diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index fbad5606..55ebb3e7 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -1189,7 +1189,7 @@ module ApplicationHelper
     rescue Exception => e
       Rails.logger.error("post failed! #{e.message}")
       # 增加错误栈信息
-      e.backtrace.each { |msg| Rails.logger.error(msg) }
+      e.backtrace.each { |msg| Rails.logger.error("post_backtrace: #{msg}") }
       raise("实训云平台繁忙（繁忙等级：#{status}）")
     end
   end