推荐接口优化

Author: rickons

src/Http/Controllers/Api/BlogController.php

@@ -287,6 +287,7 @@ public function recommendArticles(Request $request)
         $articles = Cache::remember(self::CACHE_KEY_ARTICLE_RECOMMEND, $expiresAt, function () use ($validated, $fields) {
             return BlogArticle::query()
                 ->where('status', 1) // 只推荐已发布文章
+                ->where('category_id', '>', 0) // 只推荐有分类的文章
                 ->when($validated['seo_url_key'] ?? false, function ($q) use ($validated) {
                     $q->where('seo_url_key', '!=', $validated['seo_url_key']); // 排除当前文章
                 })->when($validated['type'] === 'popular', function ($q) {