diff --git a/app/views/home/platform_communicates/index.json.jbuilder b/app/views/home/platform_communicates/index.json.jbuilder
index 8b779984..a7d3d390 100644
--- a/app/views/home/platform_communicates/index.json.jbuilder
+++ b/app/views/home/platform_communicates/index.json.jbuilder
@@ -3,6 +3,6 @@ json.communicates do
   json.array! @communicates.each do |communicate|
     json.(communicate, :id, :title, :content, :fake_id)
     json.tag communicate.tag_field.include?(',') ? communicate.tag_field.split(",") : communicate.tag_field
-    json.created_time format_time(Memo.find_by(id: communicate.fake_id)&.published_time)
+    json.created_time format_time(Memo.find_by(id: communicate.fake_id)&.published_at)
   end
 end
\ No newline at end of file