diff --git a/app/Services/Cron/FnSitePublish.php b/app/Services/Cron/FnSitePublish.php
index 2d21a27a..651bf806 100755
--- a/app/Services/Cron/FnSitePublish.php
+++ b/app/Services/Cron/FnSitePublish.php
@@ -16,11 +16,13 @@ use App\Services\Ship\ServiceShipHtml;
 
 final class FnSitePublish
 {
-    public static function fn_b()
+    public static function fn_b(?string $siteCode = null)
     {
         echo "\n\nFnSitePublish::fn_b()";
         
-        $oSites = ModelSiteMap::where("group_code", "fn_b")->get();
+        $query = ModelSiteMap::where("group_code", "fn_b");
+        if ($siteCode !== null) $query->where('code_short', $siteCode);
+        $oSites = $query->get();
         
         $oDate = Carbon::now();
         $sDateCN = $oDate->format('n月j日');