From a5152dff4885ff9dc7b751e23e9b48e03f2e5c1e Mon Sep 17 00:00:00 2001
From: songchenxuan <songchenxuan@easycorp.ltd>
Date: Mon, 26 Jun 2023 13:19:46 +0800
Subject: [PATCH] * Story list response time reduced by 67%.

---
 module/story/model.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/module/story/model.php b/module/story/model.php
index 1a2f87bae7..0148c59f2d 100644
--- a/module/story/model.php
+++ b/module/story/model.php
@@ -4497,10 +4497,12 @@ class storyModel extends model
 
         global $app, $config;
         static $shadowProducts = array();
-        if(empty($shadowProducts[$story->product]))
+        static $hasShadow      = true;
+        if($hasShadow and empty($shadowProducts[$story->product]))
         {
             global $dbh;
             $stmt = $dbh->query('SELECT id FROM ' . TABLE_PRODUCT . " WHERE shadow = 1")->fetchAll();
+            if(empty($stmt)) $hasShadow = false;
             foreach($stmt as $row) $shadowProducts[$row->id] = $row->id;
         }