diff --git a/app/workers/submit_to_indexnow_worker.rb b/app/workers/submit_to_indexnow_worker.rb
index 3da6d3c..090edb3 100644
--- a/app/workers/submit_to_indexnow_worker.rb
+++ b/app/workers/submit_to_indexnow_worker.rb
@@ -33,7 +33,7 @@ class SubmitToIndexnowWorker
 
         # 分批提交 URLs (每批最多 10000 个 URLs，符合 IndexNow 限制)
         urls.each_slice(100) do |url_batch|
-          submit_urls(url_batch)
+          submit_urls(url_batch, @host)
         end
 
         Rails.logger.info "Successfully submitted #{urls.size} URLs to IndexNow"
@@ -96,8 +96,9 @@ class SubmitToIndexnowWorker
     urls.uniq
   end
 
-  def submit_urls(urls)
+  def submit_urls(urls, host)
     return if urls.empty?
+    return if host.empty?
 
     # 随机选择一个 IndexNow 端点
     endpoint = INDEXNOW_ENDPOINTS.sample
@@ -106,6 +107,7 @@ class SubmitToIndexnowWorker
     data = {
       host: URI.parse(@host).host,
       key: INDEXNOW_KEY,
+      keyLocation: "#{host}/#{INDEXNOW_KEY}.txt",
       urlList: urls
     }