diff --git a/app/models/user_action.rb b/app/models/user_action.rb
index 5bff3c192..9ddc9c507 100644
--- a/app/models/user_action.rb
+++ b/app/models/user_action.rb
@@ -67,11 +67,11 @@ class UserAction < ApplicationRecord
     when 'Attachment'
       issue = Issue.find_by_id(attachment.container_id)
       if attachment.container_type == "Issue" && issue&.issue_classify == "issue"
-        return "上传附件issue地址：<a href=\"#{Rails.application.config_for(:configuration)['platform_url']}/#{issue&.project&.owner&.login}/#{issue&.project&.identifier}/issues/#{issue&.project_issues_index}\">#{issue&.subject}</a>"
+        return "上传附件issue地址：<a href=\"#{Rails.application.config_for(:configuration)['platform_url']}/#{issue&.project&.owner&.login}/#{issue&.project&.identifier}/issues/#{issue&.project_issues_index}\" target=\"_blank\">#{issue&.subject}</a>"
       else
-        return "上传附件地址：<a href=\"#{Rails.application.config_for(:configuration)['platform_url']}/attachments/#{attachment.id}\">#{attachment.title}</a>"
+        return "上传附件地址：<a href=\"#{Rails.application.config_for(:configuration)['platform_url']}/attachments/#{attachment.id}\" target=\"_blank\">#{attachment.title}</a>"
       end
-    when "MemoPassed" then "<a href=\"#{Rails.application.config_for(:configuration)['platform_url']}/forumsDetail/#{db_memo&.id}\">#{db_memo&.subject}</a>"
+    when "MemoPassed" then "<a href=\"#{Rails.application.config_for(:configuration)['platform_url']}/forumsDetail/#{db_memo&.id}\" target=\"_blank\">#{db_memo&.subject}</a>"
     else "--"
     end
   end