diff --git a/app/workers/submit_to_indexnow_worker.rb b/app/workers/submit_to_indexnow_worker.rb
index 5058866..d93dd67 100644
--- a/app/workers/submit_to_indexnow_worker.rb
+++ b/app/workers/submit_to_indexnow_worker.rb
@@ -28,7 +28,7 @@ class SubmitToIndexnowWorker
         Rails.application.routes.default_url_options[:host] = @host
 
         # 收集所有需要提交的 URLs
-        urls = collect_urls
+        urls = collect_urls(recently_updated)
 
         # 分批提交 URLs (每批最多 10000 个 URLs，符合 IndexNow 限制)
         urls.each_slice(100) do |url_batch|
@@ -50,7 +50,7 @@ class SubmitToIndexnowWorker
 
   private
 
-  def collect_urls
+  def collect_urls(recently_updated)
     urls = []
     available_locales = I18n.available_locales
 
@@ -73,7 +73,8 @@ class SubmitToIndexnowWorker
     end
 
     # 城市详情页
-    City.find_each do |city|
+    City.where("updated_at > ?", recently_updated).find_each do |city|
+      # City.find_each do |city|
       urls << "#{@host}/cities/#{city.id}"
       available_locales.each do |locale|
         urls << "#{@host}/#{locale}/cities/#{city.id}"
@@ -81,7 +82,8 @@ class SubmitToIndexnowWorker
     end
 
     # 天气艺术作品页
-    WeatherArt.includes(:city).find_each do |art|
+    WeatherArt.includes(:city).where("updated_at > ?", recently_updated).find_each do |art|
+      # WeatherArt.includes(:city).find_each do |art|
       if art.image.attached?
         urls << "#{@host}/cities/#{art.city.id}/weather_arts/#{art.id}"
         available_locales.each do |locale|