parent;
             }
 

app/Models/Category.php

@@ -74,4 +74,15 @@ class Category extends Model
         return $ids;
     }
 
+    public function getTop()
+    {
+        $parent = $this;
+
+        while ($parent->parent_id) {
+            $parent->parent;
+        }
+        
+        return $parent;
+    }
+
 }