diff --git a/app/models/user_action.rb b/app/models/user_action.rb
index 0cd4e5b86..dd5dde4ac 100644
--- a/app/models/user_action.rb
+++ b/app/models/user_action.rb
@@ -61,6 +61,7 @@ class UserAction < ApplicationRecord
     when "DestroyUser" then "账号：#{user&.login}<br/>邮箱：#{user&.mail}<br/>手机号：#{user&.phone}<br/>昵称：#{user&.nickname}<br/>"
     when "DestroyProject" then "项目名称：#{project&.name}<br/>项目标识：#{project&.identifier}<br/>"
     when "DestroyOrganization" then "组织名称：#{organization&.nickname}<br/>组织标识：#{organization&.login}<br/>"
+    when "CompetitionInfoCreate", "CompetitionInfoUpdate", "CompetitionInfoUp", "CompetitionInfoDown"  then "竞赛名称：#{competition_info&.title}<br/>竞赛标识：#{competition_info&.identifier}<br/>"
     else "--"
     end
   end
@@ -92,6 +93,15 @@ class UserAction < ApplicationRecord
     action_organization
   end
 
+  def competition_info
+    competition_info = if action_type.include? "CompetitionInfo"
+                         CompetitionInfo.find_by(id: self.action_id)
+                       else
+                         nil
+                       end
+    competition_info
+  end
+
 
   def build_mode(model_name)
     model = model_name.constantize.new