feat: 404 fix

app/Helpers/SiteCache.php

@@ -38,12 +38,21 @@ class SiteCache
 
             if (!empty($dist['appearance_id']))
             {
-                $dist['appearance'] = DistAppearance::getTemplateById($dist['appearance_id']);
-                $dist['publishList'] = DistAppearancePublishList::findByDistAndAppearance($dist['id'], $dist['appearance_id']);
-                $dist['template_name'] = $dist['appearance']['title'];
+                $appearance = DistAppearance::getTemplateById($dist['appearance_id']);
+                $publishList = DistAppearancePublishList::findByDistAndAppearance($dist['id'], $dist['appearance_id']);
+
+                if ($appearance && $publishList) {
+                    $dist['appearance'] = $appearance;
+                    $dist['publishList'] = $publishList;
+                    $dist['template_name'] = $appearance['title'];
+                } else {
+                    return null; // 如果 appearance 或 publishList 加载失败，返回 null
+                }
+            }
+            else
+            {
+                return null;
             }
-
-
 
             // 序列化存储
             return serialize($dist);