diff --git a/app/Console/Commands/AutoSaveExp.php b/app/Console/Commands/AutoSaveExp.php
index 0b2848d..dfee481 100644
--- a/app/Console/Commands/AutoSaveExp.php
+++ b/app/Console/Commands/AutoSaveExp.php
@@ -97,9 +97,9 @@ class AutoSaveExp extends Command
         $cursor  = '0';
 
         do {
-            [$cursor, $keys] = Redis::scan($cursor, ['match' => 'room:*:users', 'count' => 100]);
+            [$cursor, $keys] = Redis::scan($cursor, ['match' => '*room:*:users', 'count' => 100]);
             foreach ($keys ?? [] as $key) {
-                // 从 "room:123:users" 提取房间 ID
+                // 从 key 中提取房间 ID，支持带前缀的格式（如 chatroom-database-room:1:users）
                 if (preg_match('/room:(\d+):users/', $key, $m)) {
                     $roomId    = (int) $m[1];
                     $usernames = Redis::hkeys($key);