diff --git a/app/index/controller/Index.php b/app/index/controller/Index.php
index 118510d..7e133b9 100644
--- a/app/index/controller/Index.php
+++ b/app/index/controller/Index.php
@@ -50,15 +50,15 @@ class Index extends Common
 
                 $categorys_where = PostCategory::whereIn('category_id', $categorys);
 
-                $model_post = Post::hasWhere('categorys', $categorys_where)->where('status', 1)->order('id desc');
+                $model_post = Post::hasWhere('categorys', $categorys_where)->where('status', 1)->order('publish_time desc');
             } else {
                 $model_sub_category = Category::find($sub_category_id);
 
                 $page_title .= "-{$model_sub_category->title}";
-                $model_post = Post::hasWhere('categorys', ['category_id' => $sub_category_id])->where('status', 1)->order('id desc');
+                $model_post = Post::hasWhere('categorys', ['category_id' => $sub_category_id])->where('status', 1)->order('publish_time desc');
             }
         } else {
-            $model_post = Post::where('status', 1)->order('id desc');
+            $model_post = Post::where('status', 1)->order('publish_time desc');
         }
 
         $model_post->where('type', 3);