初步完成

app/Http/Controllers/ArticleController.php

@@ -16,8 +16,10 @@ class ArticleController extends Controller
      */
     public function show(Article $article)
     {
-        $category = $article->category;
-        $parent   = getTopCate($category->id);
+        $parent = $category = $article->category;
+        if ($category->id) {
+            $parent = getTopCate($category->id);
+        }
 
         $next = Article::where('id', '>', $article->id)
                        ->where('category_id', $article->category_id)
@@ -36,6 +38,7 @@ class ArticleController extends Controller
                            ->when($title, function ($q) use ($title) {
                                $q->where('title', 'like', "%{$title}%");
                            })
+                           ->where('category_id', '>', 0)
                            ->paginate();
 
         return view('article.search', compact('articles'));

app/Http/Controllers/CategoryController.php

@@ -18,15 +18,23 @@ class CategoryController extends Controller
         if ($category->type == Category::TYPE_SHOW && $category->article_id) {
             return redirect("articles/" . $category->article_id);
         } else {
-            $articles = $category->relations(Category::TYPE_ARTICLE)->where('status', 1)->latest()->paginate(8);
-            $parent   = $category;
+            $template = 'show';
+            if ($category->template) {
+                $template = $category->template;
+            }
+            $articles = $category->relations(Category::TYPE_ARTICLE)
+                                 ->where('status', 1)
+                                 ->latest()
+                                 ->paginate(8);
+
+            $parent = $category;
             if ($category->childrens->isEmpty() && $category->parent) {
                 $parent = $category->parent;
             }
 
             $advert = Advert::where('category_id', 73)->first();
 
-            return view('category.show', compact('articles', 'category', 'parent', 'advert'));
+            return view('category.' . $template, compact('articles', 'category', 'parent', 'advert'));
         }
     }