diff --git a/app/Models/TrackerUrl.php b/app/Models/TrackerUrl.php
index 3edc6eec..9d5f7c4c 100644
--- a/app/Models/TrackerUrl.php
+++ b/app/Models/TrackerUrl.php
@@ -60,13 +60,36 @@ class TrackerUrl extends NexusModel
     public static function getById(int $trackerUrlId)
     {
         $redis = NexusDB::redis();
+        $notFoundFlagKey = "TRACKER_URL_NOT_FOUND:$trackerUrlId";
         if ($trackerUrlId == 0) {
-            return $redis->get(self::TRACKER_URL_DEFAULT_CACHE_KEY);
+            return self::getFromRedisWithRetry($redis, 'get', [self::TRACKER_URL_DEFAULT_CACHE_KEY], $notFoundFlagKey);
         }
-        $result = $redis->hget(self::TRACKER_URL_CACHE_KEY, $trackerUrlId);
-        if (!$result) {
-            $result = $redis->get(self::TRACKER_URL_DEFAULT_CACHE_KEY);
+        $result = self::getFromRedisWithRetry($redis, 'hGet', [self::TRACKER_URL_CACHE_KEY, $trackerUrlId], $notFoundFlagKey);
+        if ($result !== false) {
+            return $result;
         }
-        return $result;
+        do_log("No tracker url found for $trackerUrlId, try default", 'warning');
+        return self::getFromRedisWithRetry($redis, 'get', [self::TRACKER_URL_DEFAULT_CACHE_KEY], $notFoundFlagKey);
+    }
+
+    private static function getFromRedisWithRetry(\Redis $redis, string $command, array $params, string $notFoundFlagKey)
+    {
+        $result = call_user_func_array([$redis, $command], $params);
+        if ($result !== false) {
+            return $result;
+        }
+        //有不存在标记，不要再尝试，直接返回 false
+        if ($redis->exists($notFoundFlagKey)) {
+            return false;
+        }
+        self::saveUrlCache();
+        $result = call_user_func_array([$redis, $command], $params);
+        if ($result !== false) {
+            return $result;
+        }
+        //只从 db 拉取一次，仍然没有即标记不存在, 有效期 15 分钟
+        $redis->setex($notFoundFlagKey, 900, date("Y-m-d H:i:s"));
+        do_log(sprintf("redis command %s with args %s no result", $command, json_encode($params)), 'error');
+        return false;
     }
 }
diff --git a/include/constants.php b/include/constants.php
index 6eaaa414..9df6185c 100644
--- a/include/constants.php
+++ b/include/constants.php
@@ -1,6 +1,6 @@
 <?php
-defined('VERSION_NUMBER') || define('VERSION_NUMBER', '1.9.7');
-defined('RELEASE_DATE') || define('RELEASE_DATE', '2025-09-24');
+defined('VERSION_NUMBER') || define('VERSION_NUMBER', '1.9.8');
+defined('RELEASE_DATE') || define('RELEASE_DATE', '2025-10-01');
 defined('IN_TRACKER') || define('IN_TRACKER', false);
 defined('PROJECTNAME') || define("PROJECTNAME","NexusPHP");
 defined('NEXUSPHPURL') || define("NEXUSPHPURL","https://nexusphp.org");
diff --git a/public/magic.php b/public/magic.php
index 47e7f4ac..5199b883 100644
--- a/public/magic.php
+++ b/public/magic.php
@@ -17,9 +17,7 @@ if (!$arr) exit(json_encode(fail("Invalid torrent id!", $_POST)));
 
 $torrentowner = $arr['owner'];
 if($torrentowner == $userid) exit(json_encode(fail('You are giving magic to yourself.', $_POST)));
-$tsql = sql_query("SELECT COUNT(*) FROM magic WHERE torrentid=$torrentid and userid=$userid") or sqlerr(__FILE__,__LINE__);
-$trows = mysql_fetch_assoc($tsql);
-$t_ab = $trows[0];
+$t_ab = get_row_count("magic", "WHERE torrentid=$torrentid and userid=$userid");
 if ($t_ab != 0) exit(json_encode(fail("You already gave the magic value!", $_POST)));
 $todayStr = now()->startOfDay();
 $todayCount = \App\Models\Reward::query()
@@ -38,4 +36,5 @@ if (isset($userid) && isset($torrentid)&& isset($value)) {
     \App\Models\BonusLogs::add($CURUSER['id'], $CURUSER['seedbonus'], $value, $CURUSER['seedbonus'] - $value, "", \App\Models\BonusLogs::BUSINESS_TYPE_REWARD_TORRENT);
     KPS("+",$value,$torrentowner);//add to the owner
     \App\Models\BonusLogs::add($torrentOwnerInfo['id'], $torrentOwnerInfo['seedbonus'], $value, $torrentOwnerInfo['seedbonus'] + $value, "", \App\Models\BonusLogs::BUSINESS_TYPE_TORRENT_BE_REWARD);
+    exit(json_encode(success("OK", $_POST)));
 }