diff --git a/app/views/competition_infos/enroll_status.json.jbuilder b/app/views/competition_infos/enroll_status.json.jbuilder
index 6dec4733..82114654 100644
--- a/app/views/competition_infos/enroll_status.json.jbuilder
+++ b/app/views/competition_infos/enroll_status.json.jbuilder
@@ -2,14 +2,18 @@ json.status 0
 json.message "success"
 json.data do
   json.enroll_status @competition_user.present?
-  json.enroll_info do
-    json.extract! @competition_user, :org_name, :org_job, :org_rank, :leader, :zone, :sub_competition, :subject_source_type, :subject_source_name, :phone
-    json.user_id @competition_user.user_id
-    json.user_real_name @competition_user.user&.real_name
-    json.members @competition_user.members
+  if @competition_user.present?
+    json.enroll_info do
+      json.extract! @competition_user, :org_name, :org_job, :org_rank, :leader, :zone, :sub_competition, :subject_source_type, :subject_source_name, :phone
+      json.user_id @competition_user.user_id
+      json.user_real_name @competition_user.user&.real_name
+      json.members @competition_user.members
+    end
   end
   json.upload_status @competition_user.present? ? @competition_user.attachments.present? : false
-  json.attachments @competition_user.attachments do |attachment|
-    json.partial! "attachments/attachment_simple", locals: {attachment: attachment}
+  if @competition_user.attachments.present?
+    json.attachments @competition_user.attachments do |attachment|
+      json.partial! "attachments/attachment_simple", locals: {attachment: attachment}
+    end
   end
 end
\ No newline at end of file