diff --git a/app/models/journal.rb b/app/models/journal.rb
index 30924437b..9a0624cf0 100644
--- a/app/models/journal.rb
+++ b/app/models/journal.rb
@@ -83,6 +83,7 @@ class Journal < ApplicationRecord
   end
 
   def pm_operate_category
+    detail = self.journal_details.take 
     if (detail.property == "requirement" || detail.property == "task" || detail.property == "bug") && detail.prop_key.to_s == "1"
       return "issue"
     else